Cisco QSFP-100G-SR4-S Transceiver Module
The Cisco QSFP-100G-SR4-S is a high-speed 100G QSFP28 optical transceiver designed for short-range data transmission in enterprise networks and data centers. It supports up to 100 meters over OM4 multimode fiber and uses an MTP/MPO connector for reliable high-bandwidth connectivity. This hot-pluggable module ensures efficient 100GbE performance and seamless compatibility with Cisco switches and networking platforms.
Specification Table for the Cisco QSFP-100G-SR4-S Transceiver Module
| Specification | Details |
|---|
| Manufacturer | Cisco |
| Part Number | QSFP-100G-SR4-S |
| Form Factor | QSFP28 |
| Ethernet Standard | 100GBASE-SR4 |
| Maximum Data Rate | 100 Gbps (103.125 Gbps aggregate) |
| Fiber Type | Multimode Fiber (MMF) |
| Maximum Distance | 70 m (OM3) / 100 m (OM4) |
| Connector Type | MTP/MPO-12 |
| Wavelength | 850 nm |
| Number of Lanes | 4 × 25 Gbps |
| Modulation Format | NRZ |
| Transmitter Type | VCSEL Laser |
| Receiver Type | PIN Photodiode |
| Transmit Power | -8.4 dBm to +2.4 dBm per lane |
| Receiver Sensitivity | < -10.3 dBm |
| Power Consumption | ≤ 3.5 W |
| Digital Diagnostics | Supported (DDM / DOM) |
| Operating Temperature | 0°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Compliance Standards | IEEE 802.3bm 100GBASE-SR4, QSFP28 MSA, SFF-8636, SFF-8665 |
| Fiber Connector Type | Parallel MPO/MTP 12-fiber |
| Hot-Swappable | Yes |
Cisco QSFP-100G-SR4-S Transceiver Module – Full Product Guide
The Cisco QSFP-100G-SR4-S Transceiver Module is a high-speed 100-Gigabit QSFP28 optical transceiver designed for short-distance data transmission over multimode fiber (MMF) networks. It operates at an 850 nm wavelength and supports the 100GBASE-SR4 Ethernet standard, making it ideal for high-bandwidth connectivity in modern data centers and enterprise network infrastructures.
This module uses an MTP/MPO-12 connector and transmits data through four parallel channels, each running at approximately 25 Gbps, achieving an aggregated data rate of up to 100 Gbps. It supports transmission distances of up to 70 m on OM3 fiber and up to 100 m on OM4 fiber, which is suitable for short-range connections such as switch-to-switch or server-to-switch links inside data centers.
The transceiver is hot-pluggable, supports Digital Diagnostic Monitoring (DDM) for real-time monitoring, and complies with IEEE 802.3bm and QSFP28 MSA standards, ensuring reliability and compatibility with Cisco networking equipment.
Key Features
- Supports 100Gbps data rate for high-performance networking
- QSFP28 form factor for high-density network devices
- 850 nm VCSEL laser technology for short-range transmission
- Up to 100 m distance on OM4 and 70 m on OM3 multimode fiber
- MTP/MPO-12 optical connector for parallel fiber connections
- Hot-swappable design for easy installation and replacement
- Digital Diagnostic Monitoring (DDM/DOM) support
- Low power consumption (~3.5W) for energy-efficient operation
- Compliant with IEEE 802.3bm 100GBASE-SR4 standard
How to Install the Module
1. Check Device Compatibility
- Make sure your switch or router has a QSFP28 100G port that supports SR4 optics.
2. Remove Protective Caps
- Carefully remove the dust caps from both the transceiver module and the MTP/MPO fiber cable.
3. Insert the Transceiver
- Slide the module into the QSFP28 port until it clicks into place.
4. Connect the Fiber Cable
- Attach the MTP/MPO-12 multimode fiber cable to the module.
5. Verify Detection
- Use CLI to verify the module is detected.
- Example command: show interface transceiver details
6. Confirm Link Status
- Check if the interface is active: show interface status
If the port shows up/up, the installation is successful.
Compatibility
The Cisco QSFP-100G-SR4-S works with many Cisco switches and networking devices that support QSFP28 ports.
Common compatible devices include:
- Cisco Catalyst 9400 / 9500 / 9600 Series
- Cisco Nexus 3000 / 9000 Series
- Cisco high-performance data center switches
- 100G network interface cards (NICs)
It is commonly used for data center interconnects, server connectivity, and high-speed switching infrastructure.
Typical Applications
- Data center network connectivity
- High-performance computing (HPC) clusters
- Enterprise core network backbone
- Switch-to-switch connections
- Server-to-switch links
These environments require short-distance but extremely high-speed 100G communication.
FAQ (Frequently Asked Questions)
1. What is Cisco QSFP-100G-SR4-S used for?
It is used for 100-Gigabit Ethernet connectivity over multimode fiber in data centers and enterprise networks.
2. What is the maximum distance supported?
- OM3 fiber: up to 70 meters
- OM4 fiber: up to 100 meters
3. What connector does it use?
The module uses an MTP/MPO-12 optical connector.
4. What wavelength does it operate on?
It operates at 850 nm wavelength using VCSEL technology.
5. Does it support breakout connections?
Yes. It can support 100G to 4×25G breakout connections using MPO-to-LC breakout cables.
6. Does the module support hot-swap?
Yes, the module is hot-pluggable, meaning it can be installed or removed without shutting down the device.
7. What is the typical power consumption?
The typical power consumption is around 3.5 W.
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What is the price of Cisco QSFP-100G-SR4-S Transceiver Module in Bangladesh?
The lowest price of Cisco QSFP-100G-SR4-S Transceiver Module in Bangladesh is 70,000৳. You can buy the Cisco QSFP-100G-SR4-S at best price from our website or visit our Office.
For the most accurate pricing, stock availability, and warranty details, we recommend contacting us before placing your order.
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