Alcatel Canada 24T28A01D22C 7390 24 GHz Co-Pol RBS User Manual BS Manual pages 71 to 76

Alcatel Canada Inc 7390 24 GHz Co-Pol RBS BS Manual pages 71 to 76

BS Manual pages 71 to 76

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3.5.4 Client access connections (ATM network interface)
3.5.4.1 Optical interface 155 Mbit/s
Figure 51 Fiber optic cables connection
use the fiber optic connection cables on the ANT and CPL board front panel.
To avoid damaging the fiber optic cables:
insert the jumpers in the direction indicated in Figure 53 Fiber optic cables wiring,
connect the fiber optic connection cable, fitted with its SC/PC connector, to the optical coupler
board by passing it through the top of the rack and along the cable run provided.
Use a winding cassette when connecting one or more fiber optic cables of over 10 meters in length
(cf. Figure 52 DBS fiber optic winding cassettes).
ANT 2ANT 1
IN
OUT OUT
IN
IN OUT
CPL
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Figure 52 DBS fiber optic winding cassettes
Stages
1. According to the site configuration, prepare the connection cables and fit them with the required
connectors.
Figure 53 Fiber optic cables wiring
2. Connect the fiber optic jumpers (see Figure 51 Fiber optic cables connection and Figure 53 Fiber
optic cables wiring) and the main cables.
DO NOT SET THE FIBER OPTIC IN FRONT OF THE VENTILATION PLUG-IN UNIT:
SET IT AS SHOWN IN FIGURE 50.
Winding cassettes
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3.5.4.2 Interface 34 Mbit/s
Figure 54 34 Mbit/s cables connection
3.5.5 RBS/DBS Connection
Connect the RBS/DBS cable on the panel located at the top of the rack above the DBS chassis in
a standard rack.
Each coaxial access is linked to an IBS board, via a coaxial cable included in the DBS chassis.
Note: Special care must be taken to check that each RBS is connected to the correct connector (to
each connector corresponds a specific sector).
Figure 55 RBS connection panel
Input 34 Mbit/s
Output 34 Mbit/s
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Figure 56 RBS Connection
Connection cable to one RBS
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3.5.6 Place of the board into the rack
In the Configuration - redundancy (1+1) column, "x" means that checked boards are added to initially
installed boards (Configuration - initial (1+0) column).
Slots Type of the elements Configuration
main (1+0) redundancy (1+1)
1 ANT board x
2 ANT board x
3
TNT boards x
4
5
6
7
AMD boards x
8
9
10
11
AMD boards x
12
13
14
15 FAN x
16 CPL board x
17
IBS boards x
18
19
20
21
IBS boards x
22
23
24
25 Supply assembly PSU 1 x
26 Supply assembly PSU 2 x
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Figure 57 Place of the boards into the DBS
3.5.7 End of the installation
Replace the (removable) top cover of the rack and secure it.
ANT 1
ANT 2
TNT 1
TNT 2
TNT 3
TNT 4
AMD 1
AMD 2
AMD 3
AMD 4
CPL
IBS 1
IBS 2
IBS 3
IBS 4
PSU 1 PSU 2
V
127
346
5109
813
11 14
12
15
17
16 19
18 20
25
23
2221 24
26
IBS 5
IBS 6
IBS 7
IBS 8
AMD 5
AMD 6
AMD 7
AMD 8
ID number
Slot number

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