Installation manual

INSTALLATION MTM700/MTM800 Mobile Terminal / Installation Manual 75

Radio-to-Data Device: Active Data Cable

The GMKN1022_ Active Data Cable provides a 5-wire RS232 interface (e.g. RxD, TxD, CTS, RTS,

DTR) between a computer and a mobile radio. The cable has to be connected to the 20-pin Acces-

sory Connector on the rear side of the radio and into the 9-pin connector of a Data Device (e.g. PC,

Laptop, console etc.)

The GMKN1022_ Active Data Cable is not repairable. Order a replacement cable as necessary.

Length: 2.0 m (6.56 feet)

Figure 35 Active Data Cable GMKN1022

Cable Connectivity

Table 18 Pin Assignment - Active Data Cable GMKN1022

9-Pin Connector Function 20-Pin Connector Function

1 DCD 3 External PTT

2RXD 8 GND

3 TXD 13 SWB +

4DTR 15 DTR

5 GND 17 CTS

6 DSR 18 RTS

7 RTS 19 TXD

8CTS 20 RXD

9 RI

R a d i o I n t e r f a c e B o x ( R I B )

T o t h e c o m p u t e r

T o R a d i o A c c e s s o r y

C o n n e c t o r

1 9

2 0

1 7

1 8