User Manual

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3CC12424AAAA TQ BJA 01 Issue 01 - April 2001 - Draft 04 71/302

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

OUT

IN OUT

CPL

Summary of content (6 pages)

PAGE 1
3.5.4 Client access connections (ATM network interface) 3.5.4.1 Optical interface 155 Mbit/s ANT 1 ANT 2 OUT OUT IN IN CPL IN OUT Figure 51 – Fiber optic cables connection – use the fiber optic connection cables on the ANT and CPL board front panel.
PAGE 2
Winding cassettes 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.
PAGE 3
.5.4.2 Interface 34 Mbit/s Input 34 Mbit/s Output 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).
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Connection cable to one RBS Figure 56 – RBS Connection 74/302 76 Issue 01 - April 2001 - Draft 04 3CC12424AAAA TQ BJA 01
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3.5.
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20 PSU 1 ID number IBS 8 IBS 7 IBS 6 19 16 17 18 IBS 5 IBS 3 IBS 4 IBS 2 ANT 1 14 8 9 10 11 12 13 2 3 4 5 6 7 15 VHQW CPL 1 IBS 1 ANT 2 TNT 1 TNT 2 TNT 3 TNT 4 AMD 1 AMD 2 AMD 3 AMD 4 AMD 5 AMD 6 AMD 7 AMD 8 Slot number 24 21 22 23 PSU 2 25 26 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.