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C-2 APPENDIX C: INSTALLING I/O CARDS
Figure C-1 Asynchronous I/O Card Major Components and Ports
Synchronous I/O
Card
The synchronous card provides a V.35, RS-449, RS-232, or X.21
synchronous interface that can be used to interconnect the
AccessBuilder to a synchronous modem for digital lease line
connections.
Figure C-2 shows the major components of the synchronous card and
the external port on the back panel.
Port 1
Port 1
Port 4
Port 8
ab4kbook Page 2 Thursday, March 27, 1997 11:51 AM