Condition: New
Rhino MOD-4FXOPorts: 4 FXOFor use in Rhino Channel Banks Product Description Rhino's 4 port FXO module (MOD-4FXO) adds an additional four analog FXO ports to your new or existing Rhino Modular Channel Bank chassis.Features: * Immediate, Wink, Loop, Ground, Kewl and three DID start protocols * Complex impedance support * Caller ID capable * 5-year limited warranty