Alcatel USA 9928RT LMDS Terminal Station Transceiver User Manual

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Document ID	82275
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Document Description	User Manual
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Date Submitted	2000-01-19 00:00:00
Date Available	2000-03-30 00:00:00
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Document Lastmod	2000-01-07 13:19:58
Document Title	User Manual

All rights reserved. Passing on and copying of this
document, use and communication of its contents
not permitted without written authorization from ALCATEL
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
Alcatel 9900
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
Multiservice broadband
wireless access solution
Terminal Station – release 2.0
USER MANUAL
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Issue 02 - January 04, 2000
3CC11095AAAA TQ BJA 02
All rights reserved. Passing on and copying of this
document, use and communication of its contents
not permitted without written authorization from ALCATEL
All rights reserved. Passing on and copying of this
document, use and communication of its contents
not permitted without written authorization from ALCATEL
Table of contents
1 – Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 – Structure of the manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 – Using the manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 – Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.1 – General rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.2 – Symbols on products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.3 – Symbols used in the document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 – Equipment overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 – Overview of the A9900 system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 – Composition of the A9900 system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
2.3 – A9900 system specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.1 – Frequency bands used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.2 – Radio transmission specifications (typical values) . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.3 – Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
11
11
12
2.4 – Description of the Terminal Station (9900TS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15
2.5 – Examples of configuration of the Terminal Station (9900TS) . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.1 – Mono “NT” without repeater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.2 – Mono “NT” with repeater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.3 – Multi “NT” (max.4) with passive splitters and repeaters . . . . . . . . . . . . . . . . . . . . . .
15
15
15
16
2.6 – Technical specifications of the Terminal Station (9900TS) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6.1 – RT specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6.2 – NT specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17
17
17
3 – Installation of the 9900TS Terminal Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
3.1 – Equipment delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1.1 – Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1.2 – Checking the configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
19
20
3.2 – Labels on the equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21
3.3 – Installing the equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.1 – Information required for installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.2 – Precautions concerning electromagnetic compatibility . . . . . . . . . . . . . . . . . . . . . . .
3.3.3 – Tools required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
22
22
22
3.4 – Installation of the Terminal Station RT unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4.1 – Definition of assemblies with respect to chosen polarization . . . . . . . . . . . . . . . . . .
3.4.2 – Installation of the 9900RT on a wall or flat vertical surface . . . . . . . . . . . . . . . . . . .
3.4.3 – Installation of the RT unit on a tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4.4 – Grounding the RT unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23
23
26
28
31
3.5 – Installation of the RT/NT link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32
3.6 – Installation of the Terminal Station 9900NT Indoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.6.1 – Installation of the 9900NT unit on a desktop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.6.2 – Installation of the NT unit on a vertical wall support . . . . . . . . . . . . . . . . . . . . . . . . .
34
34
35
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36
3.7 – Installation of one or more repeater modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
37
3.8 – Installation of one or several repeaters with passive splitter(s) . . . . . . . . . . . . . . . . . . . . . . . .
39
4 – Commissioning the 9900TS Terminal Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45
4.1 – Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45
4.2 – Commissioning the RT unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2.1 – Equipment required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2.2 – Site configuration and adjustment procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45
45
47
4.3 – Commissioning the NT IDU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
51
4.4 – Client terminal connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4.1 – Ethernet connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4.2 – G703 connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4.3 – X21 connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
52
52
52
53
5 – Operation and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
55
5.1 – Network supervision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
55
5.2 – Preventive maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
55
5.3 – Corrective maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3.1 – Methodology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3.2 – Use of 9900LT software programs for alarm localisation . . . . . . . . . . . . . . . . . . . . .
55
55
55
5.4 – Changing the NT unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
56
5.5 – Changing the RT unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
56
6 – Changes of configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
57
6.1 – Use of NT unit supervision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
57
6.2 – Declaration, deletion, reset of an NT unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
57
6.3 – Implementation of customer services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
57
6.4 – Changing an RT unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
58
6.5 – Changing the BS on an NT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
58
Appendix 1 – 9900 TS INSTALLATION SHEET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
59
Appendix 2 – Using the DALLET[ system by SOFRER] for 1 m & 1.5 m high mast on rooftop
61
Appendix 3 – Mounting coaxial connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
63
Appendix 4 – List of abbreviations/Liste des abréviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
67
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3.6.3 – Installation of the NT unit on a 19” rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.6.4 – Grounding the NT unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
All rights reserved. Passing on and copying of this
document, use and communication of its contents
not permitted without written authorization from ALCATEL
1 – Foreword
1.1
– Structure of the manual
This manual is for users with a sound knowledge of how to operate and install point–multipoint microwave
systems and how to use a PC-based craft terminal running the Windowst operating system. With it, you
should quickly be able to operate the equipment. It is not intended to replace the training services that we can
provide for your particular needs.
The manual is divided into seven sections followed by appendixes:
1.2
–
Foreword
–
Description of the equipment
–
Installation of the equipment
–
Servicing
–
Maintenance
–
Upgrading configurations
–
Appendixes
– Using the manual
With this manual, you should be able to commission and operate the described equipment to a basic level.
You should always read this manual in conjunction with the attached “Update” document (if provided) so that
you are aware of the latest equipment upgrades.
Manual updates
This edition of the manual describes hardware and software releases of the following revision indexes and
above:
Hardware revision: 01
In cases where an equipment upgrade affects the content of the manual, the relevant modification should be
inserted in the “Update” document, with the same reference number, but with code type VE (instead of TQ).
When the number or extent of the changes justifies it, they should be incorporated in the body of the manual
and the manual’s revision index should be incremented. Revision bars will show the differences from the
previous version.
Note: MS-DOS, MICROSOFT and WINDOWS are registered trademarks of Microsoft Corporation.
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– Safety instructions
1.3.1 – General rules
The following general safety precautions must be observed by the installer and the operator. ALCATEL
assumes no liability for the customer’s failure to comply with these requirements.
Ground the equipment:
For Safety Class 1 equipment, always connect the earth conductor of the power cable to an appropriate earthing
device.
DO NOT operate the product in an explosive atmosphere or in presence of flammable gases or fumes.
For protection against fire:
replace the line fuse(s) only with fuse(s) of the same voltage and current rating and type.
Dangerous voltages:
Users must not remove equipment covers or shields. The installation and maintenance procedures described
in this manual are for use by service–trained personnel only.
DO NOT operate equipment which may be damaged:
Whenever it is possible that the safety protection features built into this equipment have been impaired,
ISOLATE FROM THE POWER SUPPLY and do not use the equipment until safe operation can be verified by
service–trained personnel. If necessary, return the equipment to Alcatel After Sales for service and repair.
DO NOT substitute parts or modify equipment:
Return the product to Alcatel Customer Service for servicing and repair.
1.3.2 – Symbols on products
1.3.2.1 – Danger symbols
When subsystems and modules have warning labels, it is extremely important to follow their instructions.
These labels are designed to indicate dangerous situations; they may contain any standard symbol or any text
considered necessary to protect users and employees.
The most frequent danger situations and symbols are:
Danger or general warning
Prompts the user to refer to the manual.
Dangerous electrical voltages
Close to dangerous voltages (>42.4 V AC peak, 60 V DC; power level > 240 VA) you will find
this warning label
Presence of heat-radiating mechanical parts
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1.3
1.3.2.2 – Earth symbols
All rights reserved. Passing on and copying of this
document, use and communication of its contents
not permitted without written authorization from ALCATEL
Terminal for connecting the protective earth conductor in power supply wiring
Other earth terminal
1.3.2.3 – Other symbols
Indicates compliance with European standards
1.3.3 – Symbols used in the document
These symbols alert the reader the possible risks. They indicate:
–
the cause and type of danger,
–
the possible consequences,
–
the preventive action.
1.3.3.1 – Warning
–
protection of personnel,
–
warning of a possible dangerous situation,
–
danger of fatal or serious injury.
–
protection of equipment,
–
warning of a procedure, practice or condition that could be dangerous to
equipment or its environment,
–
danger of damage to the equipment or its environment; permanent loss of data
possible.
–
This symbol, introducing the description of a procedure, indicates that it will
cause the link to be temporarily disconnected.
–
This symbol, introducing the description of a procedure, indicates that it cannot
be continued without a full knowledge of the data contained in the procedure
sheet concerning the stations concerned.
