Multi-Tech Systems MT2456SMI22 - Manual (Page 47)

Appendix A – Test/Demo Card Information
Multi-Tech Systems, Inc. MT2456SMI-22 SocketModem Developer’s Guide 47
Appendix A – Test/Demo Card
Information
Block Diagram
Speaker
DS1
Modem
Module
Power
Supply
Power
Switch
Power
Connector
RJ-11
Connector
DB-25
RS-232
Volume
Control
Tip/Ring
Fuse
Transceiver
(RS-232)
Figure A–1. Serial Test/Demo Board Block Diagram