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Troubleshooting
Pin
6
7
8
Alarm Port Pinout
The table below summarizes the external alarm input pinout.
Table 14: External Alarm Input Pinout
Pin
1
2
3
4
5
6
7
8
Console/Aux RJ45 RS232 Serial Port Pinout
The table below summarizes the console/aux RJ45 RS232 serial port pinout.
Table 15: Console/Aux RJ45 RS232 serial port
Pin
1
2
Signal Name
Direction
1PPS_P
Input
TOD_N
Output or input
TOD_P
Output or input
Signal Name
ALARM0_IN
ALARM1_IN
ALARM2_IN
ALARM3_IN
COMMON
Signal Name
Direction
RTS
Not Used
DTR
Not Used
Cisco ASR 907 Router Hardware Installation Guide
Alarm Port Pinout
Description
1PPS RS422 signal
Time of Day R422 output
or input signal
Time of Day R422 output
or input signal
Description
Alarm input 0
Alarm input 1
No connect
Alarm input 2
Alarm input 3
No connect
No connect
Alarm common
Description
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