Finisar 100G SR4 QSFP28 Transceiver Overview
The Finisar 100G SR4 QSFP28 Transceiver (FTLC9555REPM) is a high-performance, low-latency optical transceiver designed for 100G Ethernet connectivity in modern data centers, cloud networks, and enterprise switching systems. It delivers ultra-fast data transmission with excellent stability, making it one of the most trusted QSFP28 modules for high-speed networking environments.
This 100G SR4 optical module uses 850nm VCSEL technology and supports multimode fiber (MMF) for short-range high-bandwidth communication.
Finisar FTLC9555REPM – 100G QSFP28 SR4 Specification
| Parameter | Specification |
|---|
| Manufacturer | Finisar (Coherent / II-VI) |
| Part Number | FTLC9555REPM |
| Form Factor | QSFP28 |
| Data Rate | 100G (103.1 Gb/s aggregate) |
| Transmission Type | 100GBASE-SR4 |
| Fiber Type | Multimode Fiber (MMF – OM3 / OM4) |
| Max Distance | Up to 70m (OM3), 100m (OM4) |
| Wavelength | 850 nm |
| Channel Configuration | 4 × 25Gb/s parallel lanes |
| Transmitter Type | VCSEL (850 nm) |
| Receiver Type | PIN Photodiode |
| Connector Type | MPO / MTP-12 |
| Electrical Interface | CAUI-4 |
| Power Supply | 3.3V |
| Power Consumption | < 2.5W |
| Operating Temperature | 0°C to 70°C |
| Digital Diagnostics (DOM) | Yes (I2C interface) |
| Modulation | NRZ |
| Standards Compliance | IEEE 802.3bm, QSFP28 MSA |
| RoHS Compliance | Yes |
| Hot Pluggable | Yes |
| Application | 100G Ethernet, Data Centers, Switch-to-Switch links |
H2: Best Application for in Bangladesh
The Finisar 100G SR4 QSFP28 Transceiver is widely used in Bangladesh for:
- Data center interconnect (DCI)
- Internet Service Providers (ISP) backbone networks
- Telecom infrastructure upgrades
- Enterprise core switching systems
- Cloud server farms
- High-speed LAN & SAN networks
It is ideal for organizations in Bangladesh that require high-speed, stable, and scalable 100G networking solutions.
H2: How to Install Finisar 100G SR4 QSFP28 Transceiver
Installing the module is simple and does not require advanced tools:
- Power off the networking device (recommended)
- Insert the QSFP28 module into the compatible port
- Connect MPO/MTP fiber cable securely
- Ensure correct polarity of fiber connectors
- Power on the device
- Check interface status from switch/router dashboard
- Verify link speed is 100G active
Always use clean fiber connectors to avoid signal loss.
Compatibility Devices
The FTLC9555REPM is compatible with:
- Cisco Nexus Series switches
- Juniper QFX Series
- Arista 7050 / 7060 Series
- Huawei CloudEngine switches
- Dell EMC Networking switches
- HP / HPE data center switches
- Other QSFP28 100G supported devices
Why Choose Finisar 100G SR4 Transceiver?
- Trusted global optical brand
- Stable performance under heavy network load
- Energy efficient 100G transmission
- Perfect for modern hyperscale data centers
- Long-term reliability and durability
Where to Buy in Bangladesh
Get the Finisar 100G SR4 QSFP28 Transceiver (FTLC9555REPM) from authorized distributor:
- ✔ 100% Genuine Product
- ✔ Official Warranty Support
- ✔ Best Wholesale & Retail Price in Bangladesh
- ✔ Technical Support Available
You can purchase this product directly from Datacom Technologies (BD) showroom or order online.
- Visit our shop: Elephant Road, Dhaka
- Delivery available all over Bangladesh
Buy Finisar 100G SR4 QSFP28 Transceiver from Datacom (BD)
- ✔ Ready stock available
- ✔ Best price guaranteed
- ✔ 1-year warranty
- ✔ Professional after-sales support
Order online or visit Datacom shop to get the best deal today.
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Frequently Asked Questions (FAQ)
1. What is the Finisar FTLC9555REPM 100G SR4 QSFP28 transceiver?
The Finisar FTLC9555REPM is a 100G QSFP28 SR4 optical transceiver module designed for short-range high-speed Ethernet connections over multimode fiber (MMF). It is widely used in data centers and enterprise networks for 100G connectivity.
2. What is the maximum distance supported by this SR4 module?
This module supports up to 100 meters over OM4 multimode fiber (MMF) and is optimized for short-range high-speed interconnects inside data centers.
3. What type of fiber and connector does FTLC9555REPM use?
- Fiber Type: Multimode Fiber (OM3 / OM4)
- Connector: MPO/MTP-12
- It uses a parallel 8-fiber structure (4Tx + 4Rx) for 100G transmission.
4. What data rate does this module support?
It supports a total bandwidth of 103.1Gbps (4 × 25.78Gbps lanes) for 100G Ethernet applications.
5. What is the wavelength used in SR4 transceiver?
The FTLC9555REPM operates at 850nm wavelength, optimized for multimode short-range transmission using VCSEL lasers.
6. Is Finisar FTLC9555REPM compatible with Cisco, Juniper, and other brands?
Yes, it is compatible with major networking vendors such as Cisco, Juniper, Arista, Huawei, and Dell, depending on device coding support.
7. Does this module support hot-swapping?
Yes, it is a hot-pluggable QSFP28 module, allowing installation or removal without shutting down network devices.
8. What is the power consumption of FTLC9555REPM?
It consumes less than 2.5W, making it highly energy-efficient for dense data center environments.
9. What is the difference between SR4 and LR4 modules?
- SR4: Short-range (up to 100m, multimode fiber, MPO cable)
- LR4: Long-range (up to 10km, single-mode fiber, LC connector)
- SR4 is more cost-effective for intra-data center connectivity.
10. Is Finisar SR4 suitable for Bangladesh data centers?
Yes, it is widely used in Bangladesh ISP networks, data centers, and enterprise infrastructures for reliable 100G short-range connectivity.
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