Juniper Networks SRX-GP-16GE 16-Port Gigabit Expansion Module

Juniper EX-UM-4X4SFP Uplink Module For EX4300 Switch - Same Day Shipping

lot of 17 GBICs Cisco glc-t

Juniper Networks SRX-GP-16GE 16-Port XPIM Switch Module

Axiom 1000BASE-LX SFP w/ DOM for Cisco SFP Transceiver (Fiber)

Cisco 30-1410-03 Plug-in Transceiver Module

HP 10GB SR SFP+ Transceiver Module 455885-001

x2 Cisco WS-X3500-XL GigaStack GBIC Transceiver with CAB-GS-50CM Cable