Description
The Cisco QSFP-100G-FR-S is a 100G QSFP28 optical transceiver module designed for single-mode fiber (SMF) links up to 2 km using 1310 nm wavelength and LC duplex connectors.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Cisco |
| Category |
Optical Transceiver Module
|
| Part Number |
QSFP-100G-FR-S |
| Subcategory |
100G QSFP28 Single-Mode Transceiver
|
| Wavelength |
1310nm |
| Connector |
Duplex LC
|
| Transmitter |
EML
|
| TX Power |
-3.1~+4dBm
|
| Power Consumption |
≤4.3W |
| Data Rate |
103.125Gbps |
| Distance |
2km |
| Cable Type |
OS2 SMF |
| Receiver Type |
PIN |
| Receiver Sensitivity |
<-7.1dBm |
| Modulation Format |
PAM4 |
| Bit Error Ratio (BER) |
5E-5 |
| Mode |
Single-mode Fiber (SMF) |
| Weight |
0.1 kgs |
Information About QSFP-100G-FR-S
The Cisco QSFP-100G-FR-S is a 100GBASE-FR compliant optical transceiver module designed for high-speed data center and enterprise backbone connections. Using PAM4 modulation and a single 1310 nm wavelength, it delivers efficient, long-reach 100G Ethernet connectivity over single-mode fiber (SMF), supporting distances up to 2 km.
Key Features:
-
Form Factor: QSFP28 (Quad Small Form-factor Pluggable)
-
Maximum Data Rate: 103.125 Gbps
-
Transmission Distance: Up to 2 km over single-mode fiber (G.652)
-
Wavelength: 1310 nm (single-lambda)
-
Connector Type: Duplex LC
-
Modulation Format: PAM4
-
Forward Error Correction (FEC): Required on the host side (RS-FEC per IEEE 802.3cd)
-
Digital Optical Monitoring (DOM): Supported for real-time diagnostics
-
Optical Budget: ≥ 4 dB (sufficient for most SMF deployments)
-
Power Consumption: ≤ 4 W
-
Temperature Range: 0°C to 70°C (standard operating range)
-
Compliance: IEEE 802.3 100GBASE-FR1, CMIS 4.0, RoHS
-
Hot-Pluggable: Yes, for simplified upgrades and maintenance
The Cisco QSFP-100G-FR-S is a cost-effective, compact solution for extending high-speed 100G Ethernet over single-lambda optics. It offers a balance of performance, reach, and interoperability, making it a valuable asset for modern network infrastructures aiming for high bandwidth and efficient fiber utilization.