Polycom DOC2238A User Manual
Page 126
Chapter 4 - Hardware Description
4-46
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The IO-8 card connects eight PRI/Leased connections from the MGC+ rear
panel to a Net-8 ISDN/T1-CAS Network Interface Module.
Figure 4-28: ISDN/T1-CAS Network connection for eight spans
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The LAN-IO Card on the rear MGC+ panel connects an IP connection to the
H.323 Network Interface Module.
Figure 4-29: One H.323 Network connection