Selex ES F767DHDE-IP ECOSD RBS4000K U5110DA0C14W0E100S1V1G2 User Manual A2T ECOS D NETWORKS
Selex ES SPA ECOSD RBS4000K U5110DA0C14W0E100S1V1G2 A2T ECOS D NETWORKS
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Users Manual
Installation, configuration and maintenance
ECOS-D Digital Simulcast Technology
Radio Base Station Guide
A2T NETWORKS
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2
REVISION TABLE
Date
Revision
Comment
06/07/2015
2
Added notes to par. 4
11/06/2015
1
First issue
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unless agreed by Selex ES S.p.A. in writing. Selex ES S.p.A. reserves the right to alter without notice
the specification, design or conditions of supply of any product or service.
Selex ES logo is a trademark of Selex ES S.p.A.
Printed in Italy.
© Selex ES S.p.A. All Rights reserved.
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Summary
1. Scope ............................................................................................................................................................... 5
2. First aid for electrical shock and safety rules ................................................................................................ 5
2.1 First aid for electrical shock ................................................................................................................. 5
2.1.1 Artificial respiration ........................................................................................................................ 5
2.1.2 Treatment of burns........................................................................................................................... 5
2.2 Product Safety and RF Exposure Compliance .................................................................................... 7
2.2.1 RF Exposure Compliance ................................................................................................................ 7
2.2.2 Electrostatic protection .................................................................................................................... 7
3. Encoding criteria for all derived Products ..................................................................................................... 8
4. Technical/Environmental Specification ...................................................................................................... 10
5. Device Assembly and composition ............................................................................................................... 12
5.1 Position of the connectors and switches ............................................................................................. 14
5.1.1 Archetype ...................................................................................................................................... 14
6. Installation .................................................................................................................................................... 15
6.1 Overview ............................................................................................................................................... 15
6.1.1 Installation Pre-requisites .............................................................................................................. 15
6.1.2 Unpack ........................................................................................................................................... 16
6.1.3 Mechanical installation .................................................................................................................. 16
6.1.4 Electrical wiring ............................................................................................................................ 18
6.1.5 Unit grounding ............................................................................................................................... 18
6.2 Power supplies interfaces .................................................................................................................... 20
6.2.1 48 Vdc input .................................................................................................................................. 20
6.3 Radio Interfaces ................................................................................................................................... 23
6.3.1 TX N type connector ..................................................................................................................... 23
6.3.2 RX N type connector ..................................................................................................................... 24
6.3.3 Diversity receivers interfaces - Dual BNC type connector ............................................................ 25
6.4 Line interfaces ...................................................................................................................................... 26
6.4.1 4W and 4W+E/M Link .................................................................................................................. 26
6.4.2 E1 coax Link .................................................................................................................................. 33
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6.4.3 AF in/out ........................................................................................................................................ 35
6.4.4 LAN Interface ................................................................................................................................ 39
6.4.5 Serial Interface ............................................................................................................................... 41
6.4.6 Auxiliary Serial Interface .............................................................................................................. 43
6.4.7 Digital Input/Output Interface ....................................................................................................... 46
6.4.8 Local Microphone Interface .......................................................................................................... 48
7. Configuration ............................................................................................................................................... 50
8. Maintenance ................................................................................................................................................. 50
8.1 Module features, alarms and troubleshooting................................................................................... 50
8.1.1 CORE module - CORE .................................................................................................................. 50
8.1.2 4 Lines Interface module – LIF ..................................................................................................... 53
8.1.3 Digital Interface module – DIF ...................................................................................................... 54
8.1.4 Double Radio Receiver module – RRX ......................................................................................... 55
8.1.5 Switch module – SWITCH ............................................................................................................ 57
8.1.6 DC/DC module – DC/DC .............................................................................................................. 58
8.1.7 Radio Receiver and Transmitter module – RTX ........................................................................... 58
8.1.8 Power Amplifier module – PA ...................................................................................................... 60
8.2 Power modules maintenance precaution ........................................................................................... 62
8.3 Module removal ................................................................................................................................... 63
8.4 Back card removal ............................................................................................................................... 64
8.5 Local Maintenance Interface .............................................................................................................. 65
8.6 Local Test AF Interface ...................................................................................................................... 67
8.7 Remote Maintenance Interface .......................................................................................................... 69
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1. Scope
This manual provides experienced technicians familiar with similar types of equipment with information
which permit the installation and maintenance of the described product, whose characteristics are
described in the Technical specification Section.
This document does not contain information of the maintenance and configuration software that are
provided with the software itself.
Information contained in this document are valid only for the model named ECOSD RBS4000K
U5110DA0C14W0E100S1V1G2, whose certification number is FCC ID: X5YF767DHDE-IP and IC:
12512A-F767DHDEIP, of the ECOS-D family of products, optional cards and ancillaries included. The
technicians must use only the part of information related to the RBS really shipped.
2. First aid for electrical shock and safety rules
2.1 First aid for electrical shock
Do not touch the patient with bare hands until the circuit has been opened. Open the circuit by
switching off the line switches. If that is not possible protect yourself with dry material and free the
patient from the conductor.
2.1.1 Artificial respiration
It is important to start mouth resuscitation at once and to call a doctor immediately. Suggested
procedure for mouth to mouth resuscitation method is described in Table 1.
2.1.2 Treatment of burns
This treatment should be used after the patient has regained consciousness. It can also be employed
while artificial respiration is being applied (in this case there should be at least two persons present).
Warning
• Do not attempt to remove clothing from burnt sections
• Apply dry gauze on the burns
• Do not apply ointments or other oily substances.
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Table 1: First aid
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2.2 Product Safety and RF Exposure Compliance
2.2.1 RF Exposure Compliance
The described product is intended for use in occupational/controlled conditions, where users have full
knowledge of their exposure and can exercise control over their exposure to meet R&TTE and FCC/IC
limits. This RBS is NOT authorized for any other use.
_________________________________________________________________________
- The minimum safe distance to antenna, depending on antenna gain, is shown in the
following table:
- La distance minimale de sécurité à l'antenne, en fonction de gain de l'antenne elle-même,
est illustré dans le tableau suivant.
Antenna Gain
Gain de l’antenne (dBi)
Safe distance
Distance de sécurité (cm)
8 (typ.)
450
15 (max.)
1000
_________________________________________________________________________
2.2.2 Electrostatic protection
When the equipment units are provided with the plate, shown in Figure 1 it means that they contain
components electrostatic charge sensitive.
Figure 1 Electrostatic sensitive equipment
In order to prevent the units from being damaged while handling, it is advisable to wear an elasticised
band (Figure 2) around the wrist ground connected through coiled cord (Figure 3) to the appropriate
point on the RBS (Figure 4)
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Figure 2 Antistatic band
Figure 3 Coiled Cord
Figure 4 Antistatic contact point
3. Encoding criteria for all derived Products
The following table sets out the criteria for coding of products derived from the archetype, and is
specific to an equipment ECOSD A2T-band 896-941 MHz 110W PA.
The model number for each products derived from the archetype, is obtained by assigning to the
variables that make up (highlighted in green), one of the value shown in the table.
