3.6.76
Remote Extension Intercom Call:
1.
For internal extension refer to 3.6.65 and 3.6.66.
2.
Check
cabling as follows:
3.
remote extension
Station A-pair from main equipment
RD,BK:
Station B-pair from main equipment
Check that the
has power, is turned on, and that the pilot lamp is lit. Check fuses all
are 1 AMP.
4.
5.
6.
7.
Check voltage between wires to station, must be 48V remote extension on hook. If voltage
is wrong, recheck fuses and replace RXB board.
If no dial tone, replace RTB board.
Check transmitter, receiver, switchhook and wiring of remote extension.
Replace RXB board.
3.6.77
1.
2.
Remote Extension Intercom Call:
For Internal Extension refer to 3.6.65, 3.6.66 and 3.6.67.
Remote extension must be a standard decadic telephone. Test the
on an
exchange line.
3.
4.
5.
6.
Test called station and confirm its operation.
Check that a 221FB board and an RXB board are installed for each remote station.
Replace RXB board.
Replace 221FB board.
3.8.78
1.
2.
3.
Remote Extension ADD ON:
For Internal Extension refer to 3.6.68.
The switchhook is flashed by depressing it for about half a second. If switchhook
unsuccessful, try again.
Replace RXB board.
3.6.79
Remote Extension Disconnection:
1.
For Internal Extension, refer to 3.6.69.
2.
Check that telephone is on hobk for at least a second.
3.
Change remote extension.
4.
Replace RXB board.
5.
Replace 221FB board.
3.6.80
Remote Extension Intercom Call Received:
1.
For Internal Extension, refer to 3.6.70.
2.
Change remote extension.
3.
Replace RTB board.
4.
Replace RXB board.
5.
Replace 221FB board.
flash is
183
ISSUE 1