I/O Terminals In I/O Unit - Service; To Replace A Terminal - Saab TankRadar G3 Service Manual

Figure 3-4
The automatic fuse
switch on the I/O
Terminal Main Block
turns off the power in
the I/O Unit.
G3 MaC Second edition, March 2000
3.5

I/O Terminals in I/O Unit - service

To replace a terminal

1 Identify the faulty terminal.
2 In the Saab TankRadar I/O Unit, turn off the power by
turning the automatic fuse switch on the I/O Terminal Main
Block to the off position.
3 Disconnect the connector (power and communication) from
the terminal.
4 Disconnect the cables from the cable terminal.
Note: Make sure the cables are marked so you can re-connect
them.
5 Dismount the terminal from the rack.
Note: Depending on where the terminal is located in the cabinet,
it is dismounted either by turning it upwards or down-
wards.
6 Bring out the replacement terminal and compare settings
with the old one. Check the address switches and the jump-
ers.
7 Put the old terminal in an ESD protection bag for transport
to Saab Marine Electronics.
8 Mount the replacement terminal.
9 Connect the cables to the cable terminal.
3 Equipment in the I/O Unit cabinet
13