OPERATIONAL DEFECT DATABASE
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Link does not come up with QSFP-100G-ZR4-S transceiver, no (-40 dBm) TX power reported
- N540-24Q8L2DD-SYS or N540-28Z4C-SYS router or NCS5700 (LNT DNX devices) - QSFP-100G-ZR4-S transceiver
There is no workaround
No TX power is reported in "show controllers optics" output: RP/0/RP0/CPU0:Router#sh controllers optics 0/0/0/0 Controller State: Up Transport Admin State: In Service Laser State: On LED State: Yellow FEC State: FEC ENABLED Optics Status Optics Type: QSFP28 100G ZR4 S Wavelength = 1302.00 nm Alarm Status: ------------- Detected Alarms: LOW-RX1-PWR LOW-RX2-PWR LOW-RX3-PWR LOW-RX4-PWR LOW-TX1-PWR LOW-TX2-PWR LOW-TX3-PWR LOW-TX4-PWR LOW-TX1_LBC LOW-TX2_LBC LOW-TX3_LBC LOW-TX4_LBC LOS/LOL/Fault Status: Performance Monitoring: Disable THRESHOLD VALUES ---------------- Parameter High Alarm Low Alarm High Warning Low Warning ------------------------ ---------- --------- ------------ ----------- Rx Power Threshold(dBm) -3.0 -31.5 -6.0 -27.6 Tx Power Threshold(dBm) 8.1 -2.8 7.0 1.2 LBC Threshold(mA) 130.00 40.00 120.00 50.00 Temp. Threshold(celsius) 75.00 -5.00 70.00 0.00 Voltage Threshold(volt) 3.63 2.97 3.46 3.13 Configured Tx Power = 0.00 dBm Configured CD High Threshold = 0 ps/nm Configured CD lower Threshold = 0 ps/nm Configured OSNR lower Threshold = 0.00 dB Configured DGD Higher Threshold = 0.00 ps Polarization parameters not supported by optics Lane Laser Bias TX Power RX Power Output Frequency ---- ---------- ---------- ---------- ---------------- 0 0.0 mA -40.00 dBm -40.00 dBm N/A 1 0.0 mA -40.00 dBm -40.00 dBm N/A 2 0.0 mA -40.00 dBm -40.00 dBm N/A 3 0.0 mA -40.00 dBm -40.00 dBm N/A Temperature = 20.35 Celsius Voltage = 3.30 V
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