Polycom DOC2237A - Manual (Page 137)

MGC Hardware and Installation Manual
4-65
• The IO-25 Card connects one ATM connection from the MGC rear panel
to an ATM-25 Network Interface Module.
Figure 4-37: One 25MB ATM Network connection
• The IO-155 Card connects one ATM connection from the
MGC rear panel to an ATM-155 Network Interface Module.
Figure 4-38: One 155 MB fiber optics ATM Network connection