Cisco ONS Cerent DS3-12E 15454 Interface Module Card

Cisco ONS 15454-DS3 N-12 Protection Interface Card (SNTUBBPBAA)

Cisco 15454-DS3 -N-12 Electrical Interface Card ( Used)

CISCO 15454-DS3N-12 15454 12-PORT DS3 MODULE, 1:N PROTN

CISCO 15454-OSCM ONS 15454 Optical Service Channel

Avaya/Nortel AA1419065-E6 SFP 1550nm 1000BASE-CWDM 70KM SFP

HPE JG661A X140 40G QSFP+ LC LR4 SM XCVR Transceiver -Used -Tested

SFP-10G-SR-S 10GBASE-SR SFP Module, Enterprise-Class