202 CHAPTER 4: F LEXIBLE INTERFACE CARDSFIC-2VT1Introduction 2-port T1 voice interface module (FIC-2VT1) can handle dense voice signals in VoIPsystem. It provides two CE1/PRI ports, allowing the access of 48 channels of voicesignals.n ■ VCPM is provided to users together with FIC-2VT1. Users can select VPMmodule as needed.■ VPM module is installed on the main board of FIC-2VT1.Interface Attributes The interface attributes of FIC-2VT1 are given in the following table.Interface LEDs FIC-2VT1 panel is shown in the following figure:Figure 248 FIC-2VT1 panelDescription of the LEDs on FIC-2VT1 panel is given in the following table:Table 147 Interface attributes of FIC-2VT1Attribute DescriptionConnector RJ45Number of connector 2Interface standard G.703/T1.102G.704AT&T TR 54016AT&T TR 62411ANSI T1.403Interface rate 1.544 MbpsCable type T1 cable (100-ohm standard shieldedcable)Operation mode CT1ISDN PRIServices BackupTerminal accessISDN