Installation guide
DirectOut Technologies
®
page 23 of 30 © 2012 DirectOut GmbH D.O.TEC
®
M.1k2 Hardware & Installation Guide - Version 1.1
Appendix B
Appendix B
DSUB-9Pinassignments
RS232
The RS232 port handles bitrates of 9600, 19200, 38400 and 115200
bps without RTS/CTS support.
Pin Signal
2 RX
3 TX
5 GND
12345
6789
54321
9876
jack - male
GPO
The M.1k2 has four GPOs which can be switched manually or trig-
gered by certain events. Ground-free switching is performed by
Avago ASSR-1411-S optical MOSFETs, which can switch up to 60V,
0.6A AC or DC.
Pin Signal
1/6 GPO 1
2/7 GPO 2
3/8 GPO 3
4/9 GPO 4
12345
6789
jack - female
RS4xx
The RS4XX port can be configured to handle RS422 or RS485 sig-
nals and bitrates of 9600, 19200, 38400 and 115200 bps.
Pin Signal
1 GND
2 RS422 RX+
3 RS422 TX-/ RS485 RX -
4 GND
5
6 GND
7 RS422 RX-
8
RS422 TX+ / RS485 RX+
9
12345
6789
jack - female