1.3.3.2 – Precautions
STOP
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document, use and communication of its contents
not permitted without written authorization from ALCATEL
2 – Equipment overview
2.1
– Overview of the A9900 system
The Alcatel 9900 is a multi–service broadband wireless local loop system designed to provide telecom
services to small and medium–sized enterprises.
Broad band WLL (Wireless Local Loop) system, Alcatel 9900 allows operators to offer rapid provision – to a
large number of client sites – of a comprehensive range of telephone and data transmission services.
For cellular phone network operators, Alcatel 9900 offers the possibility of linking base stations to base
station controllers. This makes Alcatel 9900 an economical transmission solution, for the implementation or
extension of high traffic density areas coverage.
For mixed network operators (fixed and mobile), Alcatel 9900 enables to connect, with the same system, fixed
professional end user as well as base stations of cellular telephony.
Company A
SME
Company B
Independant profession
Independant profession
Company C
Company D
Figure 1 – A9900 System – Local point–multipoint service distribution –
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– Composition of the A9900 system
An A9900 network cell consists of the following:
a common base station designated 9900BS;
and several terminal stations distributed across the user sites, and designated 9900TS.
“Radio Base Station”
RBS
“Terminal Stations”
nx9900TS
“Digital Base Station”
DBS
9900BS
Figure 2 – Base Station and Terminal Stations
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2.2
All rights reserved. Passing on and copying of this
document, use and communication of its contents
not permitted without written authorization from ALCATEL
2.3
– A9900 system specifications
2.3.1 – Frequency bands used
25 GHz frequency band:
– CEPT T/R 13–02E European recommendation 24.5 – 26.5 GHz
26 GHz frequency band:
– MPT (Japan) 25.25 – 27 GHz
28 GHz frequency band:
– 27 GHz (LMCS – Canada)
27.35 – 28.35
–
28 GHz (CEPT)
27.5 – 28.6,
29.1 – 29.5
–
29 GHz (LMD – USA)
27.5 – 28.35,
29.10 – 29.25
2.3.2 – Radio transmission specifications (typical values)
The following table gives the main characteristics of the A9900 wireless system.
A downstream (BS to TS)carrier is combined with up to four upstream (TS to BS) carriers.
Downstream
Channel bandwidth
14 MHz
28 MHz
13.63 MHz
27.25 MHz
Modulation
QPSK
QPSK
Cross bit rate
20.19 Mbit/s
40.37 Mbit/s
Code
Convol. 7/8 (k=7)
Convol. 7/8 (k=7)
Interlace
depth 12
depth 12
Code
Reed–Solomon
(204,188,8)
Reed–Solomon
(204,188,8)
Bit rate before coding
16.19 Mbit/s
32.38 Mbit/s
Occupied bandwidth
Link budget
25 GHz
28 GHz
25 GHz
28 GHz
RBS output power
17 dBm
17 dBm
17 dBm
17 dBm
Transmit antenna gain
15 dB
15 dB
15 dB
15 dB
Receive antenna gain
35 dB
34.5 dB
35 dB
34.5 dB
Rx RF level for error ratio = 10–10
– 83.5 dBm
– 83.5 dBm
– 80.5 dBm
– 80.5 dBm
System gain
150.5 dB
150 dB
147.5 dB
147 dB
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Upstream
Channel bandwidth
3.5 MHz
7 MHz
3.36 MHz
6.72 MHz
Modulation
D–QPSK
D–QPSK
Cross bit rate
5.38 Mbit/s
10.75 Mbit/s
Code
Convol. 7/8 (k=7)
Convol. 7/8 (k=7)
Interface
depth 12
depth 12
Code
Reed–Solomon
(63,53,5)
Reed–Solomon
(63,53,5)
Bit rate before coding
4.19 Mbit/s
8.38 Mbit/s
Occupied bandwidth
Link budget
25 GHz
28 GHz
25 GHz
28 GHz
RBS output power
12 dBm
12 dBm
12 dBm
12 dBm
Transmit antenna gain
35 dB
34.5 dB
35 dB
34.5 dB
15 dB
15 dB
15 dB
15 dB
– 87 dBm
– 87 dBm
– 84 dBm
– 84 dBm
149 dB
148.5 dB
146 dB
145.5 dB
Receive antenna gain
Rx RF level for error ratio =
System gain
10–10
2.3.3 – Capacity
The network capacity depends on the traffic mix betwen the services and leased lines or telephony services.
It also depends on the channeling and the number of upstream channels.
The following tables give the characteristics of three combinations: minimum, medium and maximum circuit
throughput; however, any intermediate combination is possible.
28 / 7 MHz channeling:
Downlink: 28 MHz
Uplink: 1 x 7 MHz
Trafic MIX: circuit capacity
Minimum
Medium
Maximum
60
121
ATM uplink capacity (cells/s)
18,980
9,569
ATM downlink capacity (cells/s)*
76,141
67,084
57,877
nb of circuits: 64 kbit/s
Downlink : 28 MHz
Uplink : 2 x 7 MHz
Trafic MIX: circuit capacity
Minimum
Medium
Maximum
120
242
ATM uplink capacity (cells/s)
37,961
19,137
ATM downlink capacity (cells/s)*
76,141
58,028
39,613
nb of circuits: 64 kbit/s
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3CC11095AAAA TQ BJA 02
All rights reserved. Passing on and copying of this
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Downlink : 28 MHz
Uplink : 3 x 7 MHz
Trafic MIX: circuit capacity
Minimum
Medium
Maximum
180
363
ATM uplink capacity (cells/s)
56,941
28,706
ATM downlink capacity (cells/s)*
76,141
48,971
21,349
nb of circuits: 64 kbit/s
Downlink : 28 MHz
Uplink : 4 x 7 MHz
Trafic MIX: circuit capacity
Minimum
Medium
Maximum
240
484
ATM uplink capacity (cells/s)
75,922
38,275
ATM downlink capacity (cells/s)*
76,141
39,915
3,084
nb of circuits: 64 kbit/s
14/3.5 MHz channeling:
Downlink: 14 MHz
Uplink: 1 x 3.5 MHz
Trafic MIX: circuit capacity
Minimum
Medium
Maximum
30
60
ATM uplink capacity (cells/s)
9,412
4,706
ATM downlink capacity (cells/s)*
38,047
33,519
28,990
nb of circuits: 64 kbit/s
Trafic MIX: circuit capacity
Downlink : 14 MHz
Uplink : 2 x 3,5 MHz
Minimum
Medium
Maximum
nb of circuits: 64 kbit/s
60
120
ATM uplink capacity (cells/s)
18,824
9,412
ATM downlink capacity (cells/s)*
38,047
28,990
19,934
Trafic MIX: circuit capacity
Downlink : 14 MHz
Uplink : 3 x 3,5 MHz
Minimum
Medium
Maximum
nb of circuits: 64 kbit/s
90
180
ATM uplink capacity (cells/s)
28,235
14,118
ATM downlink capacity (cells/s)*
38,047
24,462
10,877
Trafic MIX: circuit capacity
Downlink : 14 MHz
Uplink : 4 x 3,5 MHz
Minimum
Medium
Maximum
nb of circuits: 64 kbit/s
120
240
ATM uplink capacity (cells/s)
37,647
18,824
ATM downlink capacity (cells/s)*
38,047
19,934
1,821
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–
2.5 % of the bit rate , if one upstream channel is used,
–
4 % of the bit rate , if two upstream channels are used,
–
5.5 % of the bit rate , if three upstream channels are used,
–
7 % of the bit rate , if four upstream channels are used.
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* : part of the ATM downlink bit rate can be used for dynamic bandwidth allocation. This proportion varies within
the following limits:
3CC11095AAAA TQ BJA 02
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2.4
– Description of the Terminal Station (9900TS)
The A9900 system Terminal Station (9900TS) consists of the following main elements:
2.5
an external transceiver constituting the radio antenna part and designated “RT” (Radio
Termination);
a user connection unit constituting the “indoor” part and designated NT (Network Termination);
a cable linking the RT and NT and called the indoor–outdoor cable;
depending on the configurations (see sections 2.5 3.7 3.8), one (or more) repeater module(s), or
(and) one (or more) splitter module(s).
– Examples of configuration of the Terminal Station (9900TS)
2.5.1 – Mono “NT” without repeater
0 to 70 m
RT
NT
2.5.2 – Mono “NT” with repeater
repeater
RT
0 to 70 m
repeater
Fixed lenght:
70 m
NT
Fixed lenght:
70 m
A repeater compensates 70 meters of cable.
The system can support maximum three 70 m cable sections and two repeaters.
