Delay and Echo Cancellation 129Configuring the VCM T1/E1 Port 129Configuring the VCM Card 131Configuring Virtual Circuits 132Supported Classes of Virtual Circuits 132Adding Virtual Circuits 133Adding PVC Virtual Circuits 134Configuring CBR Circuits for DBA 138Defining RS-366 (Video) Virtual Circuit Templates 140Defining RS-366 “Lite” Circuits for DSX-1/E1 CBR Ports 143Adding Voice Compression Module VCC Circuits 143Adding VCM Subchannel Circuits 146VCM Subchannel Virtual Circuit Example 148Virtual Circuit Parameters 150Common VIrtual Circuit Parameters 150MCPU Virtual Circuit Parameters 150T1/E1 UNI Port Virtual Circuit Parameters 151OC3/STM-1 Port Virtual Circuit Parameters 151Serial Port Virtual Circuit Parameters 151Ethernet Port Virtual Circuit Parameters 154CBR Module Virtual Circuit Parameters 154Voice Compression Module Virtual Circuit Parameters 156VC and VP Address Translation 156Viewing Existing Virtual Circuits 157Viewing Virtual Circuits for the Entire Chassis 157Viewing Virtual Circuits by Port or Group 158Modifying Existing Virtual Circuits 159Deleting Virtual Circuits 160Managing the Video Dial Feature 160Managing Video Dial-up Sessions 161Starting Video Dial-up Sessions 161Ending Video Dial-up Sessions 162Viewing the Video Call Routing Table 163P ATHB UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICSManaging System Alarms 165Viewing and Clearing Current Alarms 165PathBuilder S330/S310 Alarm Messages 166MCPU and CTX Module (System) Alarms 167Alarms Common to Several Interfaces 168T1/E1 UNI with IMA Module Alarms 170DSX-1/E1 CBR Module Alarms 175SIM Alarms 176Voice Compression Module Alarms 176Working with History Alarms 177Viewing and Printing History Alarms 177Clearing History Alarms 177
