User guide

Chapter 1 – Product Description and Specifications
12 Multi-Tech Systems, Inc. MultiConnect AW User Guide
Command Connector
The following table explains the pin functions.
External Power
Command Connector
(DE-9 - Female)
Signal IN/OUT
Pin 1 CD O
Pin 2 RX O
Pin 3 TX I
Pin 4 DTR I
Pin 5 GND --
Pin 6 DSR O
Pin 7 RTS I
Pin 8 CTS O
Pin 9 RI O
Modem Connector – MT100A2W Only
The following table explains the pin functions.
External Power
Modem Connector
(DE-9 - Male)
Signal IN/OUT
Pin 1 --
Pin 2 TX O
Pin 3 RX I
Pin 4 --
Pin 5 GND --
Pin 6 DTR I
Pin 7 CTS I
Pin 8 RTS O
Pin 9 --