Tab. 2
General Code: ECOSD RBS4000K aabbbWAcde4WgE1hmSnVpGr
Frequency Band
aa
aa = U5 (896 - 941 MHz)
aa = 00 - indicates no part radio
RF Power
bbbW
bbb = 110 - Pout 110W
bbb = 000 - indicates no Power Amplifier module
W = W Configuration without RX Diversity
W = D Configuration with RX Diversity
Power Supply
Acde
c = 0 - does not provide 12Vdc power supply
Antistatic
contact point
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d = 0 - indicates the absence of alternatives at 12Vdc powr supply
d = C - indicates 48Vdc power supply
e = 1 - indicates one power supply module
e = 0 - indicates no power supply modules
4 Wires interfaces
4Wg
g = 1 - indicates one LIF (Line Interface module) with back-
card
g = 0 indicates no Line Interface modules and no back-card
E1 Interfaces
E1hm
h = C - indicates back-DIF (Digital Interface back-card) with
coax connectors @75 Ohm unbalanced
h = R - indicates back-DIF (Digital Interface back-card) with
RJ45 connectors @120 Ohm balanced
h = 0 - indicates no back-DIF
m = 1 - indicates one Digital Interface module
m = 0 - indicates no Digital Interface modules
Option Board -
SOIP
Sn
n = 1 - indicates one SOIP piggy-back on one CORE module
n = 0 - indicates no SOIP piggy-back
Option Board -
VOCODER
Vp
p = 1 - indicates one VOCODER piggy-back on one CORE
module
p = 0 - indicates no VOCODER piggy-back
Synchronization -
GPS receiver
Gr
r = 1 - indicates one GPS receiver piggy-back on one CORE
module (Master)
r = 2 - indicates two GPS receiver piggy-back on one CORE
module (Master)
r = 0 - indicates no GPS receivers piggy-back
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4. Technical/Environmental Specification
The main characteristic of the device are:
Radio Frequency:
Frequency range 896 – 941 MHz (RX: 896 – 912 MHz; TX: 927-941 MHz)
(for Canadian and US market: RX: 896 ÷ 901 MHz
/ TX: 935 ÷ 940 MHz)
Channel Spacing 12,5 – 25 kHz
(for Canadian and US market: 12,5 kHz only / Authorized
bandwidth 13,6 kHz)
Channel step 5 kHz – 6,25 kHz
RF Power 10 – 110 Watt (step 0,1 dB), continuous transmission
Modulation type Dual mode
Analog FM/PM (EN 300 086 – EN 300 113)
11K0F3E/11K0G3E
16K0F3E/16K0G3E (not valid for Canadian
and US market)
Digital 4FSK (TS 102 361-1,2,3)
7K60FXD/7K60FXE
C4FM
8K10F1D/8K10F1E
CTCSS 67 – 254.1 Hz (step 0,1 Hz)
DCS yes
Antenna connector 50 Ohm
Emission mode Duplex/Simplex
Receiver sensitivity Analog FM (12,5 kHz): -112 dBm @ 20 dB SINAD psofo
Digital 4FSK: -118 dBm @ BER = 5x10-2
Digital C4FM: -118 dBm @ BER = 5x10-2
Power supply:
Input voltage 48 Vdc (35 75 Vdc - galvanically insulated)
Current drain
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Stand-by 0,9 A max @ 48 Vdc
Transmit 7,0 A max @ 48 Vdc
NOTE: current drain values are for fully equipped devices.
Environmental condition:
Operating temperature -30 - +60 °C (-22 - +140 °F)
This is the temperature measured in close proximity to the
device. If the device is mounted in a cabinet, the temperature
within the cabinet is measured.
Humidity should not exceed 90% relative humidity @ 50°C (122°F) non
condensating
Air Quality For equipment operating in an environmentally controlled
environment with repeater(s) rack mounted, the airborne
particle level must not exceed 25 μg/m³.
For equipment operating in an area which is not
environmentally controlled (repeater(s) cabinet mounted), air
borne particle level must not exceed 90 μg/m³.
Equipment Ventilation the repeater is equipped with two cooling fans that are used to
provide forced convection cooling. Customer-supplied
cabinets must be equipped with ventilation slots or openings
in the front (for air entry) and back or side panels (for air to
exit). If several repeaters are installed in a single cabinet, be
sure ventilation openings surround each repeater to allow for
adequate cooling. A minimum of ½ RU (4,4 cm – 0,8 inches)
must be left among devices installed in the same cabinet.
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5. Device Assembly and composition
Front overview.
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Rear overview.
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5.1 Position of the connectors and switches
5.1.1 Archetype
Front view:
Rear view:
GPS antenna
AUX Serial port
LAN port
4W(+E/M) local port
Main Serial port
48 Vdc input
RF RX antenna
RF TX antenna
I/O port
RF RX antenna diversity
Loudspeaker
Microphone/AF test
RBS Power on/off switch
Antistatic contact
Main Power on/off switch
I/O port
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6. Installation
6.1 Overview
The device can be shipped preinstalled in a cabinet or not. If it is not shipped preinstalled in a cabinet,
after unpacking, mechanical installation takes place, followed by electrical connections as described in
this document. The device may be installed in any location suitable for electronic communications
equipment, provided that the environmental conditions do not exceed the equipment specifications for
temperature, humidity, and air quality and that the access to that location is restricted as described
below:
_________________________________________________________________________
- access can only be gained by service persons or by users who have been instructed about
the reasons for the restrictions applied to the location and about any precautions that be
taken; and
- access is through the use of a tool or lock and key, or other means of security, and is
controlled by the authority responsible for the location
_________________________________________________________________________
6.1.1 Installation Pre-requisites
To ensures the best possible performance and reliability of the described equipment pre-installation
planning is required. This includes considering the mounting location of the repeater in relation to input
power and antennas. Also to be considered are site environment conditions, the particular mounting
method and required tools and equipment.
_________________________________________________________________________
To plan the installation, please pay particular attention to environmental condition at the site;
ventilation requirements, grounding and lightning protection as described in this manual.
_________________________________________________________________________
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After that, following the instruction given in this manual:
Unpack and inspect the equipment.
Mechanical install the equipment at the site.
Make necessary electrical wiring:
- Unit Grounding
- DC/DC input cabling
- Coaxial cables to transmit and receive antennas
Perform a post-installation function checkout test of the equipment to verify proper
installation.
Proceed to customize the repeater parameters per customer specifications (e.g.
operating frequency, PL, codes, color code, etc.)
6.1.2 Unpack
Inspect the equipment for damage immediately after unpacking and make a report of the extent of any
damage to the transportation company and to Selex ES S.p.A.
The following items are packed together:
ECOS-D A2T Radio Base Station
DC power cable
This manual
6.1.3 Mechanical installation
The device is shipped in a box. Upon delivery, the equipment must be removed from the container
(see Unpack section) and transferred to a rack or cabinet if not provided.
If the device is supplied without a cabinet it is designed to be fitted in a 19” cabinet using 3 RU of
space.
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M6 screws
Customer-supplied cabinets and racks must have mounting rail and hole spacing compatible with EIA
Universal 48.3 cm (19 inches) specifications. Cabinets must provide adequate ventilation and must
meet the following criteria:
45.0 cm (17.71 inches) deep
48.3 cm (19 inches) wide
13.4 x 3 cm (15.75 inches) high
Two mounting rails 5 cm (2 inches) from front cabinet with front mounting holes 5.7 cm (2.25
inches) apart (center to center).
