Finisar FTLF8536P5PCL Compatible 25GBASE-SR SFP28 Pull-Tab Transceiver

EdgeOptic's FTLF8536P5PCL compatible is a Finisar-coded variant of the EdgeOptic 25G-SFP28-100 multi-vendor SFP28 SR transceiver. FTLF8536P5PCL is a Finisar (now Coherent Corp) ordering code in the FTLF8536P5 25GBASE-SR SFP28 family, described as a single-rate 25 Gbps module in the Coherent product catalog. EdgeOptic's compatible is built to the dual-rate 10G/25G envelope of the underlying 25G-SFP28-100 hardware, so 10G operation depends on the host port's dual-rate SFP28 capability. The module is programmed with Finisar-recognized EEPROM vendor and part-number strings so hosts accepting Finisar-coded EEPROM read the optic cleanly through the standard SFP28 management interface.

Optical behavior is 25GBASE-SR per IEEE 802.3by Clause 112 over duplex multi-mode fiber. Line signaling rate is 25.78125 Gbps at 25GBASE-SR; 10GBASE-SR signaling at 10.3125 Gbps per IEEE 802.3ae is supported on dual-rate SFP28 host ports. Reach is 100 m on OM4 and 70 m on OM3, within the SFP28 SerDes envelope defined by SFP28 MSA SFF-8402.

Optical path is 850 nm VCSEL transmitter, PIN photodiode receiver, TX optical power −5 to +2.4 dBm, RX sensitivity better than −10.3 dBm, 5.3 dB link budget, LC duplex connector. Digital diagnostics are SFF-8472 Rev 12.0 compliant, exposing per-module temperature, supply voltage, TX bias, TX power and RX power through the host's standard transceiver-diagnostics interface. Power dissipation is 0.3 W, the module is hot-swappable with a pull-tab release mechanism, and the operating temperature range is 0 to 70°C commercial.

FTLF8536P5PCL is positioned against any SFP28 host platform accepting Finisar-coded EEPROM, which covers chassis previously populated with Finisar FTLF8536P5 family modules. The FTLF8536P5PCL is the pull-tab release variant in the P5 family; FTLF8536P5BCL is the bail-latch release variant with the same single-rate 25 Gbps OEM spec, and FTLF8536P5BCV is the dual-rate 10G/25G OEM variant in the same family. For dense-packed top-of-rack chassis where the release-mechanism choice matters for engagement clearance or hot-swap workflow, the pull-tab PCL is typically the right pick where neighbouring modules block bail-latch operation. The optical core is identical across suffixes within each rate-class group; the release-mechanism difference is mechanical, not optical. Verify FTLF8536P5PCL against your platform's transceiver compatibility documentation and the Finisar/Coherent datasheet for the suffix-specific operating temperature and power specifications before specifying the part for your deployment's thermal envelope.

On FEC, 25G FEC mode is configured at the MAC layer on each link partner and the optical path is agnostic to whether RS-FEC per IEEE 802.3by Clause 108 or BASE-R FEC is negotiated on the host. The host FEC profile determines the negotiated mode on the link; confirm the FEC profile on both link partners during commissioning to avoid mismatch on mixed-vendor 25G interconnects where one side defaults to RS-FEC and the other to BASE-R or FEC-disabled. The module is symmetrically compatible with either FEC mode supported on the host port.

Backed by 15+ years of EdgeOptic compatibility engineering across vendor optical platforms. Ships next business day from EU stock with a lifetime warranty. For FTLF8536P5PCL populations where a specific OEM EEPROM signature must be matched, multi-rack volume pricing on a 25G refresh, or compatibility verification against a specific host platform, contact our sales team.