Cisco SMFIR 4-155/B MGX-SMFIR-4-155/B Fiber Interface Back Card Module

Cisco Systems SMFIR 4-155/B back card/module as shown. Unit is untested. Jumper wires have been added on the PCB, indicating a prior repair/modification. Bracket and board show normal handling wear and light marks; only the card/module is included. I've got plenty more for sale — check out my other listings, updated weekly. Buying multiple items? I can bundle them to cut down on shipping costs and get you a better deal.