Cisco ASR-920-12SZ-IM - Time-Of-Day Port Pinouts; Alarm Port Pinouts

Time-of-Day Port Pinouts
The table below summarizes the ToD/1-PPS port pinouts.
Table 15: RJ-45 1PPS/ToD Port Pinouts
DescriptionDirectionSignal NamePin
V.11 Loopback interface
pins (Optional)
Output or InputV.11 Loopback1
V.11 Loopback interface
pins (Optional)
Output or InputV.11 Loopback2
1PPS RS422 signalOutput or Input1PPS_N3
——
GND4
——
GND5
1PPS RS422 signalInput1PPS_P6
Time-of-Day characterOutput or InputTOD_N7
Time-of-Day characterOutput or InputTOD_P8
Alarm Port Pinouts
The table below summarizes the external alarm input pinouts.
Table 16: External Alarm Input Pinouts
DescriptionSignal NamePin
Alarm input 0ALARM0_IN1
Alarm input 1ALARM1_IN2
No connect
—
3
Alarm input 2ALARM2_IN4
Alarm input 3ALARM3_IN5
No connect
—
6
No connect
—
7
Cisco ASR-920-12SZ-IM Aggregation Services Router Hardware Installation Guide
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Troubleshooting
Time-of-Day Port Pinouts