AT&T 3B2/300 Technical Reference Manual page 585

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CM190A/ED-4C637-30 SYSTEM BOARD INTERCONNECTIONS
Figure B-1 shows the layout of the CM190A System Board. Figure B-2 shows the layout of the
System Board, ED-4C637-30. Refer to these figures for system board connector location information.
Pin and signal information is provided in tables following the figures for each of the system board
connectors. The connector tables are presented in sequence by connector designation. The figures are
printed front and back with a blank unit so that either figure can be used in conjunction with any table.
CONNECTOR AND CABLING INFORMATION B-3