3Com 3C63311 Reference Guide - Page 45
Installation Procedures, Step 1 (Optional): Install the Optional Modules in the Unit
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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 Video/Audio Codec PBX V.35/ RS-449/ RS-530/ X.21 RS-366 T1-DSX/E1