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2.5.3 – Multi “NT” (max.4) with passive splitters and repeaters
RT
0 to 70 meters
Fixed lenght
50 meters
Fixed lenght
50 mèters
repeater
splitter
Fixed lenght
70 meters
repeater
NT
NT1
repeater
splitter
Fixed lenght
50 meters
Fixed lenght
50 meters
NT2
NT3
Figure 3 – Example of assembly with passive splitters and repeaters
The system can support 2 repeaters and 3 passive splitters per route. Route means the path between a NT
unit and the RT unit.
The fixed distance between two repeaters or between a repeater and a NT unit is 50 meters if a passive splitter
is used.
The fixed distance between two repeaters or between a repeater and a NT unit is 30 meters if two passive
splitters are used.
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2.6
– Technical specifications of the Terminal Station (9900TS)
2.6.1 – RT specifications
Designation
Description
Observations
Dimensions HxLxD
200(mm)x200(mm)x50(mm)
antenna diameter: 26 cm
cf. diagram
in § 3 Installation
Weight
2 kg

Operating temperature
–33°C to + 55°C

2.6.2 – NT specifications
There are three types of NT unit:
9900 NCA 001
9900 NCA 002
9900 NCD 001
Telephony, leased lines
2 x E1 (G703+G703)
2 x E1 (G703 + X21)

Data
2 x 10bT Eth
2 x 10bT Eth
2 x 10bT Eth
Designation
Description
Observations
Dimensions WxHxD
19”x1Ux240(mm)
cf. diagram
in § 3 Installation
Weight
3 kg

Supply voltage
85V–264V AC

Data interface
10 Base T Ethernet

E1 interface
G703 and/or X21

Operating temperature
–5°C to + 45°C

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All rights reserved. Passing on and copying of this
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not permitted without written authorization from ALCATEL
3 – Installation of the 9900TS Terminal Station
3.1
– Equipment delivery
When you receive the equipment in its packaging:
–
Check the condition of the packaging.
–
If damaged, make your reservations known to the carrier without delay.
3.1.1 – Unpacking
Considerations
–
Unpack the equipment according to the instructions on the packaging.
–
Take an inventory and identify any missing items. If the delivery does not match the delivery advice note,
notify ALCATEL within 48 hours of receipt of the equipment.
Stages (Figure 4)
1.
Open the cover flap of the package lid.
2.
Remove the cardboard packing wedge protecting the box’s contents.
3.
Remove the RT unit, taking care not to damage the antenna.
4.
Remove the slotted casing from the box.
5.
Remove the packaged items fixed in the slots of the casing.
6.
Detach the drilling template if wall–mounting is to take place.
wall mount
bearing mount
radio unit
and antenna
polarisation kit
“N” connector and
attachment hardware
mounting kit
User manual
Figure 4 – Unpaking the RT unit
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Figure 5 – Unpacking the NT unit
The NT unit equipment is protected by safety cover. Do not unpack the equipment in advance if it is not to be
installed immediately.
3.1.2 – Checking the configuration
The Terminal Station components are delivered in cardboard boxes:
–
the RT unit (also called RT or RT radio) and its installation accessories are in one box,
–
the NT unit (also called NT) and its installation accessories are in another box,
Depending on the site configurations, the delivery will include individual boxes containing:
–
one or more splitter modules,
–
one or more repeater modules.
3.1.2.1 – Content of boxes
EQUIPMENT
RT UNIT
CONTENTS
1 RTwith antenna mounted assembly
1 wall mount
1 bearing mount
1 horizontal polarisation kit with screw accessories
2 U bolts
1 bag containing 1 type “N” 75 ohm connector four M6x50 screws with washers and
plugs; four M8 nuts with washers, 2 terminal lugs and one M6x20 screw with washers
1 installation manual
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CONTENTS
EQUIPMENT
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NT UNIT
1 Indoor Unit
1 power supply cable
1 installation kit containing feet, bracket mouting, handles, attachment accessories and
1 “F” connector
EQUIPMENT
Splitter kit
CONTENTS
1 splitter module
1 bag containing screw accessories
EQUIPEMENT
Repeater kit
CONTENTS
1 repeater module
1 bag containing screw accessories
3.1.2.2 – Specific case of RT units delevered without integrated antenna
IMPORTANT NOTE: NEVER REMOVE THE ROUND YELLOW PADS USED TO SEAL
THE OUTDOOR SYSTEM.
3.1.2.3 – Storage
If installation is to be deferred, the type of packaging will define the equipment storage conditions:
– cardboard boxes should be warehoused indoors, in a well–ventilated and dry room ,
–
3.2
wooden or plywood boxes may be stored outdoors, provided that they are protected from rain and direct
sunlight.
– Labels on the equipment
The labels below are affixed to the equipment and their cardboard boxes to indicate the contents.
Issue date
RT unit model / status index
Serial number
Commercial reference
RT unit model
bar code and plain text
Serial number
bar code and plain text
Figure 6 – Packaging of the RT unit
3CC11095AAAA TQ BJA 02
Figure 7 – Packaging of the NT unit
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– Installing the equipment
It is recommended that all peripheral equipment (e.g., repeaters, splitters) as well as the engineering
accessories should be installed before installation of the Terminal Station.
3.3.1 – Information required for installation
Appendix 1 contains a sheet for you to complete to collate all the general information needed for the installation
procedure.
3.3.2 – Precautions concerning electromagnetic compatibility
Installation is designed to meet all new requirements concerning electromagnetic compatibility and safety
The performance of the equipment depends on installation practices (cable installation, ground connections,
etc.) which should be based on best trade practices and which may be degraded if this pratices are not
respected.
3.3.3 – Tools required
The installation personnel must possess a standard installation toolkit (containing, in particular: drill, drill bits,
soldering iron, cable tie pliers, terminal pliers).
The list of tools required for the mechanical installation of the Terminal Station is given below.
Use
Tool
5 mm Allen key (for M6 screw)
For securing the pole mounting and wall mounting
13 wrench
For tightening the U bolts on the 40 to 50 mm tube
Level gauge or inclinometer
For verticaly of the bearing axis
A compass and a pair of binoculars (not supplied) are useful for rough prepointing of the antenna.
The use of a torque wrench is recommended.
Figure 7 – Inclinometer
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3.3
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3.4
– Installation of the Terminal Station RT unit
IMPORTANT NOTE: NEVER HANDLE THE RT UNIT BY ITS ANTENNA BUT BY THE
BODY OF THE RADIO OR THE SUPPORT ARM.
Considerations:
The installation of the RT unit should satisfy the following criteria:
–
unimpeded direct line of sight between RT unit and RBS (Base Station),
–
perfect mechanical rigidity,
–
enabling precise antenna alignment.
The 9900RT is designed for outdoor installation without any particular protection. However, the following
recommendations should be respected:
–
avoid installation below bird nesting areas,
–
avoid attaching to a surface prone to vibrations (machinery, lift housing, air conditioning, etc.).
–
avoid attaching to chimneys which give off fat deposits, dust and other aerosols which are liable to come
to rest on the equipment,
–
avoid proximity to sources of heat,
–
avoid placing the equipment in proximity to corrosive gas outputs,
–
avoid placing the equipment below roof run–offs not equipped with guttering (high risk of microwave
short–circuit).
–
avoid installing at man–height to prevent human collisions against the antenna. This could cut the radio
link with the central station.
Two types of assembly are possible:
–
on a flat, vertical surface (e.g., a wall),
–
on a pole/tube (existing or to be installed), using threaded U–bolts and nuts (M8).
Note : The pole/tube selected should be sufficiently rigid to prevent antenna misalignment and resist
vibrations.
Use tube supports that comply with our recommendations. Support references are mentionned in the
next chapters.
3.4.1 – Definition of assemblies with respect to chosen polarization
The Terminal Station RT unit can be mounted with horizontal (H) or vertical (V) polarization.
Terminal Station and Base Station must use the same polarization.
To mount the radio/antenna assembly on the support arm, in the event of horizontal polarization, the horizontal
polarization kit must be used. This consists of an additional joint to compensate for the mechanical rotation of
the system.
