Cisco CFP2-100G-ER4 100G ER4 CFP2 Transceiver – 40km SMF Reach
The Cisco CFP2-100G-ER4 is a high-performance 100 Gigabit Ethernet transceiver designed for long-haul and metro network applications. Built on the compact CFP2 form factor, this module supports 100GBASE-ER4 over single-mode fiber (SMF) with a maximum reach of up to 40 km. It delivers reliable, high-capacity connectivity for data center interconnect (DCI), service provider backbones, and enterprise core networks.
Featuring four LAN-WDM wavelengths and duplex LC optical connectors, the CFP2-100G-ER4 ensures line-rate 103.125 Gbps performance with ultra-low power consumption under 9W. It supports Forward Error Correction (FEC) at the host level for enhanced signal integrity and provides Digital Optical Monitoring (DOM) for real-time diagnostics.
The transceiver is fully compatible with Cisco NCS, ASR 9000, and Nexus platforms, and adheres to the CFP2 MSA standard, ensuring interoperability across a wide range of networking environments. With hot-swappable design, robust EMI/ESD compliance, and extended commercial temperature support (0°C to 70°C), it is optimized for carrier-grade deployments and high-density optical transport.
Upgrade your network with the Cisco CFP2-100G-ER4 for long-distance, high-capacity, and reliable 100G Ethernet connectivity.
Product Specifications – Cisco CFP2-100G-ER4 100G ER4 CFP2 Transceiver Module
CLICK HERE FOR DATA SHEET
| Specification |
Details |
| Model Number |
CFP2-100G-ER4 |
| Description |
Cisco CFP2-100G-ER4 is a hot-swappable optical transceiver supporting 100 Gigabit
Ethernet over single-mode fiber (SMF) with extended reach up to 40 km using ER4 optics.
Designed for high-density deployments in data centers, metro, and core networks. |
| Data Rate & Protocol |
Line rate: 103.125 Gbps (100GBASE-ER4)
IEEE 802.3ba compliant
Forward Error Correction (FEC) required at host level |
| Optical Interface |
Connector type: Duplex LC
Transmission distance: Up to 40 km over SMF
Wavelengths: 1295.56, 1300.05, 1304.58, 1309.14 nm
Optical modulation: 4 × 25.78125 Gbps LAN-WDM |
| Electrical Interface & Form Factor |
Form factor: CFP2
Host interface: 4 × 25G NRZ lanes
MDIO interface for diagnostics and management
Hot-swappable and pluggable |
| Compatibility |
Compatible with Cisco routers and switches supporting CFP2 slots
Supported on Cisco NCS, ASR 9000, and Nexus platforms
Complies with CFP2 MSA (Multi-Source Agreement) |
| Power & Environmental |
Typical power consumption: <9W
Operating temperature: 0°C to 70°C (commercial range)
Digital Optical Monitoring (DOM) supported
EMI and ESD compliant |
| Applications |
Long-haul 100G Ethernet links
Data center interconnect (DCI)
Core, edge, and metro aggregation
High-density optical transport |
| Design & Build |
Hot-swappable CFP2 module for easy upgrades and maintenance
Compact design optimized for high-density deployments |
FAQs for CFP2-100G-ER4:
How far can the CFP2-100G-ER4 module transmit data?
It supports transmission distances up to 40 km over single-mode fiber using ER4 optics.
Is this module compatible with standard Cisco 100G CFP2 slots?
Yes, it is fully compatible with Cisco platforms that support CFP2 transceivers, including select NCS, ASR 9000, and Nexus models.
What type of fiber and connectors are required?
It uses duplex LC connectors and standard single-mode fiber (SMF) for long-distance transmission.
Does it require Forward Error Correction (FEC)?
Yes, host-side FEC is required to ensure error-free transmission over extended distances.
Can it be used in data center interconnect (DCI) applications?
Absolutely. With its 40 km reach and high bandwidth, it’s an excellent choice for DCI, metro, and core network deployments.
