Cisco ASR-920-24TZ-M User Manual

DescriptionDirectionSignal NamePin
Not used
——
7
Not used
——
8
GPS Port Pinout
The table below summarizes the GPS port pinouts.
GPS port is supported only on Cisco ASR-920-24SZ-IM Router.Note
The 10 Mhz and 1 PPS interfaces can be configured as input or output using Cisco IOS CLI commands.
For more information, see the Cisco ASR 920 Series Aggregation Services Router Configuration Guide.
Note
Table 18: GPS Port Pinout
1PPS (input and output)10 Mhz (input and output)
Input—Pulse shape
Output—Pulse shape
Input—Sine wave
Output—Square wave
Waveform
Input— > 2.4 volts TTL
compatible
Output— > 2.4 volts TTL
compatible
Input— > 1.7 volt p-p(+8 to +10
dBm)
Output— > 2.4 volts TTL
compatible
Amplitude
50 ohms50 ohmsImpedance
26 microseconds50% duty cyclePulse Width
40 nanoseconds
Input—AC coupled
Output—5 nanoseconds
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
Troubleshooting
GPS Port Pinout

Cisco ASR-920-24TZ-M Specifications

General

Brand	Cisco
Model	ASR-920-24TZ-M
Category	Network Router
Language	English