Overview
The Cisco QSFP-100G-PSM4-S compatible QSFP28 optical transceiver module is designed for high-speed 100G Ethernet links in modern data center environments. It operates based on the 100GBASE-PSM4 standard, delivering reliable and efficient data transmission over single-mode fiber (SMF) up to 500 meters.
This module uses a 1310nm wavelength with MPO/MTP-12 interface, supporting parallel 4×25Gbps channels for stable, low-latency, and high-bandwidth optical communication. It is fully compliant with QSFP28 MSA and IEEE 802.3bm standards, ensuring seamless integration with Cisco switches and other major networking platforms.
Ideal for spine-leaf architecture, cloud data centers, and high-performance computing networks, this transceiver offers a cost-effective and scalable 100G solution.
Quick Specifications
| Item | Description |
|---|
| Product Type | QSFP28 Optical Transceiver |
| Standar | 100GBASE-PSM4 |
| Data Rate | 100Gbps |
| Wavelength | 1310nm |
| Maximum Distance | 500m over SMF |
| Connector | MPO/MTP-12 |
| Fiber Type | Single-mode fiber (SMF) |
| Lanes | 4×25Gbps |
| Power Consumption | ≤ 3.5W |
| Digital Diagnostics | Supported (DDM/DOM) |
| Operating Temperature | 0°C to 70°C |
Technical Parameters
| Parameter | Specification |
|---|
| Form Factor | QSFP28 |
| Modulation Format | NRZ |
| Transmitter Type | DFB Laser |
| Receiver Type | PIN Photodiode |
| TX Power | -9.4 ~ +2 dBm |
| RX Sensitivity | < -12 dBm |
| Protocol Compliance | IEEE 802.3bm, QSFP28 MSA |
| Cable Type | MPO-12 APC |
| Monitoring | Temperature, voltage, TX/RX power |
Key Features
- Supports 100G high-speed Ethernet transmission
- 4×25Gbps parallel optical lanes (PSM4 technology)
- Up to 500m reach over single-mode fiber (SMF)
- MPO/MTP-12 high-density optical interface
- Low power consumption ≤ 3.5W
- Fully compatible with Cisco QSFP28 100G ports
- Built-in Digital Diagnostic Monitoring (DDM/DOM)
- Hot-pluggable QSFP28 form factor
- Stable performance for data center backbone networks
Applications
- Data center spine-leaf architecture
- Cloud computing interconnect networks
- Enterprise core network upgrades
- High-performance server-to-switch connectivity
- Metro aggregation short-reach optical links
100G PSM4 vs SR4 vs LR4 Comparison
| Type | Interface | Distance | Fiber Type | Cost Level | Application |
|---|
| PSM4 | MPO | 500m | SMF | Low | Data center interconnect |
| SR4 | MPO | 100m | MMF | Medium | Rack-to-rack links |
| LR4 | LC | 10km | SMF | High | Long-distance transmission |
Conclusion:
PSM4 is the most cost-efficient solution for 100G short-reach single-mode fiber transmission within data centers.
FAQ
Q1: Is this module compatible with Cisco equipment?
Yes, the QSFP-100G-PSM4-S compatible transceiver is designed for seamless operation with Cisco QSFP28 100G ports and supports plug-and-play installation.
Q2: What is the maximum transmission distance?
It supports up to 500 meters over single-mode fiber (SMF) using MPO-12 connectivity.
Q3: What type of fiber cable is required?
This module requires OS2 single-mode fiber with MPO/MTP-12 APC connectors.
Q4: What is the difference between PSM4 and LR4?
PSM4 uses parallel 4-lane transmission over MPO fiber for short-reach links (500m), while LR4 uses WDM technology over LC duplex fiber for long-distance transmission up to 10km.
Q5: Does it support Digital Diagnostic Monitoring (DDM)?
Yes, it supports real-time monitoring of temperature, voltage, TX/RX optical power, and other key parameters.
Q6: Can it work with third-party switches?
Yes, it is widely compatible with Cisco, Juniper, Arista, and Huawei platforms, depending on port configuration and coding requirements.
Quality & Warranty
- 100% tested before shipment
- Strict quality control and inspection process
- Compatible coding available upon request
- 1 years warranty (customizable)
- Professional technical support for deployment and compatibility testing
- Bulk pricing available for data center projects
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