Cisco

We buy/sell used Cisco: Cerent 15454 NEBS3 SONET 10720 ESR10000 UBR7200 UBR10000 UBR10 SFP-GE CATALYST WS-C3750G WS-C4948 WS-C3750 WS-SUP720 OSM-20C12 WS-X6K XENPAK OSM-80C3 C2651XM ONS VWIC 7120 7140 7304 PA-A3 PA-A6 GBIC UBR10 WS-C2940 UBR-MC28C UBR MC16S WS-C2950 576-LRE WS-C3548 WS-C3750G WS-C4948 WS-CSUP720 WS-SVC-CMM WS-X6148 WS-X6548 WS-X6348 OSM-16 OSM-20C12 SONET OSM-40C12 OSM-80C3 GLC-BX WS-X6K-S2 WS-X6K-SUP1A XENPACK-10GB2621XM 3745 C3745-T1-48 VWIC-2MFT 3845 3825