Saab TankRadar G3, Service Manual

Page: 11 / 27

3 Equipment in the I/O Unit cabinet
11
G3 MaC Second edition, March 2000
3.3 I/O Terminal Digital Input -
description
1 LED, power
2 Connector (Power and Communication)
3 LED, ground Failure
4 LED, communication
5 Address Switches
6 Channel Switches (connected/disconnected)
7 Cable terminal
LED´s
Power (green) The lit LED indicates that the terminal has
power.
GND Failure (red) The lit LED indicates a ground failure
COM (yellow) The LED is lit every time the terminal is
communicating with the WS and indicates
that the communication is working.
COM
GND F
AIL
POWER
TMDI
7 6
4
3
2
1
5
Figure 3-3
The I/O Terminal Digital
Input.