Specifications

Chapter 6 – SocketModem IP ( MT5656SMI-IP)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342I) 104
SocketModem Configuration
Serial Configuration
The SocketModem IP uses a 20-pin interface to provide an on-board DAA with tip and ring connections, audio circuit
for call-progress monitoring and serial interface via logic level signals.
Note: 5-Volt Tolerant Signal Inputs are –DTR –TXD, –RTS and –RESET.
Drawing Note: The bolded, shaded pins are the active SocketModem IP pins.
Top View
SocketModem IP Pinout
For pin descriptions, see the Universal Pinout Descriptions in Chapter 1.