3com S330 用户手册

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Installation Procedures
33
Installation Procedures
This section provides detailed instructions for completing the steps in the 
installation procedure illustrated earlier in Figure 3.
Step 1 (Optional): Install
the Optional Modules in
the Unit
This section tells you how to install the optional modules in the PathBuilder 
S330/S310 chassis.
The PathBuilder S330/S310 supports three optional modules:
n
CBR module—a board consisting of one V.35/RS-366/RS-449/RS-530/X.21 
interface and three T1-DSX or E1 interfaces (one T1-DSX or E1 interface for the 
PathBuilder S310). It services traffic generated by your existing PBXs, channels, 
T1/E1 multiplexers, CSU/DSUs, and video conferencing devices. Install the CBR 
module in expansion slot 7. Figure 6 shows the CBR module connections.
Figure 6   CBR Module Connections
PBX
T1-DSX/E1
V.35/
RS-449/
RS-530/
X.21
Video/Audio
Codec
RS-366