XCVR-Q80V31 Ciena Compatible 100GBASE-ZR4 QSFP28 Transceiver

The EdgeOptic 100G-QSFP28-80 is a compatible replacement for the Ciena XCVR-Q80V31, a 100G QSFP28 transceiver for 80 km reach over single-mode fiber. The module is coded with Ciena-recognized EEPROM data and is accepted by Ciena Waveserver, 6500, and 5170 series platforms without unsupported-module warnings.

The module uses four LAN WDM wavelengths at 1295.56, 1300.05, 1304.58, and 1309.14 nm over a duplex LC single-mode fiber pair. Each lane runs at 25.78125 Gbps NRZ (64B/66B encoded), giving a 103.125 Gbps aggregate line rate and 100 Gbps net payload. EML transmitters and APD receivers extend the reach from the 10 km 100GBASE-LR4 baseline to 80 km when host-side RS-FEC is enabled.

The module has a 30 dB maximum optical link budget with FEC enabled, supporting up to 80 km over OS2 single-mode fiber at typical installed attenuation of 0.33 to 0.38 dB/km at 1310 nm. Maximum power consumption is 6.5 W, placing this module in the high-power QSFP28 class. Confirm that your Ciena platform supports high-power QSFP28 cages before deployment. Host-side RS-FEC is mandatory at the 80 km reach.

Ciena's XCVR naming encodes the module specs directly: Q designates the QSFP28 form factor, 80 indicates the 80 km reach, and V31 marks the 1310 nm LAN WDM wavelength range. The shorter-reach variant in the same family is XCVR-Q30V31, a 30 km extended-reach QSFP28 module with a smaller optical budget and lower power consumption. Both modules use the same duplex LC connector and fiber type; the 80 km variant is appropriate for metro and regional spans.

The XCVR-Q80V31 is supported on Ciena platforms with QSFP28 ports, including the Waveserver 5 and Waveserver Ai for packet-optical data center interconnect, the 6500 Packet-Optical Platform for metro and regional aggregation, and the 5170 and 5171 service aggregation switches. QSFP28 client port availability depends on the specific line card installed on each chassis.

Verify the installed optic on Ciena platforms through the platform-specific CLI: SAOS on 5170 and 5171, Waveserver CLI on Waveserver 5 and Waveserver Ai, and Site Manager on the 6500. The EdgeOptic module's EEPROM carries Ciena vendor and part number fields, so platform output lists it as a Ciena-branded optic. Ciena MCP (Manage, Control and Plan) also displays the module inventory across the network.

The four LAN WDM wavelengths (1295.56 to 1309.14 nm) sit in the ITU-T O-band, outside the C-band window where EDFA amplifiers provide gain. These 80 km modules are intended for unamplified dark fiber spans between data centers and metro aggregation sites. For longer spans or amplified routes, use coherent C-band modules such as 100G ZR instead.

DDM per SFF-8636 reports per-lane TX/RX power, temperature, Vcc, and bias current. The module meets QSFP28 MSA, IEC 60825-1 Class 1 laser safety, CE, and RoHS. Operating temperature range is 0 to 70°C commercial.

All EdgeOptic modules are tested before shipment and ship with a lifetime warranty. For volume pricing or Ciena platform compatibility questions, contact our sales team.