Cisco Systems PVDM4 32 Channel to 256CH Factory Upgrade

Cisco 1000MBPS Single-Mode Rugged SFP

Cisco Systems Part# GLC-LX-SM-RGD=

Modules – SFP (mini-GBIC) - Gigabit Ethernet - Optical Fiber - 1 Total Number of Ports - Hot-swappable - 1000Base-LX/LH Network Technology - Single-mode - Multi-mode - Single-mode - 0.3" Height - 0.5" Width - 2. ...

4 Port L2 Ge Switch Network I/F Module

Cisco Systems Part# NIM-ES2-4

Modules – Expansion Module - 4.0 Total Number of Expansion Slots - SFP (mini-GBIC) - Cisco Switches: - 4451-X - 4431 - 4351 - 4331 - 4321 - Data Networking - Optical Network