The front of the device is provided with four holes for M6 screws (highlighted above in green) for each
level. This permits to fasten the device to a 19” rack by means of 4 M6 screws for each level.
If several devices are installed in a single cabinet, be sure equipment have to be spaced at least by
1/2 RU (2,2 cm, 0,8 inches).to allow for adequate cooling.
Cabinets must have a least 15 cm (6 inches) of open space between the air vents and any wall or
other cabinets. This allows adequate air flow.
When multiple cabinets (each equipped with several repeaters) are installed in an enclosed
area, ensure appropriate ventilation and consider air conditioning or other climate control
equipment to satisfy the temperature requirements.
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6.1.4 Electrical wiring
The electrical wiring must be done using appropriate cables thus assuring the equipment responds to
the electromagnetic compatibility standards.
The cable terminates to flying connectors which have to be connected to the corresponding
connectors on the equipment rear panel.
_________________________________________________________________________
The connector of the power cable supplied with the product is the means to disconnect
the device from the power source.
_________________________________________________________________________
Position and pin–out of the equipment connectors are available in the appropriate section in the
following of this document.
6.1.5 Unit grounding
_________________________________________________________________________
The device is equipped with a protection ground nut located on the lateral side panel of the
device and identified by a label.
_________________________________________________________________________
This nut must be used for a direct connection of the device to the site grounding, even if the device is
included in a cabinet. All antenna cables and DC power cabling should be properly grounded and
lightning protected. Failure to provide proper lightning protection may result in permanent damage to
the radio equipment.
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Figure 5 Ground screw
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
Ground
M6 nut
Note. Resistance between ground terminal and other metallic parts of the device verified applying
between the two sides a current of 32 A for 4 minutes.
Protection
ground
connection
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6.2 Power supplies interfaces
6.2.1 48 Vdc input
Use the connector marked in red to connect RBS to the output of the 48 VDC power supply. Each
level must be connected separately the 48 VDC power supply. The RBS is galvanically insulated..
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
Power supply 35 – 75 Vdc
Polarised SUB–D 3W3 female
connector
sq.mm. (for length < 6 m)
D-SUB 3W3 female pinout
PIN
(soldering side view)
A1
Negative voltage
A2
Not used
A3
Positive voltage
Hereafter the power cable supplied with the 48 Vdc powered device is shown. The cable is provided
with D-SUB 3W3 female connector and a 30A fuse.
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The 48Vdc Back Card hosts three 10A fuses. Position of FU1, FU2 and FU3 is indicated in the figure
below.
Electrical characteristics of the fuses are described in the table below.
Ampere rating (A)
Voltage rating (V)
Nominal Melting (I2 A2 Sec.)
10
125
26.46
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The ‘base board’ within the SWITCH module hosts two 15A fuses. Position of FU2 and FU3 is
indicated in the figure below.
Electrical characteristics of the fuses are described in the table below.
Ampere rating (A)
Voltage rating (V)
Nominal Melting (I2 A2 Sec.)
15
65
97.82
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6.3 Radio Interfaces
6.3.1 TX N type connector
In RBS without branching and using duplex mode of operation connect the transmitter cable to the “TX
OUT” connector as shown in the following figure.
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
TX Antenna
N male connector
50 ohm coaxial cable with
double shield
RF TX OUT
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6.3.2 RX N type connector
In RBS without branching and using duplex mode of operation connect the transmitter cable to the
“RX IN” connector as shown in the following figure.
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
Antenna
N male connector
50 ohm coaxial cable with
double shield
RF RX IN
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6.3.3 Diversity receivers interfaces - Dual BNC type connector
For applications with receiver diversity the connection to the antenna, through appropriate branching,
is achieved through connectors labeled "RX1 OUT" and "RX2 OUT" as shown in the following figure.
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
Antenna
BNC male connector
50 ohm coaxial cable with
double shield
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6.4 Line interfaces
6.4.1 4W and 4W+E/M Link
If the RBS is equipped with a LIF module, on the rear panel, 4 4W+E/M connectors are present. The
following figure shows the rear panel of the LIF module. Configuration of the feature of this four links is
out of the scope of this manual. The electrical interface is described in this section. Usually these AF
links are used to establish RBS to RBS links or RBS to RNFE links.
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
4W or 4W+E/M Link port
RJ45 male connector
AWG 24 Category 5
4x 4W or 4W(+E/M)
Link
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4W+E/M line RJ45 female pinout
PIN
1
Mouth (M+)
2
Mouth (M-)
3
Ear (E+)
4
AF_OUT (-)
5
AF_OUT (+)
6
Ear (E-)
7
AF_IN (-)
8
AF_IN (+)
4W+E/M and 4W line usage
PIN
4W+E/M
4W
1
M (+)
Mouth signal +
not connected
2
M (-)
Mouth signal -
not connected
3
E (+)
Ear Signal +
not connected
4
AF_OUT (-)
600 Ohm Balanced OUT AF
600 Ohm Balanced OUT AF
5
AF_OUT (+)
600 Ohm Balanced OUT AF
600 Ohm Balanced OUT AF
6
E (-)
Ear Signal -
not connected
7
AF_IN (-)
600 Ohm Balanced IN AF
600 Ohm Balanced IN AF
8
AF_IN (+)
600 Ohm Balanced IN AF
600 Ohm Balanced IN AF
E/M pin usage
PIN
Balanced
Unbalanced
1
M (+)
Mouth signal +
Mouth signal
2
M (-)
Mouth signal -
not connected
3
E (+)
Ear Signal +
Ear Signal
6
E (-)
Ear Signal -
not connected
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4W cabling example: link between RBS A and RBS B
RJ-45, RBS A side
RJ-45, RBS B side
M (+)
1
Not connected
Not connected
1
M (+)
M (-)
2
Not connected
Not connected
2
M (-)
E (+)
3
Not connected
Not connected
3
E (+)
AF_OUT (-)
4
White-blue
White-orange
4
AF_OUT (-)
AF_OUT (+)
5
Blue
Orange
5
AF_OUT (+)
E (-)
6
Not connected
Not connected
6
E (-)
AF_IN (-)
7
White-orange
White-blue
7
AF_IN (-)
AF_IN (+)
8
Orange
Blue
8
AF_IN (+)
E/M Hardware Line settings
All the E/M signals share a common voltage reference. The four Mouth signals may be hardware
configured independently. The four Ear signals share the same hardware configuration in couple of
lines. For unbalanced settings connect the two communicating entities to the same ground.
E/M Type I Interface Model
E/M Type I is the original E/M lead signaling arrangement and it is the most common interface type in
North America. The following diagram displays the sent signal states for active/not active signaling.
The RBS grounds its M−lead to signal a seizure. The other device applies battery to its M−lead to
signal a seizure. The RBS expects to see active conditions on the E−lead and signal active to the
remote device on M−lead.
E/M Type II Interface Model
E/M Type II provides a four−wire fully−looped arrangement that provides full isolation between the
trunks and signaling units. The following table displays the sent signal states for active/not active
signaling. The RBS grounds its M−lead to signal a seizure. The other device applies battery to its
M−lead to signal a seizure. The RBS expects to see active conditions on the E−lead and signal active
to the remote device on M−lead.