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–
–
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not permitted without written authorization from ALCATEL
The pole–mounting mechanical assembly consists of (Figure 8):
two components in the case of vertical polarization (V):
wall mounting (ref.1)
bearing mounting (ref.2),
three components in the case of horizontal polarization (H):
wall mounting (ref.1)
bearing mounting (ref.2)
polarisation mounting (ref.3).
bearing mount
horizontal polarization mount
wall mount
Figure 8 – Support arm components
A polarization slot indicator at the rear of the RT unit can be checked to confirm that the assembly is correct
with respect to the chosen polarization:
–
if the letter “H” can be read naturally, polarization is horizontal,
–
if the letter “V” can be read naturally, polarization is vertical,
Vertical axis
Figure 9 – Vertical Polarization
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All rights reserved. Passing on and copying of this
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Vertical axis
Figure 10 – Horizontal polarization
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Considerations:
–
If attaching the RT unit using bolts and plugs, select the attachment components to suit the composition
of the attachment surface.
–
The surface chosen should not be prone to vibrations (e.g., avoid machine housings).
–
To mark the drill holes, use the drilling template printed on the inside panel of the RT unit packaging
box.
Figure 11 – Installation of the RT unit on a wall
Stages
1.
Select the installation location and determine the polarization of the RT unit.
2.
Place the drilling template against the wall (or surface) to be pierced.
Note : The vertical axis of the wall mounting assembly must be respected. Refer to Figure 12.
Used a bubble level or inclinometer.
3.
Drill the 4 holes.
4.
Insert the 4 plugs.
5.
Install and secure the wall mounting (V et H polarization) using four M6x50 screws with washers.
Note : screw torque = 4,3 to 4,9m.N.
IMPORTANT : WALL MOUNT VERTICALITY OF +/– 1° REQUIRED FOR POLARIZATION
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3.4.2 – Installation of the 9900RT on a wall or flat vertical surface
69 mm
71.5 mm
56 mm
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The vertical axis of the wall mounting assembly
must be respected.
56 mm
Use elongated holes dia. 6.5mm for wall mounting
Use holes dia. 10mm for 50mm tube mounting (U–bolts and
(plugs and M6 screws with washers).
M8 nuts)
Figure 12 –Wall mounting
6.
Install and secure the bearing mounting on the wall mounting (V and H polarization).
this screw is installed on site
this screw is installed on site
Figure 13 – Screws mounting
To continue the hardware installation, go to step 7 in the case of horizonal polarization or go directly to
step 8 for vertical polarization.
7.
Install and secure the polarization mounting (H polarization only).
8.
Install and secure the RT unit on the support arm. Check on polarization indicator that the polarization
assembly is correct.
9.
Release the RT assembly locking screw and carry out antenna prepointing visually and/or using a compass
and a map. To do this, orientate the assembly so that the antenna is pointed towards the Base Station
antenna.
10. Remove the radio module from its axis for configuration (see Chapter 4 – Commissioning)
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Considerations
– Install on tube using two U–bolts.
–
Installation may be carried out on a newly installed or existing tube, using the two U–bolts.
–
The external diameter of the tube is 50 mm in standard configuration.
–
The support tube, along with the U–bolts, must be clean and (apart from threads) grease–free.
–
If specific site features make perfect alignment impossible (line of sight parallel to the wall, for example).
you are recommended to use a support that complies with our specifications (see references) in the
paragraphs which follow.
IMPORTANT : WALL MOUNT VERTICALITY OF +/– 1° REQUIRED FOR POLARIZATION
IMPORTANT NOTE: THE USE OF SUPPORTS WITH A SLENDERNESS RATIO
GREATER THAN OUR MODELS SHOULD BE EXCLUDED (TOO FLEXIBLE)
Note : the use of supports with slenderness ratios inferior to our own is authorized (more rigid).
Note : slenderness ratio = length / cross–section of sections used.
Steps
1.
Select the installation location and determine the polarization of the RT.
2.
Install and secure the wall mounting (V et H polarization) using the two U–bolts (and nuts and washers)
provided for this purpose or the attachment hardware delivered with the specific wall mount.
Note : screw torque = 10.5 to 12 m.N.
Note : The vertical axis of the wall mounting assembly must be respected.
3.
Install and secure the bearing mounting on the wall mounting (V and H polarization), See Figure 8.
To continue the hardware installation, go to step 4 in the case of horizontal polarization or go directly to step
5 for vertical polarization.
4.
Install and secure the polarization mounting (H polarization only).
5.
Install and secure the RT radio unit with its antenna on the support arm. Check the polarization indicator
to check correct polarization.
6.
Release the RT assembly locking screw and carry out antenna prepointing visually and/or using a compass
and a map. To do this, orientate the assembly so that the antenna is pointed towards the Base Station
antenna.
7.
remove the radio module from its axis for configuration (See Chapter 4 – Commissioning)
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3.4.3 – Installation of the RT unit on a tube
All rights reserved. Passing on and copying of this
document, use and communication of its contents
not permitted without written authorization from ALCATEL
3.4.3.1 – Installing th RT unit on an existing tube, 40 or 50 mm in diameter
Figure 14 – Installing th RT unit on an existing tube, 40 or 50 mm in diameter
3.4.3.2 – Installing the RT unit on an existing tube, 50 to 115 mm in diameter
Use the 3CC10802 AAAA kit.
Kit 3CC10802AAAA
Figure 15 – Installing the RT on a tube, 50 to 115 mm in diameter
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3.4.3.3 – Façade installation of the RT unit
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Use a support in accordance with our 3CC11132AAAA model.
3.4.3.4 – Rooftop mounting of the RT unit (offset), 1 meter mast
Use a support in accordance with our 3CC11133AAAA model.
fixation detail
Figure 16 – Rooftop mounting of the RT unit (offset), 1 meter mast
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3.4.3.5 – Rooftop mounting of the RT unit (raised), 1,5 meter mast
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Use a support in accordance with our 3CC11134AAAA model.
Figure 17 – Rooftop mounting of the RT unit (raised), 1.5 meter mast
3.4.4 – Grounding the RT unit
Considerations
–
On the RT unit, the ground terminal is in the form of a tapped hole (see figure 18) on the attachment
axis of the pole mounting.
–
The RT unit can be grounded using the grounding lug and screw hardware supplied with the equipment.
The grounding uses a green and yellow cable with an insulating sheath, and with a minimum
cross–section of 16 mm2.
Steps
1. Crimp a lug (ref.: 16–6 CT) on to the grounding cable (16 mm2 cross–section).
2. Screw the cable lug into the tapped hole. Use an M6 screw.
grounding screw
Figure 18 – Grounding the RT unit
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– Installation of the RT/NT link
Considerations
– The electrical connection between the RT unit and the NT unit of the Terminal Station is made using
a type ET 2PA 981 75 ohms coaxial cable equipped with “F” connectors (at the NT side end) and “N”
connectors (at the RT side end).
–
If a single cable (70 meters without connectors) does not cover the distance between the RT unit and
the NT unit, two or more repeaters must be used. For the possible configurations and installation of
a repeater, see paragraph 3.7 of the present chapter.
–
If the RT unit is connected to several NTs of the Terminal Station, use several splitters. For the possible
configurations, and installation of a splitter, see paragraph 3.8 of the present chapter.
–
The length of the cable used must be noted. In order to facilitate this measurement, refer to the markings
printed on the cables: every meter, on the outer sheath, the number of meters is indicated
incrementally. To know the length of cable installed, subtract the number at one end from the number
at the other end of the cable used. Note the result at the NT.
–
You are recommended to secure the coaxial cable every meter with a cable tie.
“F” connnector
“N” connnector
To NT unit
To RT unit
Figure 19 – Coaxial cable
Steps
1.
Carry out the wiring between the RT unit and the NT unit.
Note : In the event of the use of repeaters and/or splitters, use the number of cables required by the
configuration. Refer to paragraphs 3.7 and 3.8 of this chapter.
Note : Make a drip groove where the cable enters the building, respection the cable’s bending radius(100 mm
minimum), in order to prevent water infiltration.
AVOID A TOO LONG PARALLEL WALK BETWEEN THE RT/NT COAXIAL LINK AND
ELECTRICAL CABLES, OR GSM/DCS BASE STATION CABLES.
2.
Note the length of the cable installed. This information will be entered into the database when the equipment
is commissioned using the configuration software.
Note : The accuracy required by the configuration software is + 1.5 m.
3.
At the RT unit side end, equip the cable with a type “N” 75 ohm coaxial connector, supplied with the
equipment. For attaching the coaxial terminals, refer to the manufacturer’s Assembly manual and use the
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3.5
specific tools as recommended. One of the main causes of installation problems is the faulty mounting of
connectors.
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NEVER USE 50 OHM CONNECTORS, AT THE RISK OF DESTROYING THE RADIO
UNIT.
IMPORTANT NOTE: NEVER HANDLE THE RT UNIT BY ITS ANTENNA BUT BY THE
BODY OF THE RADIO OR THE SUPPORT ARM.
