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Finisar FTLX3971MTCxx DWDM fixed 1.2-11.3G SFP+ 40km
10 Gb/s class DWDM fixed 1.2-11.3G multirate (CDR) SFP+ transceiver, Channel-specific (see variants), up to 40km, industrial temperature.
- Manufacturer
- Coherent Corp. (formerly Finisar / II-VI)
- Mfr part number
- FTLX3971MTCxx
- Family
- FTLX3971MTC
- Category
- Fiber optic transceiver modules
- Datasheet
- FTLX3971MTCxx datasheet (PDF)
FTLX3971MTCxx specifications
| Attribute | Value |
|---|---|
| Manufacturer | Coherent Corp. (Finisar) |
| Manufacturer part number | FTLX3971MTCxx |
| Product family | FTLX3971MTC |
| Form factor | SFP+ |
| Standards / application | SFF-8431, SFF-8432 |
| Data rate | 1.2–11.3 Gb/s |
| Wavelength | DWDM C-band, 100 GHz, C20–C60 (192.00–196.00 THz) |
| Laser | Cooled 1550 nm EML |
| Receiver | Limiting electrical interface receiver |
| Reach | Up to 40 km |
| Connector | Duplex LC |
| Tx output power | +1 to +4 dBm (sign of min as extracted) |
| Rx sensitivity | −24.0 dBm (0 ps/nm, BER<1E−12) |
| Rx overload / max input | −10 dBm (<9.83 Gb/s) |
| Extinction ratio | 8.2 dB |
| Supply voltage | 3.3 V (3.14–3.46 V) |
| Power dissipation | 1.9 W (CDR on); 1.6 W (CDR off) |
| Operating temperature | Industrial |
| Diagnostics | Built-in digital diagnostics |
| 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.
FTLX3971MTCxx: orderable variants (42)
| Part number | Details |
|---|---|
| FTLX3971MTC17 | Channel 17 is NOT listed in the datasheet channel table (C20–C60); verify before listing |
| FTLX3971MTC20 | ITU 100 GHz channel C20 |
| FTLX3971MTC21 | ITU 100 GHz channel C21 |
| FTLX3971MTC22 | ITU 100 GHz channel C22 |
| FTLX3971MTC23 | ITU 100 GHz channel C23 |
| FTLX3971MTC24 | ITU 100 GHz channel C24 |
| FTLX3971MTC25 | ITU 100 GHz channel C25 |
| FTLX3971MTC26 | ITU 100 GHz channel C26 |
| FTLX3971MTC27 | ITU 100 GHz channel C27 |
| FTLX3971MTC28 | ITU 100 GHz channel C28 |
| FTLX3971MTC29 | ITU 100 GHz channel C29 |
| FTLX3971MTC30 | ITU 100 GHz channel C30 |
| FTLX3971MTC31 | ITU 100 GHz channel C31 |
| FTLX3971MTC32 | ITU 100 GHz channel C32 |
| FTLX3971MTC33 | ITU 100 GHz channel C33 |
| FTLX3971MTC34 | ITU 100 GHz channel C34 |
| FTLX3971MTC35 | ITU 100 GHz channel C35 |
| FTLX3971MTC36 | ITU 100 GHz channel C36 |
| FTLX3971MTC37 | ITU 100 GHz channel C37 |
| FTLX3971MTC38 | ITU 100 GHz channel C38 |
| FTLX3971MTC39 | ITU 100 GHz channel C39 |
| FTLX3971MTC40 | ITU 100 GHz channel C40 |
| FTLX3971MTC41 | ITU 100 GHz channel C41 |
| FTLX3971MTC42 | ITU 100 GHz channel C42 |
| FTLX3971MTC43 | ITU 100 GHz channel C43 |
| FTLX3971MTC44 | ITU 100 GHz channel C44 |
| FTLX3971MTC45 | ITU 100 GHz channel C45 |
| FTLX3971MTC46 | ITU 100 GHz channel C46 |
| FTLX3971MTC47 | ITU 100 GHz channel C47 |
| FTLX3971MTC48 | ITU 100 GHz channel C48 |
| FTLX3971MTC49 | ITU 100 GHz channel C49 |
| FTLX3971MTC50 | ITU 100 GHz channel C50 |
| FTLX3971MTC51 | ITU 100 GHz channel C51 |
| FTLX3971MTC52 | ITU 100 GHz channel C52 |
| FTLX3971MTC53 | ITU 100 GHz channel C53 |
| FTLX3971MTC54 | ITU 100 GHz channel C54 |
| FTLX3971MTC55 | ITU 100 GHz channel C55 |
| FTLX3971MTC56 | ITU 100 GHz channel C56 |
| FTLX3971MTC57 | ITU 100 GHz channel C57 |
| FTLX3971MTC58 | ITU 100 GHz channel C58 |
| FTLX3971MTC59 | ITU 100 GHz channel C59 |
| FTLX3971MTC60 | ITU 100 GHz channel C60 |
Ask for any variant on WhatsApp +91-7827955775 or Sales@nextgennetworks.in – bulk pricing by quantity.