RBS side
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E/M Type V Interface Model
E/M Type V interface is a symmetrical two−wire lead arrangement that signals in both directions by
means of open for not active and ground for active signalling. The following table displays the sent
signal states for active/not active signaling. The RBS grounds its M−lead to signal a seizure. The other
device applies battery to its M−lead to signal a seizure. The RBS expects to see active conditions on
the E−lead and signal active to the remote device on M−lead.
E/M Proprietary Type Interface Model
E/M Proprietary Type provides a four−wire fully−looped arrangement that provides full isolation
between the trunks and signaling units. The following table displays the sent signal states for
active/not active signaling. The RBS grounds its M−lead to signal a seizure. The other device applies
battery to its M−lead to signal a seizure. The RBS expects to see active conditions on the E−lead and
signal active to the remote device on M−lead.
M+
M-
E+
E-
M+
M-
E+
E-
+48v
RBS side
RBS side
RBS side
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30
E/M Hardware settings
Type I
(Unbalanced)
Type II
(Balanced)
Type V
(Unbalanced)
proprietary
(Balanced)
IP3
1
voltage
reference
ON
OFF
OFF
ON
2
ON
OFF
OFF
ON
IP5
1
OFF
ON
ON
OFF
2
OFF
ON
ON
OFF
IP6
1
E line 3&4
ON
OFF
ON
OFF
2
E line 1&2
ON
OFF
ON
OFF
IP7
1
M line 2
ON
OFF
ON
OFF
2
M line 1
ON
OFF
ON
OFF
IP8
1
M line 4
ON
OFF
ON
OFF
2
M line 3
ON
OFF
ON
OFF
Back card deep switch positioning
Where, in the equipment described in this document, a 4 wires interface towards a common
communication network is used, it is mandatory to use 4 (four) different copper pairs: two of them are
IP3
IP5
IP7
IP8
IP6
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31
used to transfer from one to the other RBS the user payload and two of them are optionally used to
transfer E and M criteria.
All the signals are exchanged using a balanced type of connection, avoiding any ground reference.
For the two copper pairs used for exchanging the user payload, the impedance of the interface is 600
Ohm.
The characteristics of the pairs must be as follows:
Amplitude:
Amplitude characteristic of the media must comply with FIGURE 2/G.712 (ITU-T Rec.G.712 page 8).
The mask is shown below. Anyway in the audio band from 300 Hz to 3400 Hz the response must be
+/- 1,5 dB with respect to the nominal level of –10 dBm.
0200 300 1020 2400 3000 3400 3600 Hz
dB
T1511850-02
0
–0.5
0.5
0.9
1.8
Loss
(see Note)
Frequency (f )
NOTE – In some applications in which several PCM channels may be connected in tandem, it may be
necessary to extend the +0.5 dB limit from 2400 Hz to 3000 Hz.
Group delay:
Group delay characteristic of the media must comply with FIGURE 6/G.712 (ITU-T Rec.G.712 page
10). The mask is shown below.
1000 2600 Hz
ms
0
T1511890-02
500 600 2800
0.25
0.75
1.50
Group delay distortion
Frequency (f)
Insertion loss:
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The insertion loss must be 0dB +/- 3 dB. This must be true also with regard to the aging of the media
physically used.
Noise:
The characteristic of the media must comply with prescriptions contained in chapter 9 (noise) of book
III.4-Rec.G.792 page 4 and following.
Diaphony:
The pairs of the media used to transport the user payload must have a diaphony attenuation greater
than 40 dB.
E/M time response:
The response time of E/M criteria must be less than 100 msec.
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33
6.4.2 E1 coax Link
If the RBS is equipped with a DIF module on the rear panel 4 E1 connectors are present. The
following figure shows the rear panel of the DIF module. Configuration of the four links is out of the
scope of this manual. Usually these E1 link are used to establish RBS to RBS links or RBS to RNFE
links.
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
E1 link
1.0/2.3 male connector
75 ohm coaxial cable with
double shield
Where, in the equipment described in this document, a E1 interface towards a common backbone is
envisaged, in the followings the backbone features to be assured in order to make the ECOS-D
simulcast networks to work properly are described:
backbone must work in PDH/SDH technology with E1 stream (no TCP/IP – ethernet, fast
ethernet – packet switched connections can be used to carry communications)
backbone must guarantee:
fixed delay (max 20msec end-to-end)
Jitter must satisfy ITU-T G.823
Wander < ± 1 µsec
E1 coax Link
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34
backbone device interface requirements:
Payload: E1 (2.048 Kbit/s) ITU-T G.703, coax 1.0/2.3 75Ohm or RJ45 120Ohm;
Frame: ITU-T G.704
E1 links must support CAS signaling in TS16
E1 links must transparently transport channel Sa-4 in TS0
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35
6.4.3 AF in/out
If the RBS is equipped with a CORE back card module a 4W+E/M link if available. The following figure
shows the rear panel of the CORE module. Configuration of this AF link is out of the scope of this
manual. Usually it is used to provide an AF signal to a third party audio device.
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
4W or 4W+E/M Link
RJ45 male connector
AWG 24 Category 5
AF 4W+E/M line RJ45 female pinout
PIN
1
Mouth (M+)
2
Mouth (M-)
3
Ear (E+)
4
AF_OUT (-)
5
AF_OUT (+)
6
Ear (E-)
7
AF_IN (-)
8
AF_IN (+)
Link to external AF
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36
4W+E/M line usage
PIN
4W+E/M
1
M (+)
Mouth signal +
2
M (-)
Mouth signal -
3
E (+)
Ear Signal +
4
AF_OUT (-)
600 Ohm Balanced OUT AF
5
AF_OUT (+)
600 Ohm Balanced OUT AF
6
E (-)
Ear Signal -
7
AF_IN (-)
600 Ohm Balanced IN AF
8
AF_IN (+)
600 Ohm Balanced IN AF
E/M pin usage
PIN
Balanced
Unbalanced
1
M (+)
Mouth signal +
Mouth signal
2
M (-)
Mouth signal -
not connected
3
E (+)
Ear Signal +
Ear Signal
6
E (-)
Ear Signal -
not connected
E/M Hardware Line settings
The four Mouth signals share the same hardware configuration. The four Ear signals share the same
hardware configuration. For unbalanced settings connect the two communicating entities to the same
ground.
E/M Type I Interface Model
E/M Type I is the original E/M lead signaling arrangement and it is the most common interface type in
North America. The following diagram displays the sent signal states for active/not active signaling.
The RBS grounds its M−lead to signal a seizure. The other device applies battery to its M−lead to
signal a seizure. The RBS expect to see active conditions on the E−lead and signal active to the
remote device on M−lead.
RBS side
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37
E/M Type II Interface Model
E/M Type II provides a four−wire fully−looped arrangement that provides full isolation between the
trunks and signaling units. The following table displays the sent signal states for active/not active
signaling. The RBS grounds its M−lead to signal a seizure. The other device applies battery to its
M−lead to signal a seizure. The RBS expect to see active conditions on the E−lead and signal active
to the remote device on M−lead.