70
IMPERATIVE : PROTECT THE “N” CONNECTOR CONNECTION WITH A PRE–PASTED
THERMOSHRINKABLE SLEEVE.
Thermoshrink a pre–pasted sleeve on the
connector/terminal/cable assembly 70 mm
along. (80 mm minimum long before thermoshrink)
The sleeve end should stop at the terminal base.
Figure 20 – Connecting the “N” connector with the thermoshrinkable sleeve
4.
Attach the cable to the RT unit using a cable tie.
THE COAXIAL CABLE SHOULD NEVER BE TOO TIGHT BETWEEN THE ODU AND ITS
MOUNTING. ADJUST THE POSITION OF THE MOUNTING AND THE LENGHT OF THE
CABLE TO SUIT, OTHERWISE THERE IS A MAJOR RISK OF ANTENNA MISALIGMENT
OR CABLE DAMAGE AT THE CONNECTOR. ON THE OTHER HAND, TOO SLACK A
CONNECTION CAN HAVE THE SAME CONSEQUENCES UNDER THE EFFECT TO THE
WIND.
Note : No overtighten the cable tie on the cable; this could cause deformation of the dielectric and subsequent
loss of performance.
5.
Run the cable to the NT unit and equip it with a type “F” 75 ohm coaxial connector, supplied with the
equipment.
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– Installation of the Terminal Station 9900NT Indoor Unit
A SPACE OF 1U (in the event of rack mounting) OR APPROXIMATELY 50 mm MUST
BE LEFT FREE ABOVE THE TERMINAL STATION IDU.
NEVER STORE DOCUMENTATION OR ANY OTHER OBJECTS ABOVE THE NT UNIT
ON THE VENTILATION HOLES. THIS MAY CAUSE IT TO BE DAMAGED.
Considerations
–
The NT units are intended for indoor installation only.
–
The NT should be positioned in accordance with the needs of the user and the technical constraints
(e.g., minimum distances to be respected, topology of the connections, accessibility of the RT/NT link,
power supply).
–
Always place the NT unit in a dry, dust–free environment, away from any major source of heat
(–5 < T< + 45°).
–
Always place the NT unit near a rated power source: 85/264V – 47/63Hz with ground connection.
Note : Use grounded power connections only. Avoid the use of extension cables.
– The power supply is turned on after installation of the NT, when it is commissioned.
–
Do not install the NT too close to the ground (keep at a distance from dust and floor cleaning products).
–
do not install on premises containing corrosive materials.
3.6.1 – Installation of the 9900NT unit on a desktop
Steps
1.
After unpacking the unit, fit it with its four feet, clipping them on to the bottom of the unit.
2.
Connect the NT unit to the Terminal Station RT (”F” connector).
Figure 21 – Mounting the feet
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3.6
All rights reserved. Passing on and copying of this
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3.6.2 – Installation of the NT unit on a vertical wall support
484
203
Figure 22 –Installation of the NT on a vertical wall support
Steps
1.
Select a flat, vertical wall surface for installing the NT unit, at a height of over 1 meter from the ground.
2.
Mount the four brackets on the unit.
3.
Mark the position of the holes on the support with a sharp implement or marker.
4.
Drill the holes and insert the plugs.
5.
Mount and secure the screw fittings, starting from the top.
THE MAIN CONNECTOR MUST ALWAYS BE AT THE TOP OF THE UNIT
DO NOT STRAIN OR TWIST THE UNIT
6.
Connect the NT to the RT (”F” connector).
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3.6.3 – Installation of the NT unit on a 19” rack
1.
Fit the handles on the NT unit (see figure 23).
2.
Install the unit in the 19” (or other type) rack (screw fittings reat included, this depend on the manufacturer).
3.
Connect the NT to the RT (”F” connector).
M3x6 countersunk
fixing screws
Handle
Figure 23 – Fitting the NT unit handles
A SPACE OF AT LEAST 1U MUST BE LEFT FREE ABOVE THE ASSEMBLY.
3.6.4 – Grounding the NT unit
Considerations
– The NT unit can be grounded to the general ground or using a grounding terminal and lug. The
grounding terminal is on the right of the NT unit (connections side) and is in the form of a tapped hole
(see Figure 24).
–
The ground / earth connection should be made as directly as possible between the unit and the general
grounding system of the side (bar, rod, plate, etc.).
Steps
1. Crimp a lug (ref.: 16–6 CT) on to the grounding cable (16 mm2 cross–section).
2. Screw the cable lug into the terminal designed for this purpose. Use an M6 screw.
General grounding/earthing lug
Figure 24 – Grounding/earthing the NT unit
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Steps
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3.7
– Installation of one or more repeater modules
Considerations
–
In the case of a coaxial cable to cover a distance greater than 70 meters between ODU (9900RT) and
IDU (9900NT), a repeater module is required to compensate losses.
–
Repeaters are installed indoors only, sheltered from dust and heat.
–
The repeater must be installed in series on the RT/NT connection (coaxial cable).
–
Respect the installation orientation of the repeaters, paying attention to the reference marks on the
casing.
–
The repeater needs no setting. It has no individual power supply: the repeater automatically takes its
power from the supply passing through the RT/NT connection.
–
The repeater is a fixed gain bi–directional amplifier. This means that the installation methodology
described below MUST be respected.
Repeater installation methodology
1.
Between repeater and RT unit, the length of the connection (coaxial cable) is always variable: from 0 to 70
meters.
2.
Between repeater and NT unit, the length of the connection (coaxial cable) is always fixed: 70 meters.
First example
Length of coaxial cable less than 140 m (here, 110 m).
A single repeater is used.
Repeater
RT
Example: 40 meters
Fixed: 70 meters
NT
Figure 25 –Installation with one repeater
The variable length, < 70 m, is always situated between repeater and RT unit.
The fixed length, 70 m, is always situated between repeater and NT unit.
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Second example
Two repeaters are used.
repeater
repeater
RT
Example:
60 meters
Fixed:
70 meters
Fixed:
70 meters
NT
Figure 26 –Installation with two repeaters
Steps
1.
Select the installation location with respect to the location of the NT unit.
2.
Install and secure the repeater.
3.
Wire the repeater to the NT unit and to the RT unit, respecting the instructions contained in the installation
methodology above.
4.
Note the length of the cables installed. The length of each should be < 70 m. This information will be entered
in the database when the equipment is commissioned, using the configuration software.
Note : The accuracy required by the configuration software is + 1.5 m.
5.
If the last 70 meter section must be coiled, respect a minimum bending radius of 200 mm.
IN ALL CASES, THE LENGTH OF THE CABLE SHOULD NOT EXCEED 210 meters FOR
A MAXIMUM OF 2 REPEATERS.
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Length of coaxial cable less than 210 m but greater than140 m (here, 200 m).
– Installation of one or several repeaters with passive splitter(s)
Considerations
– Where there are several NT units for a single RT unit, one or several splitter(s) need(s) to be used.
–
For a single RT unit it is possible to mount up to four NT units.
–
The passive splitter is installed in series on the RT/NT connection (coaxial cable).
–
The passive splitter has no individual power supply: it feeds the power through from the NT to the RT.
–
Respect the installation orientation of the repeaters and splitters, paying attention to the reference
marks on the casing.
–
The length of the cable used must be noted. In order to facilitate this measurement, refer to the markings
printed on the cables: every meter, on the outer sheath. To know the length of cable installed, subtract
the number at one end from the number at the other end of the cable used.
Methodology
– The system supports a maximum of 2 repeaters and 3 splitters per route. Route means the path
between an NT unit and the RT unit.
–
The variable distance between an RT and a repeater is from 0 to 70 meters.
–
The fixed distance between two repeaters is 70 meters.
–
The fixed distance between a repeater and an NT is 70 meters.
–
The fixed distance between two repeaters encompassing a passive splitter is 50 meters.
–
The fixed distance between a repeater and an NT, and encompassing a splitter, is 50 meters
–
The fixed distance between two repeaters encompassing two passive splitters is 30 meters.
–
The fixed distance between a repeater and an NT, encompassing two splitters, is 30 meters
–
If a fixed lenght section must be coiled, respect a minimum bending radius of 200 mm.
15
35,5
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3.8
4,5
45
Figure 27 – Passive splitter
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Figure 28 – Repeater
Example of “star” assembly
This scheme is to be preferred since only 2 splitters are used per route.
It is well suited to the distribution of NTs on the same floor of a building.
