Condition: New
Rhino MOD-4FXSPorts: 4 FXSFor use in Rhino Channel Banks Product Description Rhino's 4 port FXS module (MOD-4FXS) adds an additional four analog FXS 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