E/M Type V Interface Model
E/M Type V interface is a symmetrical two−wire lead arrangement that signals in both directions by
means of open for not active and ground for active signalling. The following table displays the sent
signal states for active/not active signaling. The RBS grounds its M−lead to signal a seizure. The other
device applies battery to its M−lead to signal a seizure. The RBS expect to see active conditions on
the E−lead and signal active to the remote device on M−lead.
E/M Proprietary Type Interface Model
E/M Proprietary Type provides a four−wire fully−looped arrangement that provides full isolation
between the trunks and signaling units. The following table displays the sent signal states for
active/not active signaling. The RBS grounds its M−lead to signal a seizure. The other device applies
battery to its M−lead to signal a seizure. The RBS expect to see active conditions on the E−lead and
signal active to the remote device on M−lead.
M+
M-
E+
E-
RBS side
RBS side
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38
E/M Hardware settings
Type I
(Unbalanced)
Type II
(Balanced)
Type V
(Unbalanced)
proprietary
(Balanced)
IP1
1
ON
OFF
OFF
ON
2
ON
OFF
OFF
ON
IP2
1
OFF
ON
ON
OFF
2
OFF
ON
ON
OFF
IP3
1
OFF
OFF
OFF
OFF
2
ON
OFF
ON
OFF
Back card deep switch positioning
M+
M-
E+
E-
+48v
IP1
IP2
IP3
RBS side
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6.4.4 LAN Interface
The LAN Interface is a 10BASE-T 100BASE-TX autosensing Ethernet interface with a standard RJ45
connector. Connect it to a hub/switch to provide LAN access to the feature of the RBS. Available
features depend on the settings of the RBS.
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
LAN
RJ45 male connector
AWG 24 Category 5
LAN RJ45 female pinout
PIN
1
RX+
Receive Data +
2
RX-
Receive Data -
3
TX+
Transmit Data +
4
not used
5
not used
6
TX-
Transmit Data -
7
not used
8
not used
LAN port
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LAN RJ45 male cabling
PIN
EIA/TIA 568A
EIA/TIA 568B
1
TX+
White/Green
White/Orange
2
TX-
Green
Orange
3
RX+
White/Orange
White/Green
4
Blue
Blue
5
White/Blue
White/Blue
6
RX-
Orange
Green
7
White/Brown
White/Brown
8
Brown
Brown
To connect the RBS to an Ethernet hub/switch use a straight cable (EIA/TIA 568A or EIA/TIA 568B on
both ends).
To connect the RBS directly to an Ethernet host use a cross cable (EIA/TIA 568A on one end and
EIA/TIA 568B on the other end).
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6.4.5 Serial Interface
The Serial Interface is an RS232 interface with a standard female type D DCE connector. Connect it to
a DTE to provide serial access to the RBS. Available features depend on the settings of the RBS.
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
RS232
Male type D connector with 9
pins and shielded holder
9 conductor cable with double
brass sheath type interconductor
Serial Interface
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42
RS232
RS232 standards are defined by EIA/TIA (Electronic Industries Alliance /Telecommunications Industry
Association). RS232 defines both the physical and electrical characteristics of the interface. RS232 is
an Active LOW voltage driven interface and operates at +12V to -12V. RS232 is a serial interface for
the transmission of point to point digital data. Description of the connector’s pins is from DTE to DCE.
The RBS acts as a DCE.
RS232 female pinout
PIN
Mean
1
not used
2
RX
Data from DCE to DTE
3
TX
Data from DTE to DCE
4
not used
5
GND
Ground
6
not used
7
RTS
Ready To Send (from DTE)
8
CTS
Clear To Send (to DTE)
9
not used
Complete RS232 female pinout (only on request)
PIN
Mean
1
not used
2
RX
Data from DCE to DTE
3
TX
Data from DTE to DCE
4
DTR
Data Terminal Ready (from DTE)
5
GND
Ground
6
DSR
Data Set Ready (to DTE)
7
RTS
Ready To Send (from DTE)
8
CTS
Clear To Send (to DTE)
9
not used
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43
6.4.6 Auxiliary Serial Interface
The Auxiliary Serial Interface is an optional RS232, RS422 or RS485 interface with a standard female
type D DCE connector. Connect it to a DTE to provide serial access to the RBS. Available features
depend on the settings of the RBS.
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
RS232 RS422 RS485
Male type D connector with 9
pins and shielded holder
9 conductor cable with double
brass sheath type interconductor
Pinout of the three tipes of serial interface are described below.
AUX Serial Interface
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RS232
RS232 standards are defined by EIA/TIA (Electronic Industries Alliance /Telecommunications Industry
Association). RS232 defines both the physical and electrical characteristics of the interface. RS232 is
an Active LOW voltage driven interface and operates at +12V to -12V. RS232 is a serial interface for
the transmission of point to point digital data. Description of the connector’s pins is from DTE to DCE.
The RBS acts as a DCE.
RS232 female pinout
PIN
Mean
1
not used
2
RX
Data from DCE to DTE
3
TX
Data from DTE to DCE
4
not used
5
GND
Ground
6
not used
7
RTS
Ready To Send (from DTE)
8
CTS
Clear To Send (to DTE)
9
not used
RS422
RS422 is a balanced serial interface for the transmission of point to point digital data. The advantage
of a balanced signal is the greater immunity to noise. The EIA describes RS422 as a DTE to DCE
interface for point-to-point connections. Description of the connector’s pins is from DTE to DCE. The
RBS acts as a DCE.
RS422 female pinout (only on request)
PIN
Mean
1
GND
Ground
2
TX +
Data from DTE to DCE
3
not used
4
RX +
Data from DCE to DTE
5
GND
Ground
6
not used
7
TX -
Data from DTE to DCE
8
not used
9
RX -
Data from DCE to DTE
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RS485
RS485 is a balanced serial interface for the transmission of digital data. The advantage of a balanced
signal is the greater immunity to noise. Point to point or multi-point behaviour of this serial interface is
software dependent and is out of the scope of this manual. Description of the connector’s pins is from
DTE to DCE. The RBS acts as a DCE.
RS485 female pinout (only on request)
PIN
Mean
1
not used
2
RTX +
Data
3
not used
4
not used
5
GND
Ground
6
not used
7
RTX -
Data
8
not used
9
not used
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6.4.7 Digital Input/Output Interface
The RBS manages 4 digital outputs. The connector is located on the rear of the RBS and is shown in
red in the following figure.
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
User I/O
Socket block B2L 3.5/20LH
Section of each wire ≤
sq.mm. (AWG 18)
I/O Socket block B2L male pinout
type
contact
out
1
power supply alarm (*)
out
2
temperature alarm (*)
out
3
synchronization alarm (*)
out
4
RF power alarm (*)
in
1
not used
in
2
not used
in
3
not used
in
4
not used
in
A1
not used
in
A2
not used
I/O Interface
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(*) The meaning of the digital outputs depends on the firmware release of the RBS.
In the shown example the meaning is as follows:
Output 1: power supply alarm. When the RBS is supplied from battery the output is closed.
Output 2: RBS temperature alarm. When the temperature is over a defined maximum value the
output is closed.
Output 3: RBS synchronization alarm. When the RBS loses synchronisation the output is closed.
Output 4: RF power alarm. When the PA transmitting power is 3 dB below the right power level the
output is closed.
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6.4.8 Local Microphone Interface
The local microphone interface permits to connect a microphone to the RBS. Features related with
PTT press and the AF of the microphone are out of the scope of this manual.