0 to 70 meters
RT
50 meters
repeater
repeater
repeater
splitter
splitter
50 meters
50 meters
repeater
NT1
NT2
NT3
NT4
Figure 29 – Preferred “star” assembly
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124
169
0 à 70 meters
RT
50 meters
50 meters
mètres
repeater
splitter
repeater
repeater
splitter
splitter
75 ohms load
50 mètres
50 meters
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Example of the use of 75 ohm loads on cables or accesses waiting for one NT.
on splitter acces waiting
for NT4
75 ohms load
NT1
on cable waiting for NT2
NT3
Figure 30 – assembly withs 75 ohms loads .
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Example of “stepped” assembly
RT
0 à 70 meters
50 meters
repeater
50 meters
splitter
repeater
70 meters
NT
NT1
50 meters
50 meters
repeater
splitter
NT2
NT3
Figure 31 –”Stepped” assembly
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RT
0 à 70 meters
50 meters
repeater
splitter
30 meters
30 meters
NT1
splitter
NT2
repeater
50 meters
splitter
50 meters
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Example with two splitters placed between two repeaters
NT3
NT4
Figure 32 –Assembly with two splitters placed between two repeaters
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4 – Commissioning the 9900TS Terminal Station
4.1
– Purpose
The purpose of this task is to carry out:
– site adjustment of the RT unit (also called RT or RT radio),
4.2
–
initialization and configuration of the RT unit and NT unit parameters,
–
checking and validation of the installed parameters before rendering the equipment operational.
– Commissioning the RT unit
4.2.1 – Equipment required
To configure the parameters and carry out site adjustment of the RT unit, the following equipment is required:
– the RT unit,
–
the RIT tool (Radio Installation Tool),
Front view of equipment in
transport pouch
Potentiometer
Alarm indicator
Field Gauge
On/Off switch
Receiving indicator
PC and headset
cable connector
On/Off indicator
Rear view
N connector to
NIT tool
BNO connector
to RT unit
N connector to
RT unit
Figure 33 – RIT tool
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NIT tool (Network Installation Tool),
Connector for RIT/NIT cable
On/Off switch
Connector for mains cable
Figure 34 – NIT tool
–
one tool cable set (see Figure 35 and 36),
–
one audio–head set (see Figure 36),
–
one No.5 Allen key,
–
the RT installation and programming software pre–installed on a portable PC,
–
a diskette (or CD–ROM) containing the data pre–recorded by the network operator,
–
a PC fitted with the RT unit initialization and programming software; the PC should have the following
minimum characteristics:
microprocessor: 300 MHz Pentium II,
RAM: 64 MB,
Hard disk: 2 GB,
Graphics board: 2 MB,
3”1/2 disk drive (internal or external),
12x CD drive (internal or external),
Ports: 1 available serial port (DB9) and 1 available parallel port (centronix),
2–button mouse (PS2 series) or a pointing device,
network board: 10/100BT Ethernet (RJ45), 10B2 (BNC),
12” screen (1024x768).
The RIT is used:
– as an interface between the PC and the RT unit: it receives the information necessary to the initialization
and programming of the RT from the PC and transmits it to the RT unit;
–
to implement optimal alignment of the antenna vis–a–vis the Base Station. This function is provided
by the Received Signal Level control system (visual and/or audible) of the RIT.
The NIT is used:
– as a power source for the RT unit and the RIT tool during the RT adjustment and configuration
procedures.
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–
4.2.2 – Site configuration and adjustment procedures
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4.2.2.1 – Configuration of the 9900RT ODU parameters
To carry out RT radio programming, implement the assembly shown in Figure 35.
Note : It is recommended that this task be carried out indoors. The use of the portable PC in inclement weather
conditions (rain, snow, etc.) is not advisable.
Portable
computer
RIT/PC link (tool cable)
NIT tool
RIT tool
RT
mains 85 – 264 VAC
RT/RIT link (tool cable)
47 – 63 HZ
I2C bus (tool cable)
Coaxial cable (tool cable)
or “site” cable
Figure 35 – RT configuration setup diagram
Stages
1.
2.
Connect the cables of the configuration tools (cables and tools delivered with the equipment):
– between the RT unit and the RIT tool: the RT/RIT link coaxial cable (“N” type connectors at both ends)
–
between the RT unit and the RIT tool: the data transfer bus (“BNO” type connectors at both ends)
–
between the portable PC and the RIT tool,
–
between the RIT tool and the NIT tool: coaxial cable (“N” type connector at the RIT and “F” type
connector at the NIT)
–
between the NIT tool and the mains power supply: mains connection cable.
Power–up the assembly:
– power–up the NIT tool,
–
power–up the PC,
–
power–up the RIT tool.
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Run the installation software from the PC.
Note : The installation software operator is expected to understand the operation of software in the Windows
95, 98 and NT environments.
4.
Insert the diskette (or CD–ROM) containing the pre–recorded data and transfer it on to the PC hard disk.
5.
If there is no diskette or data on diskette, enter on the PC screen displayed windows the the following data:
– the distance between the Terminal Station (9900TS) and the link Base Station (9900BS)
–
distance (D) accuracy: 100m < D < 200m; 20m maximum error
–
200 < D < 200m; 40m maximum error
–
400 < D < 400m; 80m maximum error
–
D < 800m; 100m maximum error
–
the total length and/or type of RT/NT cable, required accuracy: ± 1,5 meter per cable section, ± 5 meters
per cable overall lenght
–
the difference in altitude between the 9900BS antenna and the 9900TS antenna, required accuracy:
± 10%
–
whether or not a repeater is used
–
single or multi–NT configuration.
Note : Part of the data required for the correct operation of the system is supplied to the software by the network
operator in computerized form (diskette, CD–ROM, etc.).
6.
Confirm the data entries for the data to be transfered to the RT.
4.2.2.2 – Aligning the RT unit antenna
Note : To carry out the following phases of the Terminal Station commissioning, the link Base Station must be
operational and its antenna correctly orientated.
IMPORTANT NOTE: NEVER HANDLE THE RT UNIT BY ITS ANTENNA BUT BY THE
BODY OF THE RT RADIO OR THE SUPPORT ARM.
The following equipment is required for carrying out RT antenna alignment:
– the RT unit,
–
the RIT (Radio Installation Tool),
–
the NIT (Network Installation Tool),
–
an audio headset,
–
a No. 5 Allen key.
To carry out RT unit antenna alignment, implement the assembly shown in Figure 36.
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3.
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Headset
RT
RT/RIT link cable (tool cable)
RIT/ Headset tool cable
NIT tool
RIT tool
mains 85 – 264 VAC
47 – 63 HZ
“Site” caxial cable (link RT/NT)
Figure 36 – RT antenna fine alignment assembly diagram
Stages
IN VIEW OF THE FACT THAT THE SIDE LOBES ARE QUITE ADJACENT (4_ TO 5_)
AND AT QUITE A HIGH LEVEL (–15dB), BE SURE THAT ALIGNMENT IS CARRIED OUT
WITH RESPECT TO THE MAIN LOBE.
1.
Using the Allen key, loosen the screws (ref. 1, Figure 38).
2.
Adjust the RT unit by sweeping horizontally in either direction until the maximum receive level is found.
3.
If no reception level is detected, lock the bearing alignment and repeat the elevation alignment procedure.
Check installation for ploarization, connection..., in failure case.
main lobe
side lobe
Figure 37 – Main lobe and side lobes
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1
Figure 38 – Adjustment screws
4.
Carry out alignment with respect to the strongest signal. To do this, either:
–
observe the maximum field level on the RIT tool indicator (the field maximum corresponds to the
maximum deviation of the needle on the field gauge),
–
or, evaluate the maximum field level using the audio headset connected to the service kit cable (field
minimum corresponds to a low frequency audio signal; field maximum corresponds to a high frequency
audio signal).
Potentiometer
Potentiometer
When the needle reaches the end point, adjust the potentiometer to re–center it.
These adjustments are repeatable.
Figure 39 – Adjustment procedure using the RIT tool potentiometer
5.
Using the Allen key, re–tighten the “bearing” screws (ref. 1, Figure 38).
6.
Using the Allen key, loosen the “elevation” screws (ref. 2, Figure 38).
7.
Adjust the RT unit by sweeping vertically in either direction until the maximum receive level is found. Use
the same methods presented in point 3 above.
8.
Using the Allen key, re–tighten the “elevation” screws (ref. 2, Figure 38).
9.
Tighten all the mechanical assembly screws, taking care not to mis–align the RT unit assembly.
