Gps Port Pinout; Time-Of-Day Port Pinouts; Cisco Asr-920-24Sz-Im, Asr-920-24Sz-M, Asr-920-24Tz-M Aggregation Services Router Hardware Installation - Cisco ASR-920-24SZ-IM Hardware Installation Manual

GPS Port Pinout

Pin
7
8
GPS Port Pinout
The table below summarizes the GPS port pinouts.
Note GPS port is supported only on Cisco ASR-920-24SZ-IM Router.
The 10 Mhz and 1 PPS interfaces can be configured as input or output using Cisco IOS CLI commands.
Note
For more information, see the Cisco ASR 920 Series Aggregation Services Router Configuration Guide.
Table 18: GPS Port Pinout
Waveform
Amplitude
Impedance
Pulse Width
Rise Time

Time-of-Day Port Pinouts

The table below summarizes the ToD/1-PPS port pinouts.
ToD port is supported only on Cisco ASR-920-24SZ-IM Router.
Note

Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation

Guide
128
Signal Name Direction
— —
— —
10 Mhz (input and output)
Input—Sine wave
Output—Square wave
Input— > 1.7 volt p-p(+8 to +10
dBm)
Output— > 2.4 volts TTL
compatible
50 ohms
50% duty cycle
Input—AC coupled
Output—5 nanoseconds
Troubleshooting
Description
Not used
Not used
1PPS (input and output)
Input—Pulse shape
Output—Pulse shape
Input— > 2.4 volts TTL
compatible
Output— > 2.4 volts TTL
compatible
50 ohms
26 microseconds
40 nanoseconds