G3 Interface Unit (D393)
SM 17 D545
Fax option
Type C5501
D545
8. Attach the socket of harness [A] (LINE2) to the modular bracket [B] for SG3.
9. Connect the harness [A] to the SG3 interface unit [B] (
x 4).
10. Attach the modular bracket for SG3 to the controller box (
x 2).
11. Reinstall the controller box.
For Installing the Double G3 Boards
1. Remove one of SG3 boards from the SG3 interface units and then attach the SG3 board
to the other SG3 interface unit (
x 2).