Specifications

C-6
Reference Guide
Model No.
Running Head
DCE
Data Communications Equipment
DCS
Digital Cross-connect System
D-channel
Full-duplex, 16 kbps BRI channel or 64 kbps PRI ISDN channel.
DDS
Digital Data Service
d/i
Drop and Insert, one of the modes of operation for the WAN card.
DID
Direct Inward Dialing
DLC
Digital Loop Carrier
DLCI
Data Link Connection Identifier
DMA
Direct Memory Access
DPO
Dial-Pulse Originating
DPT
Dial-Pulse Terminating
DS0
Digital Signal - Zero, the standard bandwidth for digitized voice channels. Also referred to as
a time slot.