Configuration Guide for Cisco NCS 1001, IOS XR Release 25.x.x

Display OTDR photodiode power levels

Updated: July 27, 2026

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Use this procedure to display photodiode power values and the logical ports associated with the OTDR module physical ports during controller verification.

Display OTS controller summaries when you must view OTDR photodiode power levels and logical port associations.

Procedure

Use the show controllers ots command to display the OTDR OTS controller summary.

show controllers ots rack/slot/instance/port summary

Example:

RP/0/RP0/CPU0:IOS#show controllers ots 0/2/0/* summary
Tue Jan 23 13:49:41.604 CET

Port       Type  Status  TX Power  TX Total Power  RX Power  RX Total Power
Ots0_2_0_0 Com   N/A     -40.00    Unavailable     -40.00    Unavailable
Ots0_2_0_1 Com   N/A       0.60    Unavailable     -16.60    Unavailable
Ots0_2_0_2 Osc   N/A     -17.60    Unavailable       1.30    Unavailable
Ots0_2_0_3 Com   N/A     -40.00    Unavailable     -40.00    Unavailable
Ots0_2_0_4 Com   N/A       0.20    Unavailable     -22.20    Unavailable
Ots0_2_0_5 Osc   N/A     -23.60    Unavailable       1.30    Unavailable

The output displays photodiode power values and logical ports for the OTDR module.

What to do next

Note

Parameters such as Status, RX Total Power, TX Total Power, RX Attenuation, TX Attenuation, Amplifier Gain, and Amplifier Tilt values on the corresponding OTS controller are not available for the OTDR card.

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