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
Microphone
Male type D high density
connector with 15 pins
Section of each wire ≤
sq.mm. (AWG 18)
Microphone
Local Microphone Interface
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D-SUB HD 15 female pinout
PIN
Mean
(soldering side view)
1
GND
Ground
2
not used
3
not used
4
not used
5
not used
6
AF in
Audio Frequency input to RBS
7
not used
8
not used
9
not used
10
not used
11
PTT
Push To Talk input to RBS
12
not used
13
DGND
Digital Ground
14
not used
15
VDD
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7. Configuration
The hardware configuration, where applicable, is described in the installation section of this manual.
Hardware configuration is limited only to hardware related characteristics such as electrical interfaces.
A parameter configuration must be done to adjust each device to the user need. This procedure is
described in the manual of the configuration software. Please refers to it for more information.
A list of values for each parameter for each device is provided in a separate document on demand.
Please refer to it to set the proper value for each parameter.
To connect the PC with the configuration software to the RBS follow the procedure described in the
Local Maintenance Interface section.
8. Maintenance
8.1 Module features, alarms and troubleshooting
8.1.1 CORE module - CORE
The CORE module, for its versatility and potentiality, is the core of ECOS-D RBS.
This module is equipped with devices for numerical computation (DSP, FPGA) and
control (microprocessor).
The primary functionalities of the Core Module are:
MMI (Man Machine Interface) to allow an operator to interact with the
device
Main Simulcast Management, implementing the voting algorithm,
equalization and a matrix of AF signals.
local and remote management of the device.
The module is able to receive the input reference source from multiple clock signals:
Internal GPS receiver (up to 2)
AF tone (eg, tone at 3400 Hz via from an external source through LIF or DIF module)
2,048 MHz (G.703)
The choice of input clock signal is performed according to a configurable logic that normally assigns
higher priority to the GPS signal.
The module provides as its output the following clock signals to all the other modules of the RBS:
RBS main reference clock (26 MHz)
PPS main and / or spare
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The CORE module can accommodate also two option boards:
The SoIP piggy back (Simulcast over IP) that allows the CORE module to manage IP link
towards other RBS
The Vocoder piggy back, that allows the CORE module to manage the digital voice
The CORE MMI makes available to a technical operator the following functionalities.
Radio frequencies settings (RX e TX);
RF transmission power settings (Hi / Low);
Enable / disable of input/output lines (radio and wired);
Speak and listen on selectable interfaces;
Measures:
o power supply (V);
o RSSI (dBm);
o RF transmit power (dBm);
voted signal;
Selection and management of Audio Frequency (AF) signals for test purposes;
Lock / unlock of voice in local speaker (radio squelch or criterions);
Speaker volume setting;
Display brightness setting;
Menu language setting;
The MMI is composed by a 8 characters display (each character is 5 x 7 pixels) and a Keypad
The keypad is composed by 16 buttons: SQ (Squelch), Fn (Function), +, -, , C (cancel) and 0 ÷ 9. In
the following a brief summary of their use is given.
SQ Use it to open/close the analog squelch of the device
Fn Use it to switch between stand-by mode and menu mode.
+ / - These are multi-function buttons: they are used for navigation in menu, to up and down
speaker volume and display brightness.
in menu mode use it to confirm the choice.
C In menu mode use it to go back to previous menu.
0 ÷ 9 In menu mode use them to insert the value of parameters where required
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The menu tree is described in the following table.
Menu level
1
2
3
4
5
1. Settings
1. Radio
1. View Freq.
RTX
1. Freq.RX
2. Freq.TX
RRX
1. Freq.RX1
2. Freq.RX2
2. RF Power
PA
1. Low
2. Hi
2. Display
1. Brightn.
2. Language
Italiano
English
3. Network
1. IP Address
2. Net mask
2. Spk/Lstn
1. RTX
LIF
1. L1
2. L2
3. L3
4. L4
2. DIF
1. L1
2. L2
3. L3
4. L4
3. CORE
3. Commands
1. Inhibit
RTX
1. RX
ON
OFF
2. TX
ON
OFF
RRX
1. RX1
ON
OFF
2. RX2
ON
OFF
LIF
1. L1
ON
OFF
2. L2
ON
OFF
1. L3
ON
OFF
2. L4
ON
OFF
2. Voice
1. Digital
1. TS 1
2. TS 2
2. Analog
3. Stb. Inf.
4. Measure
1. RSSI
RTX
2. DC
3. Voter
4. RF Power
PA
5. IP Link
ON
OFF
5. AF Test
RTX
6. Status
1. Monitor
ON
OFF
2. GPS FIX
M GPS
S GPS
3. Sync. Log
List
Cancel
7. Diagnostic
1. Monitor
ON
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Menu level
1
2
3
4
5
OFF
2. Err Log
List
Cancel
8.1.2 4 Lines Interface module – LIF
The "4 Lines Interface” (LIF) module is the module that is able to manage up to 4 lines with
4W interface + (E&M). This module is equipped with devices for numerical computation
(DSP, FPGA) and control (microprocessor) combined with the electrical interfaces for the 4
wires lines.
The “Line Interface” (LIF) module is also able to manage redounded links over the 4 wires
interfaces.
4 wires interfaces are used by the device to connect this Radio Base Station to up to other 4
Radio Base Stations to build a Simulcast network.
The front panel is provided with bi-color leds to help in troubleshooting the system. The table
below describes the meaning of the leds:
LED
Color
Label
Description
1
Green
Line 1 RX
Line 1 on RX
Red
Line 1 TX
Line 1 on TX
2
Green
Line 2 RX
Line 2 on RX
Red
Line 2 TX
Line 2 on TX
3
Green
Line 3 RX
Line 3 on RX
Red
Line 3 TX
Line 3 on TX
4
Green
Line 4 RX
Line 4 on RX
Red
Line 4 TX
Line 4 on TX
5
Green
Status1
Red
DATA bus fail
failure MTCH of DSP
6
Green
Status2
Red
Logic fail
µP and DSP not communicate
7
Green
CTRL bus busy
Activity on Control Bus
Red
CTRL bus fail
failure of BUS µP
8
Green
Upload
Ongoing download code
Red
Upload Fail
Download code KO
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8.1.3 Digital Interface module – DIF
The "Digital Interface” (DIF) module is the module that is able to manage up to 4 digital E1
streams. This module is equipped with devices for numerical computation (DSP, FPGA) and
control (microprocessor) combined with the electrical interfaces for the E1 streams.
The DIF module is also able to provide cross-connect and add / drop functionality over the 4
E1 streams.
The DIF module is the digital interface of the RBS with the outside world. As already said it
handles the digital aggregated flows (compliant to E1 G.703/G704 standard). These link are
used to carry voice and data information to / from other RBS to build a Simulcast network.
The device makes use of one of the 30 channels (64 kbit/s) available in a 2,048 Mb/s E1 for
communications with other RBS and makes them available inside the station. The module
has also the cross-connect and add / drop functionalities, being able to redirect all the 120 channels
according to a predetermined matrix.
