Multi-Tech Systems Modem Module MT3334SMI - Manual (Page 10)

ModemModule Developer’s Guide
MT3334SMI 10
Test/Demo Board Specifications
The ModemModule Test/Demo Board kit includes a modem module, a power transformer for the test
board, and a diskette (this Developer’s Guide manual, etc.). Figure 1-3 illustrates the demo/test
board and Figure 1-4 illustrates the Test/Demo board block diagram.
LED 4
LED 3
LED 2
LED 1
DS1
J4
J5
J3
J6
J1
S1
J7
J2
Figure 1-4. MT3334SMI Test/Demo Board
Designation Function
DS1 Speaker
J1 25-Pos. DSUB
J2 6-Pin Mod. Jack (Line Jack)
J3, J6 4-Pos. Connector
J4, J5 10-Pos. Connector
J7 2-Pos. Header
LED1-LED4 Red LED
S1 SPST Switch