Cisco DS-SFP-FC8G-ER= SFP+ 8000Mbit/s 1550nm Single-mode network transceiver module

2/4/8-Gbps Fibre Channel Extended Reach SFP+, LC, Spare (40km Reach) The Cisco® Small Form-Factor Pluggable (SFP), Enhanced Small Form-Factor Pluggable (SFP+), and X2 devices for use on the Cisco MDS 9000 Family of products are hot-swappable transceivers that plug into ports on the Cisco MDS 9000 Family director switching modules and fabric switches. These transceivers give users the flexibility to choose different cabling types and distances on a port-by-port basis.

<b>Cisco 8-Gbps Fibre Channel SFP+ Modules</b>

Cisco 8-Gbps Fibre Channel SFP+ modules (Figure 3) provide Fibre Channel connectivity for the 2/4/8‑Gbps ports on the MDS 9000 Family platform. Three types are available: the Cisco Fibre Channel Shortwave SFP+ (part number DS-SFP-FC8G-SW), the Cisco Fibre Channel Longwave SFP+ (part number DS-SFP-FC8G-LW), and the Cisco Fibre Channel Extended Reach SFP+ (part number DS-SFP-FC8G-ER). Each offers 2/4/8-Gbps autosensing Fibre Channel connectivity.