The front panel is provided with bi-color leds to help in troubleshooting the system. The table below
describes the meaning of the leds:
LED
Color
Label
Description
1
Green
E1/T1 1
E1/T1 #1 link enabled and correctly operating
Red
Fail 1
E1/T1 #1 link enabled and LOS alarm is present
Red blink
Fail 1
E1/T1 #1 link enabled and LOF or LOFAS or BER > FW defined threshold
alarm is present
2
Green
blink
S1
E1/T1 #1 used as sync reference
Red
Rem fail 1
E1/T1 #1 link enabled and AIS alarm is present
Red blink
Rem fail 1
E1/T1 #1 link enabled and RAI or RAI-AS alarm is present
3
Green
E1/T1 2
E1/T1 #2 link enabled and correctly operating
Red
Fail 2
E1/T1 #2 link enabled and LOS alarm is present
Red blink
Fail 2
E1/T1 #2 link enabled and LOF or LOFAS or BER > FW defined threshold
alarm is present
4
Green
blink
S2
E1/T1 #2 used as sync reference
Red
Rem fail 2
E1/T1 #2 link enabled and AIS alarm is present
Red blink
Rem fail 2
E1/T1 #2 link enabled and RAI or RAI-AS alarm is present
5
Green
E1/T1 3
E1/T1 #3 link enabled and correctly operating
Red
Fail 3
E1/T1 #3 link enabled and LOS alarm is present
Red blink
Fail 3
E1/T1 #3 link enabled and LOF or LOFAS or BER > FW defined threshold
alarm is present
6
Green
blink
S3
E1/T1 #3 used as sync reference
Red
Rem fail 3
E1/T1 #3 link enabled and AIS alarm is present
Red blink
Rem fail 3
E1/T1 #3 link enabled and RAI or RAI-AS alarm is present
7
Green
E1/T1 4
E1/T1 #4 link enabled and correctly operating
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Red
Fail 4
E1/T1 #4 link enabled and LOS alarm is present
Red blink
Fail 4
E1/T1 #4 link enabled and LOF or LOFAS or BER > FW defined threshold
alarm is present
8
Green
blink
S4
E1/T1 #4 used as sync reference
Red
Rem fail 4
E1/T1 #4 link enabled and AIS alarm is present
Red blink
Rem fail 4
E1/T1 #4 link enabled and RAI or RAI-AS alarm is present
9
Green
Blink
Status 1
In a RBS with an upper E1 link when E1 link is out of service and the Radio
local loop is enabled
Red
Data bus fail
The multichannel data bus is out of frame sync
10
Green
Status 2
All the enabled channel on the E1 link arriving to the RBS are equalized
Red
Logic fail
One of the these error is present:
- DSP/uP/FPGA communication failure
- FALC hardware failure
- logic PLL unlock
Red blink
Logic fail
One of the these error is present:
- boot failure
- EEPROM failure
11
Green
Control bus busy
Activity on the control bus
Red
Control bus fail
control bus among the modules is in failure
Red blink
Control bus fail
Bad message received
12
Green
Upload
Firmware upload in progress
Red
Upload fail
Firmware upload failed
8.1.4 Double Radio Receiver module – RRX
The “Double Radio Receiver” (RRX) module module realizes a full duplex radio that work in
the following frequency band commonly used in the LMR/PMR market: 896 ÷ 912 MHz.
It is able to operate with channel spacing of 12.5 kHz, 20/25 kHz.
Limitation on usable RF bands and channel spacing may apply due to local regulations.
This module is equipped with devices for numerical computation (DSP, FPGA) and control
(microprocessor) combined with the radio receiver front-end and the transmitter driver.
The RRX module main functionalities are:
Synchronization from external reference via CORE Master module
Temperature control.
Space Diversity
The front panel is provided with bi-color leds to help in troubleshooting the system. The table below
describes the meaning of the leds:
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LED
Color
Label
Description
1
Green
RX1 busy
RF signal present at the receiver 1
Red
RX1 fail
Receiver 1 PLL unlock
Red blink
RX1 fail
RX1 Equalizer failure
2
Green
RX2 busy
RF signal present at the receiver 2
Red
RX2 fail
Receiver 2 PLL unlock
Red blink
RX2 fail
RX2 Equalizer failure
3
Green
Status 1
RF signal with analog modulation present at the receiver 1
Red
RX1 inhibit
Receiver 1 is in inhibited state
4
Green
Status 2
RF signal with analog modulation present at the receiver 2
Red
RX2 inhibit
Receiver 2 is in inhibited state
5
Green
Status 3
Reserved
Red
Data bus fail
The multichannel data bus is out of frame sync
6
Green
Status 4
Reserved
Red
Logic fail
One of the these error is present:
- DSP/uP communication failure
- logic PLL unlock
Red blink
Logic fail
One of the these error is present:
- boot failure
- EEPROM failure
7
Green
Control bus busy
Activity on the control bus
Red
Control bus fail
control bus among the modules is in failure
Red blink
Control bus fail
Bad message received
8
Green
Upload
Firmware upload in progress
Red
Upload fail
Firmware upload failed
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57
8.1.5 Switch module – SWITCH
The Switch module realizes a "solid state" switch (MOSFET) device for the distribution of the
power necessary for the proper working of all the modules of the ECOS-D RBS. In particular
its primary task is to distribute the 13.2 Vdc nominal voltage (Master voltage) and 7 Vdc
nominal voltage (Slave voltage).
The 7 Vdc Slave voltage is used by all the other modules to power their logic. It is generated
by the switch module for direct conversion from the 13.2 Vdc Master voltage.
The switch module provides:
ON / OFF of all the modules on the same RBS
Protection against Extra Current (short circuit or overload > 22 A ± 5%)
Protection against Extra voltage (maximum input voltage equal to 30 Vdc ± 5%)
Protection against voltages outside the guaranteed operating range [10.8 15.6 Vdc].
Protection against reverse polarity input voltage.
Protection against over temperature inside the module itself (≥ 100 ° C ± 1%).
The front panel is provided with bi-color leds to help in troubleshooting the system. The table below
describes the meaning of the leds:
LED
Color
Label
Description
1
Green
Vin OK
Normally operating
Red
Vin fail
Input voltage out of range
2
Green
Vout ok
RBS internal voltage levels are correct
Red
Vout fail
RBS internal voltage failure
3
Green
Control bus busy
Activity on the control bus
Red
Control bus fail
control bus among the modules is in failure
Red blink
Control bus fail
Bad message received
4
Green
Upload
Firmware upload in progress
Red
Upload fail
Firmware upload failed
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58
8.1.6 DC/DC module – DC/DC
The DC/DC module is a continue power voltage converter from an external
power source (range Vin= 35 ÷ 75 Vdc) to the internal power level of ECOS-D
devices. The converter, other than the power voltage conversion, is able to
galvanically insulate (1500Vrms) the internal 13,2 Vdc power distribution from
the external power source and a 28 Vdc power distribution to the 110W PA
module.
LED
Color
Label
Description
1
Green
Vout OK
Normally operating
Red
NA
2
Green
Vin OK
Normally operating
Red
NA
8.1.7 Radio Receiver and Transmitter module – RTX
The “Radio Receiver and Transmitter” (RTX) module realizes a full duplex radio that work in
the following frequency band commonly used in the LMR/PMR market: 896 ÷ 941 MHz.
It is able to operate with channel spacing of 12.5 kHz, 20/25 kHz.
