Cisco Module VIC-2FXO Condition:Refurbished The 1-port and 2-port T1

The 1-port and 2-port T1 Multi-Flex Trunk VWICs are not like the T1 channel service unit/data service unit (CSU/DSU) (WIC-1DSU-T1)

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Cisco Module VIC-2FXO Condition:Refurbished The 1-port and 2-port T1Fully Refurbished and Tested with Lifetime Warranty The Cisco Foreign Exchange Office (FXO) interface is an RJ 11 connector that allows an analog connection to be directed at the public switched telephone network's (PSTN's) central office or to a station interface on a private branch exchange (PBX). The FXO sits on the switch end of the connection. It plugs directly into the line side of the switch so the switch thinks the FXO interface is a telephone.