Multi-Tech Systems Modem Module MT3334SMI - Manual (Page 11)

Chapter 1 - Introduction and Description
MT3334SMI 11
Test/Demo Board Block Diagram
Speaker
DS1
Socket
Modem
Power
Supply
Power
Switch
Power
Connector
RJ-11
Connector
DB-25
RS-232
LEDs
Volume
Control
Tip/Ring
Fuse
Transceiver
(RS-232)
Figure 1-4. MT3334SMI Test/Demo Board Block Diagram