Service manual
FO-DC600U
1 Reserved 0
2 Reserved 0
3 Reserved 0
Busy tone detection frequency
520~640Hz 300~600Hz 380~500Hz
Reserve Reserve
SW21
4 No. 4 0 0 0 0 1 0
5 No. 5 0 0 1 1 0 0
6 No. 6 0 1 0 1 0 0
7 Reserved 0
8 Reserved 0
Service condition for line-1 Line-1 TX/RX TX/RX
RX only RX only Other
(AUTO) (MANU) (AUTO) (MANU) Setting
1 No. 1 0 0 0 0 Default 0
2 No. 2 0 0 1 1 Setting 0
SW22
3 No. 3 0 1 0 1 0
4 Reserved 0
5 Reserved 1
6 Reserved 0
7 Reserved 0
8 Reserved 0
1 Reserved 0
2 Reserved 1
3 Reserved 0
SW23
4 Reserved 1
5 Reserved 0
6 Reserved 0
7 Reserved 1
8 Reserved 0
1 Dial mode PULSE TONE 0
2 Receive mode for line-2 AUTO MANUAL 1
3 Reserved 0
SW24
4 Reserved 0
5 Reserved 1
6 Reserved 1
7 Reserved 0
8 Reserved 0
1 Number of rings for auto-receive Binary input 8 4 2 1 0 OPTION
2 (0: No ring receive) No. = 1 2 3 4 (Data No.) 0 Set to 0~9
3EX00010
SW25
4 eg. Number of rings for auto receive is set to 1 time. 1
5 Reserved 0
6 Reserved 0
7 Reserved 0
8 Reserved 0
1 Reserved 0
2 Reserved 0
3 Reserved 1
SW26
4 Reserved 1
5 Reserved 0
6 Reserved 0
7 Reserved 1
8 Reserved 0
1 Reserved 0
2 Reserved 1
3 Reserved 0
SW27
4 Reserved 0
5 Reserved 0
6 Reserved 0
7 Reserved 0
8 Reserved 0
SW
NO.
DATA
NO.
ITEM
Switch setting and function
Remarks
Initial
setting
10
2 – 14










