| PartNumber | FWLF1631R23 | FWLF1631R24 | FWLF1631R21 |
| Description | Fiber Optic Transmitters, Receivers, Transceivers 15xxnm DFB, 45 DWDM channels (C-band), A | Fiber Optic Transmitters, Receivers, Transceivers 15xxnm DFB, 45 DWDM channels (C-band), APD, OC12/48, GigE, 1x/2x FC, single mode, pluggable SFP transceiver, RoHS compliant, 3.3V, LC connector, digit | Fiber Optic Transmitters, Receivers, Transceivers 15xxnm DFB, 45 DWDM channels (C-band), A |
| Manufacturer | Finisar | Finisar | Finisar |
| Product Category | Fiber Optic Transmitters, Receivers, Transceivers | Fiber Optic Transmitters, Receivers, Transceivers | Fiber Optic Transmitters, Receivers, Transceivers |
| Brand | Finisar | Finisar | Finisar |
| Product Type | Fiber Optic Transmitters, Receivers, Transceivers | Fiber Optic Transmitters, Receivers, Transceivers | Fiber Optic Transmitters, Receivers, Transceivers |
| Factory Pack Quantity | 2 | - | 2 |
| Subcategory | Fiber Optic | Fiber Optic | Fiber Optic |
| Part # Aliases | FWLF1631RXX | FWLF1631RXX | FWLF1631RXX |