Alarm Port Pinout; Console/Aux Rj45 Rs232 Serial Port Pinout - Cisco ASR 903 Installation Manual

Chapter 5 Troubleshooting
Table 5-3
Pin
7
8

Alarm Port Pinout

Table 5-4
Table 5-4
Pin
1
2
3
4
5
6
7
8

Console/Aux RJ45 RS232 Serial Port Pinout

Table 5-5
Table 5-5
Pin
1
2
3
4
5
6
7
8
OL-25178-03
RJ45 1PPS/ToD Port Pinout (continued)
Signal Name Direction
TOD_P Output or Input
TOD_N Output or Input
summarizes the external alarm input pinout.
External Alarm Input Pinout
Signal Name Description
ALARM0_IN Alarm input 0
ALARM1_IN Alarm input 1
No connect
ALARM2_IN Alarm input 2
ALARM3_IN Alarm input 3
No connect
No connect
COMMON Alarm common
summarizes the console/aux RJ45 RS232 serial port pinout.
Console/Aux RJ45 RS232 serial port
Signal Name
RTS
DTR
TXD
RI
GND
RXD
DSR/DCD
CTS
Description
Time of Day
character
Time of Day
character
Direction Description
Output Request to send
Output Data Terminal Ready (always On).
Output Transmit data
Ring Indicator
Input Receive data
Input Data set ready/Data Carrier detect
Input Clear to send
Cisco ASR 903 Router Hardware Installation Guide
Pinouts
5-3