user manual
Installation, configuration and maintenance
ECOS-D Digital Simulcast Technology
Radio Base Station Guide
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REVISION TABLE
Date Revision Comment
21/01/2010 1 First issue
Information contained in this document may not be used, applied or reproduced for any purpose
unless agreed by SELEX Communications S.p.A. in writing. SELEX Communications S.p.A. reserves
the right to alter without notice the specification, design or conditions of supply of any product or
service.
SELEX Communications logo is a trademark of SELEX Communications S.p.A.
Printed in Italy.
© SELEX Communications 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. Technical/Environmental Specification ........................................................................................................8
4. Device Assembly and composition .................................................................................................................9
5. Installation....................................................................................................................................................12
5.1 Overview...............................................................................................................................................12
5.1.1 Installation Pre-requisites ..............................................................................................................12
5.1.2 Unpack...........................................................................................................................................12
5.1.3 Mechanical installation..................................................................................................................13
5.1.4 Electrical wiring ............................................................................................................................14
5.1.5 Unit grounding...............................................................................................................................14
5.1.6 DC input ........................................................................................................................................15
5.2 Radio Interfaces...................................................................................................................................16
5.2.1 Dual N type connector...................................................................................................................16
5.3 Line interfaces......................................................................................................................................17
5.3.1 4W and 4W+E/M Link.................................................................................................................. 17
5.3.2 AF in/out........................................................................................................................................24
5.4 Syncronization Interfaces ...................................................................................................................28
5.4.1 Main GPS Interface .......................................................................................................................28
5.5 Other Interfaces...................................................................................................................................29
5.5.1 Door break-in.................................................................................................................................29
5.5.2 LAN Interface................................................................................................................................30
5.5.3 Serial Interface............................................................................................................................... 32
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5.5.4 Auxiliary Serial Interface ..............................................................................................................34
5.5.5 Digital Input/Output Interface .......................................................................................................37
5.5.6 Local Microphone Interface .......................................................................................................... 39
6. Configuration ...............................................................................................................................................41
7. Maintenance .................................................................................................................................................42
7.1 Module removal...................................................................................................................................42
7.2 Back card removal...............................................................................................................................43
7.3 Local Maintenance Interface..............................................................................................................44
7.4 Local Test AF Interface ......................................................................................................................46
7.5 Remote Maintenance Interface ..........................................................................................................48
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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 described RBS 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. pen 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 FCC limits. This
RBS is NOT authorized for any other use.
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)
Figure 2 Antistatic band
Figure 3 Coiled Cord
Figure 4 Antistatic contact point
Antistatic
contact point
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3. Technical/Environmental Specification
The main characteristic of the device are:
Radio Frequency:
Frequency range 145 – 174 MHz (subject to limitation to 150 – 174 in U.S.)
Channel Spacing 12,5 – 20 – 25 kHz
Channel step 5 kHz – 6,25 kHz
RF Power 2 – 25 Watt (step 0,1 dB)
Modulation type Analog FM/PM
CTCSS 67 – 254.1 Hz (step 0,1 Hz)
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
Power supply:
Input voltage 13.2 Vdc (10.8 ÷ 15.6 Vdc - negative grounded)
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 no particular requirements due to the fact there is not any
rotating/mobile part in the equipment
Equipment Ventilation 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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4. Device Assembly and composition
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Microphone/AF test
Power on/off switch
Antistatic contact
GPS antenna
GPS antenna
AUX Serial portRF RX antenna
I/O port
RF TX antenna
12V DC input
LAN port
4W(+E/M) local port
Main Serial port
4x4W(+E/M) link ports
Loudspeake
r
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5. Installation
5.1 Overview
The Unit 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.
5.1.1 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, and grounding and lightning protection as described in this manual.
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 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.)
5.1.2 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 Communications S.p.A.
The following items are packed together:
• ECOS-D A2T Radio Base Station
• DC power cable
• This manual
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5.1.3 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.
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 cm (5.25 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. This permits to fasten the device to a
19” rack by means of 4 M6 screws.
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
M6 screws
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area, ensure appropriate ventilation and consider air conditioning or other climate control
equipment to satisfy the temperature requirements.
5.1.4 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 front.
Position and pin–out of the equipment connectors are available in the appropriate section in the
following of this document.
5.1.5 Unit grounding
The device is equipped with a ground nut located on the rear panel of the device. This nut is used to
connect the device to the site grounding. All antenna cables and DC power cabling, should be properly
grounded and lightning protected by following. Failure to provide proper lightning protection may result
in permanent damage to the radio equipment.
