Cisco ASR 902 Troubleshooting Manual page 8

RJ-45 Connector Pinouts
Note Twisted pairs are 2-5, 6-8, 4-7.
Note The X.21, V.35, RS-485, EIA-449, EIA-530, and IRIG-B standards are not currently supported by software.
RJ-45 Connector Pinouts
The table below summarizes the pinouts for each serial interface type when using an RJ-45 connector.
Table 12: RJ45 Pinout
Pi n
1
2
3
4
5
6
7
8
Note
Twisted Pairs are: 1-2, 3-6, 4-5, 7-8.
Note The X.21, V.35, RS-485, EIA-449, EIA-530, and IRIG-B standards are not currently supported by software.
Management Ethernet Port Pinouts
A single management copper Ethernet port supporting 10/100/1000Base-T operation exists on each RSP.
There is no direct access to the CPU of the other RSP. The Management Ethernet port uses a standard RJ45
jack.
Troubleshooting
8
Standard Direction Description
DB-9
RTS Input Ready to
send
DTR Input DTR
TxD Input Transmit
GND Signal
ground
GND Signal
ground
RxD Output Receive data
DST Output DSR
CTS Output CTS
RS-485 IRIG-B
RxD+ NC
(RS485)
RxD- (RS485) NC
NC NC
Gnd Gnd
Gnd Gnd
- IRIG-B (RS232)
TxD- IRIG-B- (RS485)
TxD+ IRIG-B+
(RS485)
Troubleshooting