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10. Remove the tools and cables used for RT configuration and adjustment.
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11. Connect the RT/NT connection cable to the RT unit.
4.3
– Commissioning the NT IDU
Note : To carry out the following phases of the Terminal Station commissioning, the link Base Station must be
operational and its antenna correctly orientated.
Considerations
– Before commissioning the NT unit, complete the RT unit adjustment procedures.
–
No adjustment is required for commissioning the NT.
–
To check the voltage at the mains connector terminals, use a measuring instrument (voltmeter).
–
For the mains connection, use only the connection cable supplied with the equipment.
–
Never use an extension cable for connecting the NT unit to the power source.
Stages (Figure 40)
1.
Connect the RT/NT connection cable. Use ref. 1 connector.
2.
To ground the NT unit in this way, carry out the procedures described in Chapter 3.
Use the lug and screw hardware supplied with the equipment, ref. 7.
3.
Check that the mains socket to which the NT is to be connected supplies voltage compliant with the
equipment characteristics and that it is fitted with an earth.
4.
Connect the NT connection cable to the NT connector (ref. 5) and then to the mains.
5.
Power–up the NT unit using the On/Off switch (ref. 6); the green “Power” LED (ref. 3) lights up. The red
“Alarm” LED (ref. 4) starts to flash at different rates according to the current phase.
6.
Observe the (automatic) initialization time of the NT. As soon as the red LED (ref. 4) goes out, the system
is operational.
Note : The maximum initialization time is in the order of 5 minutes.
Client terminals are connected to the ref. 2 connectors.
Figure 40 – The NT unit
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4.4
– Client terminal connections
9900 NCA 001
G703
9900 NCA 002
G703
G703
2 x Eth 10bT
9900 NCD 001
X21
2 x Eth 10bT
2 x Eth 10bT
4.4.1 – Ethernet connector
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
1 ––––>Tx_diff_plus
2 ––––>Tx_diff_Moins
3 ––––>Rx_diff_plus
4 ––––>Not connected
5 ––––>Not connected
6 ––––>Rx_diff_Moins
7 ––––>Not connected
8 ––––>Not connected
Unshielded cable
Figure 41 – Affectation of Ethernet access points
SHIELDED CABLES MANDATORY
4.4.2 – G703 connector
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
1 ––––>Rx_Ring
2 ––––>Rx_Tip
3 ––––>Not connected or equipment ground
4 ––––>Tx_Ring
5 ––––>Tx_Tip
6 ––––>Not connected or equipment ground
7 ––––>Not connected
8 ––––>Not connected
Shielded cable
Figure 42 – Affectation of G703 access points
SHIELDED CABLES MANDATORY
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There are three types of NT units:
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
15
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4.4.3 – X21 connector
1 ––––>Screen
2 ––––>T_neg
3 ––––>C_neg
4 ––––>R_neg
5 ––––>I_neg
6 ––––>S_neg
7 ––––>B_neg
8 ––––>Ground
9 ––––>T_pos
10 ––––>C_pos
11 ––––>R_pos
12 ––––>I_pos
13 ––––>S_pos
14 ––––>B_pos
15 ––––>Not connected
Shielded cable
Figure 43 – Affectation of X21 connector access points
SHIELDED CABLES MANDATORY
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5 – Operation and maintenance
5.1
– Network supervision
The network operator receives the alarms sent by the network equipment. With the aid of the the 9900LT
software applications, the operator can view and analyse the alarms and trigger the appropriate corrective
operations (see procedures below).
In the event of unsatisfactory results from the performance measurement programs, analyses may be made
to localise the implicated station and implement the necessary maintenance operations to restore original link
performance.
On detection of a fault, the operator should go to the faulty station. He should take a laptop PC enabling him
to configure, if required, certain system characteristics.
5.2
– Preventive maintenance
This maintenance is carried out, either during a corrective maintenance inspection, or during a periodic
inspection, on all station equipment. It consists in inspecting the units and their interconnections (connectors,
cables, sockets, etc.) and ensuring that the environment of the Indoor Units (NTs) complies with installation
requirements (see section 3 of this Manual). In case of doubt, the suspect parts should be checked, taking all
precautions to avoid interrupting link data transmission.
5.3
– Corrective maintenance
5.3.1 – Methodology
–
Analysing the NT unit alarm LEDs,
–
In the case of alarms, localising them with the aid of configuration and management programs installed
in a PEX, analysing them and carrying out the necessary corrections (changing the unit, module, cable,
etc.).
5.3.2 – Use of 9900LT software programs for alarm localisation
To activate and use the alarms refer to section 4.10 of the Base Station User Manual, ref.: 3CC10875AAAA TQ
BJB .
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– Changing the NT unit
Stages
1. Turn off NT unit power. Disconnect from power source.
2. Disconnect all cables connected to the NT unit to be changed.
3. Change NT unit after checking that the characteristics coincide (number of inputs, impedance, etc.).
4. Reconnect NT unit cables.
5. Power up NT unit.
6. Wait for “Power” LED to light up.
7. Wait for flashing of “Alarm” LED. The NT unit is in operation once the LED is extinguished.
8. Check the absence of alarms in the 9900LT software application (see section 4.10 of the Base Station User
Manual ).
9. Update the station installation sheet .
5.5
– Changing the RT unit
Stages
1. Disconnect the RT/NT connection cable.
2. Change RT unit after checking the characteristics are identical.
3. Carry out antenna alignment. For this, refer to section 3 of the present Manual.
4. Reconnect the RT/NT connection cable. Wait two minutes. Reconfiguration is automatic.
5. Check the absence of alarms in the 9900LT software application.
6. Update the station installation sheet .
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5.4
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6 – Changes of configuration
The changes to the transmission network may require changes to the equipment configurations in order to meet
new requirements. The A9900 equipment is likely to satisfy these changes either by modifying just the
equipment software configuration or by physically modifying the equipment and its configuration.
These changes may involve either changes of configuration using the 9900LT software only, or changes of
configuration with physical intervention on the equipment.
The possible changes using the 9900LT software only are:
– use of NT unit supervision,
–
declaration/removal/reset of an NT terminal,
–
implementation of customer services.
The possible changes with physical intervention are:
– addition of an NT unit,
–
changing an NT unit,
–
changing an RT unit,
–
changing the BS on an NT unit.
Before any configuration change, block all remote command signals
(Procedure to be detailed subsequently.)
6.1
– Use of NT unit supervision
For the use of this function, carry out the commands indicated in section 4.6 of Chapter 4 – Presentation of
9900LT Software of the Base Station User Manual, ref: 3CC10875ABAA TQ BJB .
6.2
– Declaration, deletion, reset of an NT unit
To add a new NT IDU:
– update the “Installation information” sheet required for station installation (refer to Annex 1 of the
present Manual),
–
carry out installation (refer to Chapter 3 of the present Manual) and commissioning (refer to Chapter
4 of the present Manual) of the NT
–
to declare the new NT terminal, execute the commands indicated in section 4.6.1 of Chapter 4 –
Presentation of 9900LT Software of the Base Station User Manual.
To delete an NT unit from the network:
– update the “Installation information” sheet required for station installation (refer to Annex 1 of the
present Manual),
–
execute the commands indicated in section 4.6.3 of Chapter 4 – Presentation of 9900LT Software of
the Base Station User Manual,
–
turn off power to unit using ON/OFF switch.
To reset an NT unit:
– execute the commands indicated in section 4.6.4 of Chapter 4 – Presentation of 9900LT Software of
the Base Station User Manual,
–
6.3
if necessary, update the “Installation information” sheet (refer to Annex 1 of the present Manual).
– Implementation of customer services
To implement customer services:
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execute the commands indicated in section 4.12 of Chapter 4 – Presentation of 9900LT Software of
the Base Station User Manual,
Note : The system benefits from E1 or IP links. For each case, use the specific procedure.
– if necessary, update the “Installation information” sheet (refer to Annex 1 of the present Manual).
6.4
– Changing an RT unit
When changing the RT unit, it is necessary to carry out antenna alignment (tracking) and reinitialisation of the
radio part configuration
To change the RT unit:
– turn off the mains supply to the NT,
– disconnect the RT/NT link cable,
– carry out installation of the RT unit and tracking of the Terminal Station antenna. For this, refer to Chapter 3
of the present Manual.
– restart the Terminal Station. For this, refer to Chapter 4 of the present Manual.
– reconfigure the system according to the procedures in Chapter 4 of the present Manual.
For system initialisation and retrofit, refer to section 4.6 of Chapter 4 – Presentation of 9900LT Software of the
Base Station User Manual.
