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Finisar FTLX1871M3BNL 10G-ZR SFP+ 1550nm 80km
10 Gb/s class 10G-ZR / OC-192 LR-2 multirate SFP+ transceiver, 1550nm, up to 80km, extended temperature.
- Manufacturer
- Coherent Corp. (formerly Finisar / II-VI)
- Mfr part number
- FTLX1871M3BNL
- Family
- FTLX1871
- Category
- Fiber optic transceiver modules
- Datasheet
- FTLX1871M3BNL datasheet (PDF)
FTLX1871M3BNL specifications
| Attribute | Value |
|---|---|
| Manufacturer | Coherent Corp. (Finisar) |
| Manufacturer part number | FTLX1871M3BNL |
| Product family | FTLX1871 |
| Form factor | SFP+ |
| Standards / application | SFF-8431, SFF-8432; G.959.1 P1L1-2D2 (M3) |
| Data rate | 8.5 and 9.95–11.3168 Gb/s |
| Wavelength | Tx 1530–1565 nm; Rx 1260–1600 nm |
| Laser | Cooled 1550 nm EML |
| Receiver | Limiting electrical interface receiver |
| Reach | 80 km over G.652 SMF |
| Connector | Duplex LC |
| Tx output power | 0 to +4 dBm |
| Rx sensitivity | −24 dBm (8.5, 9.95–10.7G, BER<1E−12); −23 dBm @ 11.1G; −27 dBm @ 11.1/11.3G (BER<1E−4) |
| Rx overload / max input | −7 dBm |
| Extinction ratio | 9 dB |
| Supply voltage | 3.3 V (3.14–3.46 V) |
| Power dissipation | 1.5 W typ (D3); M3: 1.5 W/1.7 W options (CDR dependent) |
| Operating temperature | Extended |
| Diagnostics | SFF-8472 via 2-wire serial interface |
| Compliance | RoHS-6; Laser Class 1 EN60825-1 |
| Lifecycle | Current production |
Optical and electrical values are from the Finisar / Coherent family datasheet; temperature grade is per part number. Confirm critical values with us before ordering.
About the Finisar FTLX1871M3BNL
The Finisar FTLX1871M3BNL (now a Coherent Corp. product, formerly II-VI) is a SFP+ 10G-ZR / OC-192 LR-2 multirate optical transceiver for 10 Gb/s class links at 1550nm over Duplex SMF LC, with reach up to 80km. It is an extended-temperature part. It belongs to Finisar's FTLX1871 family, which has 4 orderable variants that differ by temperature grade, latch, receiver build or wavelength channel. Typical uses: 10G Ethernet, 10G Fibre Channel, SONET OC-192 / OTN and DWDM metro / DCI links.
- Hot-pluggable SFP+ footprint
- Supports 8.5 and 9.95 to 11.3 Gb/s
- 80km link length
- Cooled 1550nm EML laser
- Limiting electrical interface receiver
- Built-in digital diagnostic functions
FTLX1871M3BNL: frequently asked questions
What is the Finisar FTLX1871M3BNL?
The FTLX1871M3BNL is a Finisar SFP+ transceiver for 10G-ZR / OC-192 LR-2 multirate at 10 Gb/s class. Finisar is now part of Coherent Corp. (formerly II-VI), and the part number is unchanged. It is used for 10G Ethernet, 10G Fibre Channel, SONET OC-192 / OTN and DWDM metro / DCI links.
What is the maximum distance of the FTLX1871M3BNL?
The FTLX1871M3BNL is specified for up to 80km over Duplex SMF LC. Long-reach optics may need an attenuator on short links; we can advise based on your link loss.
What is the optical power budget of the FTLX1871M3BNL?
Per the Finisar family datasheet, the FTLX1871M3BNL transmits 0 to +4 dBm and has a receiver sensitivity of −24 dBm (8.5, 9.95–10.7G, BER<1E−12); −23 dBm @ 11.1G; −27 dBm @ 11.1/11.3G (BER<1E−4). Maximum receiver input is −7 dBm.
Does the FTLX1871M3BNL support DDM / digital diagnostics?
Yes. SFF-8472 via 2-wire serial interface. Your switch can read live temperature, voltage, laser bias and Tx/Rx power.
Which fiber and connector does the FTLX1871M3BNL use?
The FTLX1871M3BNL works at 1550nm over Duplex SMF LC. Both ends of a link must use the same optical standard.
Will the FTLX1871M3BNL work in my Cisco, Juniper, Arista or HPE switch?
The FTLX1871M3BNL follows the SFP+ MSA, so it fits any matching port. It carries Finisar's own EEPROM programming; switches that check the module vendor may need a configuration setting or a vendor-branded optic. Send us your switch model and we confirm before dispatch.
FTLX1871M3BNL vs FTLX1871D3BCL: what is the difference?
Both are in Finisar's FTLX1871 family. They differ in temperature grade (extended vs commercial); build / application (10G-ZR / OC-192 LR-2 multirate vs 10G-ZR). Pick the variant that matches your temperature, latch and wavelength needs.
What temperature range is the FTLX1871M3BNL rated for?
The FTLX1871M3BNL is an extended-temperature part. Choose an industrial (T) variant for outdoor or uncontrolled sites.
What does the FTLX1871M3BNL part number mean?
The FTLX prefix marks Finisar's 10G family (SFP+, XFP, X2, XENPAK). The E letter in the suffix usually marks the extended temperature grade. The remaining characters identify the optical design and build variant.
Is your FTLX1871M3BNL genuine Finisar?
Yes. Next Gen Networks supplies original Finisar / Coherent modules, not third-party lookalikes or grey-market stock, and shares serial numbers on request.
What is the FTLX1871M3BNL price in India and how do I order?
The Finisar FTLX1871M3BNL price in India depends on quantity, delivery city and current stock. Next Gen Networks supplies it with a GST invoice (input tax credit ready) and pan-India dispatch from New Delhi. Send the part number, quantity and delivery city on WhatsApp +91-7827955775 or email Sales@nextgennetworks.in for a GST quote.
What power does the FTLX1871M3BNL need?
It runs from 3.3 V (3.14–3.46 V) with power dissipation of 1.5 W typ (D3); M3: 1.5 W/1.7 W options (CDR dependent).
Documents
NextGen datasheetPDF · specs, FAQ & buying guideManufacturer datasheet
Finisar / Coherent family datasheet
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