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RSU CABLE PREPARATION AND LAYING

Signal Names for Digital Trunk Cable (CM End)

Module No. Pin No. A B C

1 RX_P {1} -- RX_N {1}

2 RX_P {3} -- RX_N {3}

1 3 TX_P {1} -- TX_N {1}

4 TX_P {3} -- TX_N {3}

5 RX_P {2} -- RX_N {2}

6 RX_P {4} TX_P {4} RX_N {4}

7 TX_P {2} TX_N {4} TX_N {2}

1 RX_P {5} -- RX_N {5}

2 RX_P {7} -- RX_N {7}

2 3 TX_P {5} -- TX_N {5}

4 TX_P {7} -- TX_N {7}

5 RX_P {6} -- RX_N {6}

6 RX_P {8} TX_P {8} RX_N {8}

7 TX_P {6} TX_N {8} TX_N {6}

Table 3-7

Note : {} indicates digital Trunk number

Notes:

1. Wire wrap the pairs onto contact block pins of each module as per

wiring details given.

2. Snap the hood onto the contact block such that polarity tab (1) is

towards pin 1 as per wiring done.

3. The wire length shall be as shown in the figure.

4. Polarity tabs to be retained as given below module 1:1, module 2:2.

5. Put 12.0mm PVC/Black silicon rubber sleeve of 50mm length at both

ends of L tied with cable ties.

6. The two sets of digital trunk cables on each BTU (BUS 0 and BUS 1)

are tied together with cable ties.

Note : All signal names are w.r.t MBM side.

3.4. CABLE PLACEMENTS

Fig. 3.6 diagramatically explains the clock, ACIO and Digital trunk cable

placements at TSU on RBM side and Fig. 3.7 and Fig. 3.8 show the cable

placements at BTU0/1, on the CM side.

RSU INSTALLATION MANUAL 35

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Multitech BL-Series Manual de usuario Pagina 37