Change over of 40 I/O-Ports to port A or B
2-pole-relais
19", 3 HU-rack
1 power supply/control unit
5 relais cards by 8 channels
Upgradable in steps of 8 up to 72 channels
I/O Port: D-Sub 25-pol female
Port A, B: D-Sub 25-pol male
2 RS-485 interfaces: D-Sub 9-pole, male