About the Finisar FTLX3971MTCxx
The Finisar FTLX3971MTCxx (now a Coherent Corp. product, formerly II-VI) is a SFP+ DWDM fixed 1.2-11.3G multirate (CDR) optical transceiver for 10 Gb/s class links at Channel-specific (see variants) over Duplex SMF LC, with reach up to 40km. It is an industrial-temperature part. The FTLX3971MTCxx family name covers 42 orderable variants listed below. Typical uses: 10G Ethernet, 10G Fibre Channel, SONET OC-192 / OTN and DWDM metro / DCI links.
- 100 GHz spacing, DWDM C-band
- Up to 40km link length
- 1.2 through 11.3 Gb/s data rates
- Cooled 1550nm EML laser
- Built-in digital diagnostic functions
FTLX3971MTCxx: frequently asked questions
What is the Finisar FTLX3971MTCxx?
The FTLX3971MTCxx is a Finisar SFP+ transceiver for DWDM fixed 1.2-11.3G multirate (CDR) 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 does the 'x' in FTLX3971MTCxx mean?
FTLX3971MTCxx is Finisar's family / ordering name. The 'x' is replaced by a code to make the exact orderable part number. For this family the codes are: 17, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 …. Two-digit numbers are ITU / CWDM wavelength channel codes. See the variants table and tell us which one you need, or share your switch and link details and we will pick the right one.
What is the optical power budget of the FTLX3971MTCxx?
Per the Finisar family datasheet, the FTLX3971MTCxx transmits +1 to +4 dBm (sign of min as extracted) and has a receiver sensitivity of −24.0 dBm (0 ps/nm, BER<1E−12). Maximum receiver input is −10 dBm (<9.83 Gb/s).
Does the FTLX3971MTCxx support DDM / digital diagnostics?
Yes. Built-in digital diagnostics. Your switch can read live temperature, voltage, laser bias and Tx/Rx power.
Which part numbers are in the FTLX3971MTCxx family?
Orderable variants include: FTLX3971MTC17, FTLX3971MTC20, FTLX3971MTC21, FTLX3971MTC22, FTLX3971MTC23, FTLX3971MTC24, FTLX3971MTC25, FTLX3971MTC26, FTLX3971MTC27, FTLX3971MTC28, FTLX3971MTC29, FTLX3971MTC30, FTLX3971MTC31, FTLX3971MTC32, FTLX3971MTC33 and 27 more. Next Gen Networks supplies the exact variant you need in bulk with a GST invoice.
What is the maximum distance of the FTLX3971MTCxx?
The FTLX3971MTCxx is specified for up to 40km over Duplex SMF LC. Long-reach optics may need an attenuator on short links; we can advise based on your link loss.
Which fiber and connector does the FTLX3971MTCxx use?
The FTLX3971MTCxx works at Channel-specific (see variants) over Duplex SMF LC. CWDM/DWDM optics must match the channel of your mux/demux port. Both ends of a link must use the same optical standard.
Will the FTLX3971MTCxx work in my Cisco, Juniper, Arista or HPE switch?
The FTLX3971MTCxx 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.
What temperature range is the FTLX3971MTCxx rated for?
The FTLX3971MTCxx is an industrial-temperature part. Industrial grade suits outdoor cabinets, telecom huts and plant floors.
What does the FTLX3971MTCxx part number mean?
The FTLX prefix marks Finisar's 10G family (SFP+, XFP, X2, XENPAK). The I letter in the suffix usually marks the industrial temperature grade. The remaining characters identify the optical design and build variant.
Is your FTLX3971MTCxx 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 FTLX3971MTCxx price in India and how do I order?
The Finisar FTLX3971MTCxx 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 FTLX3971MTCxx need?
It runs from 3.3 V (3.14–3.46 V) with power dissipation of 1.9 W (CDR on); 1.6 W (CDR off).
Documents
NextGen datasheetPDF · specs, FAQ & buying guideDownload datasheet
Finisar_FTLX3971MTCxx_Datasheet_NextGenNetworks.pdfManufacturer datasheet
Finisar / Coherent family datasheet
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