Brother Facsimile Equipment MFC7420 - Manual (Page 316)

App. 4-53 Confidential
WSW50 (SDAA settings)
Selector
No.
Function Setting and Specifications
1
2
Percentage voltage for
interpreting the external
telephone as being hooked up
(based on the network's standard
voltage) (Not used)
No. 1 2
0
0 : 80%
0 1 : 90%
1 0 : 70%
1 1 : No detection
3
DC mask curve table to be
applied when the line is
connected
(Not used)
0: Apply the initial value specified by local
regulations
1: Apply table DC5 prepared specially
4
AC impedance to be applied
when the line is connected
(Not used)
0: 600
Ω termination
1: ZR termination
5
6
Current control to be applied
immediately after
connection of the line
(Not used)
No. 5 6
0
0 : Standard
0 1 : Increase start-up current for
termination
1 0 : Fine current control for termination
1 1 : Not used. (equal to "0, 0")
7
8
AC voltage threshold for
detection of ring
(Not used)
No. 7 8
0
0 : 19 V
0 1 : 11 V
1 0 : 25 V
1 1 : 31 V
NOTE: WSW50 is applicable to models equipped with SDAA circuits.