Figure 5 Ground connector
Interconnecting points Type of connector terminating
the cable Type of cable/conductor
Ground M6 nut Section area ≥ 6 sq. mm
Ground
connector
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5.1.6 DC input
Use the connector marked in red to connect RBS to the output of the 12 VDC power supply. Each
level must be connected separately the the 12 VDC power supply. The SRB must be negative
grounded.
Interconnecting points Type of connector terminating
the cable Type of cable/conductor
Power supply 12 Vdc Polarised SUB–D 2W2 female
connector
Section of each wire ≥ 4 sq.mm.
(for length < 6 m)
D-SUB 2W2 female pinout
PIN
A1 Ground
A2 + 12 Volt
(soldering side view)
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5.2 Radio Interfaces
5.2.1 Dual N type connector
In RBS without branching and using duplex mode of operation connect the transmitter cable to the “TX
OUT” connector and the receiver 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
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5.3 Line interfaces
5.3.1 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)
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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. Prod-El SRB 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. Prod-El SRB expects to see active conditions on the E−lead and signal
active to the remote device on M−lead.
SRB 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. Prod-El SRB 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. Prod-El SRB 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- +48
v
SRB side
SRB side
SRB side
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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
voltage
reference
OFF ON ON OFF
IP3 1 E line 3&4 ON OFF ON OFF
2 E line 1&2 ON OFF ON OFF
IP6 1 M line 2 ON OFF ON OFF
2 M line 1 ON OFF ON OFF
IP7 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
IP1 IP2
IP6
IP7
IP3
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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.
0 200 300 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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5.3.2 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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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. Prod-El SRB expect to see active conditions on the E−lead and signal active to the
remote device on M−lead.
E/M Type II Interface Model
SRB side
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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. Prod-El SRB 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. Prod-El SRB 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. Prod-El SRB expect to see active conditions on the E−lead
and signal active to the remote device on M−lead.
M+
M-
E+
E-
SRB side
SRB side
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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- +48
v
IP1
IP2
IP3
SRB side
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5.4 Syncronization Interfaces
5.4.1 Main GPS Interface
In order to connect the Main GPS antenna to the RBS, connect the GPS antenna to the SMA-BNC
“Main GPS” connector shown in the following figure.
Interconnecting points Type of connector terminating
the cable Type of cable/conductor
GPS SMA female connector 50 ohm coaxial cable with
double shield
GPS Antenna
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5.5 Other Interfaces
5.5.1 Door break-in
Insert the connector in the front or rear door break-in connector shown in the following figure.
Connect the three devices to the cable coming from the door as shown in the following figure.
Front Door Break-in
Rear Door Break-in
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5.5.2 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 port
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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 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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5.5.3 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 Female type D connector with 9
pins and shielded holder
9 conductor cable with double
brass sheath type interconductor
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
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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5.5.4 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 Female 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.
A
UX 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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5.5.5 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 ≤ 1 sq.mm.
(AWG 18)
I/O Interface
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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
(*) The meaning of the digital outputs depends on the firmware release of the RBS.
In the shown example the meaning is as follows:
9 Output 1: power supply alarm. When the RBS is supplied from battery the output is closed.
9 Output 2: RBS temperature alarm. When the temperature is over a defined maximum value the
output is closed.
9 Output 3: RBS synchronization alarm. When the RBS loses synchronisation the output is closed.
9 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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5.5.6 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 ≤ 1 sq.mm.
(AWG 18)
Microphone
Local Microphone Interface
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D-SUB HD 15 male pinout
PIN Mean
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
(soldering side view)
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6. 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.
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7. Maintenance
7.1 Module removal
To remove a module from the RBS follows the procedure described below.
1 – Unscrew the two (or four) screws marked in red on the front panel of the module
2 – From the front side of the RBS using the handle marked in blue pull the module out.
Module locking screws
Module handles
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7.2 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 red on the panel of the back card
2 – From the rear side of the RBS using the same knobs pull the back card out.
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7.3 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 male pinout
PIN Mean
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
(soldering side view)
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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7.4 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 ≤ 1 sq.mm.
(AWG 18)
Local Maintenance Interface
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D-SUB HD 15 male pinout
PIN Mean
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
(soldering side view)
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7.5 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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Intentionally left blank
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Information contained in this document may not be used, applied or reproduced for any purpose
unless agreed by SELEX Communications S.p.A. in writing. SELEX Communications S.p.A.
reserves the right to alter without notice the specification, design or conditions of supply of any
product or service. SELEX Communications logo is a trademark of SELEX Communications S.p.A.
Printed in Italy.
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