16
C
HAPTER
2: I
NSTALLATION
■
Voice compression module
— A board consisting of one T1-DSX or E1
interface. It services traffic generated by your existing PBXs, channels, T1/E1
multiplexers, CSU/DSUs, and video conferencing devices. Install the voice
compression module in slot 7 or slot 8. Figure 7 shows the VCM module
connections.
Figure 7
Voice Compression Module Connections
PBX
T1-DSX/E1