5.4 FAX UNIT CONFIGURATION
Component
MBU
FCU
FCU I/F
GWFCU I/F
Speaker
Expansion Memory
CCU I/F Board
SG3 Board
SG3 Board (2nd)
Handset Type 1018
SM
Code
No.
9
4
D545
2
Included with the fax unit
1
5
G578
3
Optional
8
D393
Optional
6
D393
7
Optional
B433
-
NA only. Also used with AT/AP-C2
185
Fax Unit Configuration
Remarks
D545