GPS on ASR9K

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To bring a GPS signal to the ASR9K a few things are required:

  • GPS source with:
    • ToD (RJ45 port with RS-422 signaling)
    • 1pps (Mini-BNC connector)
    • 10Mhz (Mini-BNC Connector)

All three of these connections are required.

Configuration

RP/0/RSP0/CPU0:ASR9000# configure
RP/0/RSP0/CPU0:ASR9000(config)# clock-interface sync 2 location 0/RSP0/CPU0
RP/0/RSP0/CPU0:ASR9000(config-clock-if)# port-parameters
RP/0/RSP0/CPU0:ASR9000(config-clk-parms)#   gps-input tod-format cisco pps-input rs422
RP/0/RSP0/CPU0:ASR9000(config-clk-parms)# !
RP/0/RSP0/CPU0:ASR9000(config-clk-parms)# frequency synchronization
RP/0/RSP0/CPU0:ASR9000(config-clk-freqsync)#   selection input
RP/0/RSP0/CPU0:ASR9000(config-clk-freqsync)#   priority 1
RP/0/RSP0/CPU0:ASR9000(config-clk-freqsync)#   wait-to-restore 0
RP/0/RSP0/CPU0:ASR9000(config-clk-freqsync)#   ssm disable
RP/0/RSP0/CPU0:ASR9000(config-clk-freqsync)#   time-of-day-priority 1
RP/0/RSP0/CPU0:ASR9000(config-clk-freqsync)#   quality receive exact itu-t option 2 generation 2 PRS
RP/0/RSP0/CPU0:ASR9000(config-clk-freqsync)# !
RP/0/RSP0/CPU0:ASR9000(config-clk-freqsync)# commit

Verification

References

Config guide for 5.3.3

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