Cisco ASR 903

Console/Aux RJ45 RS232 Serial Port Pinout
The table below summarizes the console/aux RJ45 RS232 serial port pinout.
Table 23: Console/Aux RJ45 RS232 serial port
DescriptionDirectionSignal NamePin
Request to sendOutputRTS1
Data Terminal Ready
(always On).
OutputDTR2
Transmit dataOutputTXD3
Ring IndicatorRI4
GND5
Receive dataInputRXD6
Data set ready/Data
Carrier detect
InputDSR/DCD7
Clear to sendInputCTS8
16 T1/E1 Interface Module Pinout
The table below summarizes the pinouts of the cable (Tyco part number 2163442-1, Cisco part number
72-5184-01) used to connect the T1/E1 interface module to the rear of the patch panel.
Table 24: 16 T1/E1 Interface Pinouts
Jack PinTelco RXSignal
Name
Board
Pins
Jack PinTelco TXSignal
Name
Board
PIns
Line
439RX_RING_P192139TX_RING_P188Line 0
514RX_TIP_P142214TX_TIP_P138
438RX_RING_P291138TX_RING_P287Line 1
513RX_TIP_P241213TX_TIP_P237
435RX_RING_P380135TX_RING_P376Line 2
510RX_TIP_P330210TX_TIP_P326
Cisco ASR 903 Aggregation Services Router Hardware Installation Guide
149
Troubleshooting
Console/Aux RJ45 RS232 Serial Port Pinout