Oki B 4100 Maintenance Manual page 498

Facsimile transceiver
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CN1
LINE
1
2
3
4
5
6
CN2-2
TEL-2
Dial pulse genelator
1b
Ringing detection
2b
3b
Hookup detection
4b
Relay driver
5b
Sending level
6b
Receiving level
CN2-1
TEL-1
1a
2a
3a
4a
5a
6a
Option
CN2
HOOK
3
4
2
ON HOOK
1
OFF
HOOK
L2
L1
CN3
1
2
3
4
5
6
TELU
3
4
2
1
CN1
DB1
CN2
1
2
3
4
Speech
Circuit
HAND
SET

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