Limitation on usable RF bands and channel spacing may apply due to local regulations.
This module is equipped with devices for numerical computation (DSP, FPGA) and control
(microprocessor) combined with the radio receiver front-end and the transmitter driver.
The RTX module main functionalities are:
Dynamic Dual mode radio operations with support of digital and analog
modulation
Synchronization from external reference via CORE Master module
Temperature control.
radio parameter compliant with: FCC part 90, FCC part 15B and TS 102 361
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The front panel is provided with bi-color leds to help in troubleshooting the system. The table below
describes the meaning of the leds:
LED
Color
Label
Description
1
Green
RX busy
RF signal present at the receiver
Red
RX fail
Receiver PLL unlock
Red blink
RX fail
RX Equalizer failure
2
Green
TX on
RF exciter correctly On Air
Red
TX fail
RF exciter failure:
- bad power out
- ACP failure
- Exciter PLL unlock
Red blink
TX fail
TX dynamic equalizer failure
3
Green
Status 1
RF signal with analog modulation present at the receiver
Red
RX inhibit
Receiver is in inhibited state
4
Green
Status 2
RF exciter correctly On Air with digital modulation
Red
Tx inhibit
Exciter is in inhibited state
5
Green
Status 3
Reserved
Red
Data bus fail
The multichannel data bus is out of frame sync
6
Green
Status 4
Reserved
Red
Logic fail
One of the these error is present:
- DSP/uP communication failure
- logic PLL unlock
Red blink
Logic fail
One of the these error is present:
- boot failure
- EEPROM failure
7
Green
Control bus busy
Activity on the control bus
Red
Control bus fail
control bus among the modules is in failure
Red blink
Control bus fail
Bad message received
8
Green
Upload
Firmware upload in progress
Red
Upload fail
Firmware upload failed
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8.1.8 Power Amplifier module – PA
The “Power Amplifier” (PA) module is a wide band RF amplifier in UHF
frequency band: 896 ÷ 941 MHz.
Their time of TX ramp up/down is less than 1200 μsec. This makes the module
compatible with the stringent demands of digital transmission.
Thanks to a microprocessor mounted on board, the module is able to implement
the PUFF technology (Powerful Universal Forming Function) for the shaping of
transient power in order to obtain compliance with the rapid transient rules of
ACP (Adjacent Channel Power).
The microprocessor also manages completely the operation of the module: this
would remove any calibration procedures. All configuration changes are performed via software.
Other main functionalities are:
continuous transmitter’s operations (100% duty cycle).
Output power selectable between two values (Phi and Plo), each of which can be SW set to
a nominal value between 10 and 110 Watts.
final stage protected against excessive mismatching output power. In the case that VSWR
remains above a set threshold (eg ReturnLoss = 5dB) for more than a fixed time, the
module is able to send an alert and the output power will not exceed a safety value (eg ≤
10watt).
temperature threshold alarm: if the temperature remains above a set value for more than a
fixed time, the module is able to send an alert and will ensure that the RF output power will
not exceed a predetermined safe value.
The front panel is provided with bi-color leds to help in troubleshooting the system. The table below
describes the meaning of the leds:
LED
Color
Label
Description
1
Green
PWR High
High Power level selected and correctly On Air
Red
PWR fail
Emitted power less than a FW configured threshold (3 dB
typical)
2
Green
PWR low
Low Power level selected and correctly On Air
Red
VSWR
On Air and VSWR level is greater than FW configured
threshold
3
Green
Control bus busy
Activity on the control bus
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Red
Control bus fail
control bus among the modules is in failure
Red
blink
Control bus fail
Bad message received
4
Green
Upload
Firmware upload in progress
Red
Upload fail
Firmware upload failed
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62
8.2 Power modules maintenance precaution
Before maintenance operations involving power supply modules the power cable must be removed.
_________________________________________________________________________
The connector of the power cable supplied with the product is the means to disconnect
the device from the power source.
_________________________________________________________________________
If the purpose of the maintenance is the replacement of the SWITCH or DC/DC modules the following
procedure must be followed:
48 Vdc powered devices:
Switch off the device moving to the lower position the Main Power on/off switch, than the
RBS Power on/off switch.
unplug the 48Vdc D-SUB 3W3 connector
Remove the modules as described in section 8.3.
48 VDC input
RBS Power on/off switch
Main Power on/off switch
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63
8.3 Module removal
To remove a module from the RBS follows the procedure described below.
1 – Unscrew the two (or four) screws marked in green on the front panel of the module
2 – From the front side of the RBS using the handle marked in green pull the module out.
Module locking screws
Module handles
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8.4 Back card removal
To remove a back card from the RBS follows the procedure described below.
1 – Unlock the two (or four) knobs marked in green on the panel of the back card
2 – From the rear side of the RBS using the same knobs pull the back card out.
Back cad knobs
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8.5 Local Maintenance Interface
The local maintenance interface is located on the front panel of the RBS on the CORE module.
To perform local Maintenance and local configuration of the RBS, connect a PC to this connector
using the appropriate LAN adapter.
Maintenance LAN Adapter
Local Maintenance Interface
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D-SUB HD 15 female pinout
PIN
Mean
(soldering side view)
1
not used
2
not used
3
not used
4
not used
5
TX-
Transmit Data -
6
not used
7
RX-
Receive Data -
8
not used
9
TX+
Transmit Data +
10
not used
11
not used
12
RX+
Receive Data +
13
DGND
Digital Ground
14
FLP
Front LAN Presence
15
not used
LAN RJ45 female pinout
PIN
1
RX+
Receive Data +
2
RX-
Receive Data -
3
TX+
Transmit Data +
4
not used
5
not used
6
TX-
Transmit Data -
7
not used
8
not used
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8.6 Local Test AF Interface
The local Audio Frequency interface is located on the front panel of the RBS on the CORE module.
Use this interface to test the AF performance of the RBS.
Interconnecting points
Type of connector terminating
the cable
Type of cable/conductor
Microphone
Male type D high density
connector with 15 pins
Section of each wire ≤
sq.mm. (AWG 18)
Local Test AF interface
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D-SUB HD 15 female pinout
PIN
Mean
(soldering side view)
1
GND
Ground
2
AF FO
Audio Frequency Output (no volume)
3
not used
4
AF out -
Audio Frequency output from RBS
5
not used
6
AF in
Audio Frequency input to RBS
7
not used
8
not used
9
not used
10
AF out +
Audio Frequency output from RBS
11
PTT
Push To Talk input to RBS
12
not used
13
DGND
Digital Ground
14
not used
15
VDD
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8.7 Remote Maintenance Interface
The Remote maintenance interface may be accessible directly or not on each RBS depending on the
configuration of the system.
If the RBS is configured to be remotely controlled via the LAN interface; see the LAN interface section
to correctly connect the RBS.
For more information about the remote maintenance procedure see the Network Management System
(NMS) Manual, where supplied.
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70
Intentionally left blank
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71
Information contained in this document may not be used, applied or reproduced for any purpose
unless agreed by Selex ES S.p.A. in writing. Selex ES S.p.A. reserves the right to alter without
notice the specification, design or conditions of supply of any product or service. Selex ES logo is a
trademark of Selex ES S.p.A.
Printed in Italy.
© Selex ES S.p.A. All Rights reserved.