1.2.2 ISDN OPTION INSTALLATION
[F]
[D]
[E]
CAUTION
Before installing this option, do the following:
1. Print out all data in the printer buffer.
2. Turn off the main switch and disconnect the power cord and the
network cable.
1. Remove the jack window (ISDN) [A] from the panel [B].
2. Install the G4 unit [C] (3 screws) and harness clamp.
3. Connect the flat cable [D] to the connector [E] on the FCU board.
4. Connect the I/F board [F] to the G4 unit and connect the flat cable [D] to the I/F
board.
5. Attach the modular socket [G] to the bracket [H] and install the bracket (2
screws).
6. Connect the cable [I] to the G4 unit and route the cable (2 clamps [J]).
NOTE: When installing the fax unit and G4 unit simultaneously, turn on the DIP
switch [K] on the MBU board.
SM
[C]
[D]
[K]
1-7
FAX UNIT OPTIONS
[I]
[J]
[H]
[G]
[B]
[A]
[J]
G307I521.WMF
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