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Finisar FTLC1156RDPLA 100G eLR4 QSFP28 20km
100 Gb/s 100G eLR4 QSFP28 transceiver, LAN-WDM 1295-1310nm, up to 20km, commercial temperature.
- Manufacturer
- Coherent Corp. (formerly Finisar / II-VI)
- Mfr part number
- FTLC1156RDPLA
- Family
- FTLC1156
- Category
- Fiber optic transceiver modules
- Datasheet
- FTLC1156RDPLA datasheet (PDF)
FTLC1156RDPLA specifications
| Attribute | Value |
|---|---|
| Manufacturer | Coherent Corp. (Finisar) |
| Manufacturer part number | FTLC1156RDPLA |
| Product family | FTLC1156 |
| Form factor | QSFP28 |
| Standards / application | QSFP28 MSA; IEEE 802.3ba 100GBASE-LR4; IEEE 802.3bm CAUI-4 |
| Data rate | 103.1 Gb/s aggregate; 4x 25.78125 GBd |
| Wavelength | 1294.53–1296.59 / 1299.02–1301.09 / 1303.54–1305.63 / 1308.09–1310.19 nm |
| Laser | 4x25Gb/s DFB-based LAN-WDM transmitter |
| Receiver | 4 photodetectors (PIN) |
| Reach | 10 km SMF |
| Connector | Duplex LC |
| Tx output power | −4.3 to 4.5 dBm avg per lane |
| Rx sensitivity | −8.6 dBm OMA per lane |
| Rx overload / max input | Damage threshold 5.5 dBm |
| Extinction ratio | 4 dB |
| Supply voltage | 3.3 V (3.135–3.465 V) |
| Power dissipation | 3.5 W max |
| Operating temperature | Commercial |
| Diagnostics | Digital diagnostics via I2C |
| Compliance | RoHS-6 |
| 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 FTLC1156RDPLA
The Finisar FTLC1156RDPLA (now a Coherent Corp. product, formerly II-VI) is a QSFP28 100G eLR4 optical transceiver for 100 Gb/s links at LAN-WDM 1295-1310nm over SMF duplex (LC), with reach up to 20km. It is a commercial-temperature part. It belongs to Finisar's FTLC1156 family, which has 4 orderable variants that differ by temperature grade, latch, receiver build or wavelength channel. Typical uses: 100G Ethernet data-centre fabrics, DCI, metro aggregation and InfiniBand EDR.
- Hot-pluggable QSFP28 form factor
- Adaptive CTLE
- 4x25G retimed electrical interface
- Single 3.3V power supply
- I2C management interface
FTLC1156RDPLA: frequently asked questions
What is the Finisar FTLC1156RDPLA?
The FTLC1156RDPLA is a Finisar QSFP28 transceiver for 100G eLR4 at 100 Gb/s. Finisar is now part of Coherent Corp. (formerly II-VI), and the part number is unchanged. It is used for 100G Ethernet data-centre fabrics, DCI, metro aggregation and InfiniBand EDR.
What is the maximum distance of the FTLC1156RDPLA?
The FTLC1156RDPLA is specified for up to 20km over SMF duplex (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 FTLC1156RDPLA?
Per the Finisar family datasheet, the FTLC1156RDPLA transmits −4.3 to 4.5 dBm avg per lane and has a receiver sensitivity of −8.6 dBm OMA per lane. Maximum receiver input is Damage threshold 5.5 dBm.
Does the FTLC1156RDPLA support DDM / digital diagnostics?
Yes. Digital diagnostics via I2C. Your switch can read live temperature, voltage, laser bias and Tx/Rx power.
Which fiber and connector does the FTLC1156RDPLA use?
The FTLC1156RDPLA works at LAN-WDM 1295-1310nm over SMF duplex (LC). Both ends of a link must use the same optical standard.
Will the FTLC1156RDPLA work in my Cisco, Juniper, Arista or HPE switch?
The FTLC1156RDPLA follows the QSFP28 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.
FTLC1156RDPLA vs FTLC1156RDPL: what is the difference?
Both are in Finisar's FTLC1156 family. They differ in reach (20km vs 10km); build / application (100G eLR4 vs 100GBASE-LR4). Pick the variant that matches your temperature, latch and wavelength needs.
What temperature range is the FTLC1156RDPLA rated for?
The FTLC1156RDPLA is a commercial-temperature part. Choose an industrial (T) variant for outdoor or uncontrolled sites.
What does the FTLC1156RDPLA part number mean?
The FTLC prefix marks Finisar's 100G family (QSFP28 / CFP / CFP2 / CFP4). The C letter in the suffix usually marks the commercial temperature grade. The remaining characters identify the optical design and build variant.
Is your FTLC1156RDPLA 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 FTLC1156RDPLA price in India and how do I order?
The Finisar FTLC1156RDPLA 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 FTLC1156RDPLA need?
It runs from 3.3 V (3.135–3.465 V) with power dissipation of 3.5 W max.
Documents
NextGen datasheetPDF · specs, FAQ & buying guideManufacturer datasheet
Finisar / Coherent family datasheet
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