6.5
– Changing the BS on an NT
To change the Base Station on a Terminal Station:
– turn off the mains supply to the NT,
– carry out tracking of the Terminal Station antenna. For this, refer to Chapter 3 of the present Manual.
– restart the Terminal Station. For this, refer to Chapter 4 of the present Manual.
– reconfigure the system according to the procedures in Chapter 4 of the present Manual.
For system initialisation and retrofit, refer to section 4.6 of Chapter 4 – Presentation of 9900LT Software of the
Base Station User Manual.
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–
All rights reserved. Passing on and copying of this
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not permitted without written authorization from ALCATEL
Appendix 1 – 9900 TS INSTALLATION SHEET
General information
Name
Address
................................................................. Operator
No .....
Street..............................................
Bld ...... Stair .............
Floor...............
Town ...................Country......................
Site identification
Name of the corresponding
Base Station
Sector number (1, 2, 3, 4, etc.)
Distance between BS and TS
Altitude difference
Azimut (in degrees)
Obstacle (type,distance...)
Climatic zone (A,B, etc.)
Frequency band (GHz)
Duplex deviation (MHz)
Sub–band (A,.B, etc.)
Polarization (H or V)
9900 NT Intervening party : ............................Date : ...................Visa: .............
Designation
Type
Reference (3CC...)
ICS (01,02,...)
Serial number
Downloaded
application
Version
Position, location
of the equipment
Installation type
NT1
NT2
NT3
NT4
(Rack,wall–mounting,table)
9900 RT Intervening party :.............................. Date : .................Visa: ............
Designation
Version
Reference (3CC...)
ICS (01,02, etc.)
Serial number
Reception level (dBm)
Installation type (rooftop, tower, mast)
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RT NT cabling Intervening party :...................... Date : .......... Visa :........
Diagram marks
Type of cable
Length between RT
and the first element
Splitter references
Splitter serial numbers
Repeater references
Repeater ICS
Repeater serial
number
75 ohm load references
Connecting diagram
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Mecanical support References
Radio installation height / ground
Azimut (in degrees)
All rights reserved. Passing on and copying of this
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Appendix 2 – Using the DALLET system by
SOFRER for 1 m & 1.5 m high mast on rooftop
Recommendations according to Snow and Wind Rules NV 65 are only indications and should
be verified according to the sites
Feet weight : about 50 Kg
Zone 1 and Zone 2
Zone 1 and Zone 2
3 DALLET
2 DALLET
Zone 3
Zone 3
3 DALLET
4 DALLET
Before any use, verify the rules applicable locally and compute according to the
regulations.
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Appendix 3 – Mounting coaxial connectors
Sheet “N” 75Ω.
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Fiche “F” 75Ω.
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Filotex

Coaxial cable 75 Ω
Main applications
n Drop coaxial cable for indoor/outdoor applications.
Electrical values
n Characteristic impedance : 75Ω
n Nominal capacitance : 55.5 pF/m
n Relative velocity of propagation : 82 %
PRODUCT REFERENCES
Dielectric strength : 1.5 Kv
Jacket strength : 3.0 Kv
DC loop resistance ar 20 degres : 38.5Ω /km
n Attenuation at 50 MHz : < 4.72 dB/100 m
300 MHz : < 11.10 dB/100 m
450 MHz : < 13.70 dB/100 m
600 MHz : < 16 dB/100 m
860 MHz : < 19.50 dB/100 m
1000 MHz : < 21.10 dB/100 m
2000 MHz : < 32.40 dB/100 m
n Screening attenuation from 100 to 1000 MHz : >
_ 85 dB according to
IEC1196–1§12–4.
n Structural return loss : 30 to 450 MHz : > 20 dB
450 to 600 MHz : > 18 dB
600 to 1000 MHz : > 15 dB
1000 to 2000 MHz : > 12 dB
n Tolerance : 3 peaks at – 4 dB in each bandwith
Physical characteristics
n Maximum pulling strength : 34 daN
n Minimum bending radius for one single bend : 40 mm
for 10 bends : 80 mm
n Weathering resistance according to NFC 20 540
n Resistance to propagation according to IEC 332–3 but with a reduced
volume of flamable material (0.5l instead of 1.5l)
Passing on or copying of the document, use or communicate of its content is not permitted without prior written authorization.
FILOTEX ref. : ET 2PA 981
CONSTITUTION
1 1.02 +/– 0.1 mm bare copper
inner conductor
2 Cellular polyolefin insulation
Ø = 4.60 +/– 0.1 mm
Aluminium/PET/Aluminium
tape
4 Tinned copper braid
(filling factor > 60%).
Smoke emission according to IEC 1034–2
Halogen content according to IEC 754–1
LSZH ivory jacket
Ø = 7.15 +
0.15 mm
Weight : 58 Kg/Km
Information subject to change without notice.
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All rights reserved. Passing on and copying of this
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Appendix 4 – List of abbreviations/Liste des
abréviations
MNEMONIC
ENGLISH
FRENCH
ADM
Add and Drop Multiplexer
(MIE) Multiplex insertion extraction
AGC
Automatic Gain Control
(CAG) Commande Automatique de Gain
AIS
Alarm Indication Signal
(SIA) Signal d’indication d’alarme
AMD
AirModem
ANT
ATM Network Termination
ATM
Asynchronous Transfer Mode
(?) Mode de transfert asynchrone
AS
Automatic switching
(CA) Commutation automatique
AT
Attend alarm (on CT)
(AT) Alarme en attente (sur PEX)
BER
Bit Error Rate
(TEB) Taux d’erreur binaire
BNC
Bayonet–locking Connector
(BNC) connecteur BNC
Base Station
(BS) Station de base
CEPT
Conference of European Post and Telecommunications administrations
(CEPT) Conférence Européenne des
Postes et Télécommunications
CCIR
International radio consultative comitee
(CCIR) Comité consultatif international des
radiocommunications
CPL
coupling (in CPL board)
(CPL) coupleur (carte CPL)
CT
Craft Terminal (ECT, NCT or RCT)
(PEX) Poste d’exploitation (PEE, PER ou
PED)
DBS
Digital Base Station
(DBS) Station de base numérique
EMC
ElectroMagnetic Compatibility
(CEM) Compatibilité ElectroMagnétique
Electronically Programmable Read–Only
Memory
(EPROM) Mémoire fixe programmable de
façon électronique
BS
EPROM
ETSI
European Telecommunications Standards (ETSI) Institut de standardisation des
Institute
télécommunications éuropéennes
FEC
Forward error correction
(CCE) Code correcteur d’erreurs
High Density Binary 3 code (3rd order)
Code Haute Densité Binaire d’ordre 3
Inter Integrated Circuit
(I2C or IIC) Inter Circuits Intégrés
IDU
InDoor Unit
(IDU) Coffret intérieur
IEC
International Electrotechnical Commission (IEC) Commission internetionale
d’électrotechnique
HDB3
I2C or IIC
IP
Internet Protocol
(IP) Protocole internet
ITU
International Telecommunication Union
Union Internationale des
Télécommunications
LED
Light Emitting Diode
Diode électroluminescente
Local Multipoint Communication Systems
(LMCS) Système de communication
multipoint en mode local
LMCS
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LMD(S)
ENGLISH
FRENCH
Local Multipoint Distribution (System)
(LMD(S)) Distribution multipoint en mode
local
MAC
Medium Access Control
(MAC) sous couche MAC de l’OSI
MUX
Multiplexer
(MUX) Multiplexeur
ODU
OutDoor Unit
(ODU) Coffret extérieur
NE
Network Element
(NE) Elément de réseau
NRZ
Non return to zero
(NRZ) Non retour à zéro
NT
Network Terminal
(NT) Terminal de réseau
PC
Personal Computer
(PC) Odinateur individuel
QAM
Quadrature amplitude Modulation
(MAQ) Modulation d’amplitude en
quadrature
RBS
Radio of Base Station
(RBS) Radio de la station de base
RF
Radio Frequency
(FR) Fréquence radio
RT
Radio Terminal
(RT) Terminal radio
RX
Receiver
(Rx) Récepteur
STP
Shielded Twisted Pair
(STP) Câble 1 paire trssadée blindé
SMD
Surface Mounted Device
(SMD) Composant monté en surface
TNT
Telefony Network Termination
(TNT) Terminal réseau téléphonique
TS
Terminal Station
(TS) Station Terminale
TX
Transmitter
(Tx) Emetteur
END OF DOCUMENT
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MNEMONIC

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