148LED DescriptionLP/AL• On: The interface is in a loopback.• Off: No loopback or alarm is present.• Flashing: An alarm indication signal (AIS), loss of frame alignment (LFA)signal, or remote alarm indication (RAI) signal is present.Interface cables and the connection methodsFor more information about T1 interface cables and the connection methods, see" T1 interface."FIC-1VE1IntroductionThe 1-port E1 voice interface module (FIC-1VE1) can handle dense voice signals in VoIP system. Itprovides a CE1/PRI/R2 port, allowing the access of 30 channels of voice signals.Interface specificationsTable 201 Interface specificationsItem DescriptionConnector D15Number of connectors 1Operating modeCE1ISDN PRIR2Interface rate 2.048 MbpsCable• E1 120-ohm balanced twisted pair cable• 75ohm-to-120ohm adapter• Network interface connectorSupported service• R2 signaling• DSS1 signaling• IP Fax• General VoIP features in ComwareInterface LEDsFigure 169 FIC-1VE1 panel
