5.4 FAX UNIT CONFIGURATION
Component
MBU
GWFCU
Speaker
Expansion Memory
Handset Type 1018
SM
Code
No.
3
D432/
Included with the fax unit
2
D433
1
G578
4
Optional only for D432
B433
-
NA only. Also used with AT/AP-C2
145
Fax Unit Configuration
Remarks
D432/D433