Jack
Pin
Telco
RX
Signal NameBoard
Pins
Jack
Pin
Telco
TX
Signal NameBoard
PIns
LineBoard
Connector
428
RX_RING_P3155128TX_RING_P3137Line 31PORTS
16-31
53RX_TIP_P312123TX_TIP_P313
The table below shows the wiring schematic of the cable used to connect the 32 T1/E1 interface module to
the rear of the patch panel.
Figure 119: 32 T1/E1 Wiring Schematic of Cable between 32 T1/E1 Interface and Patch Panel
8 T1/E1 Interface Module RJ48C Port Pinnouts
Table 34: RJ48C Connector Pin-out for 8 T/E1 Interface Module
DescriptionDirectionSignalPin
Receive TipInputRX_TIP1
Receive RingOutputRX_RING2
Not Connected——3
Receive TipInputTX_TIP4
Receive RingOutputTX_RING5
Not Connected——6
Not Connected——7
Not Connected——8
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
170
Troubleshooting
8 T1/E1 Interface Module RJ48C Port Pinnouts