Service manual
NCU Parameters
M381 104 SM
Address Function
Sweden 10 0A Korea 28 1C
Switzerland 11 0B Brazil 29 1D
Portugal 12 0C Turkey 32 20
Holland 13 0D Greece 33 21
Spain 14 0E Hungary 34 22
Israel 15 0F Czech 35 23
Poland 36 24
Address Function Unit Remarks
680501 Line current detection time
20 ms
Line current detection is
disabled.
Line current is not
detected if 680501
contains FF.
680502 Line current wait time
680503 Line current drop detect time
680504
PSTN dial tone frequency upper
limit (high byte)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled.
680505
PSTN dial tone frequency upper
limit (low byte)
680506
PSTN dial tone frequency lower
limit (high byte)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled.
680507
PSTN dial tone frequency lower
limit (low byte)
680508 PSTN dial tone detection time
20 ms
If 680508 contains
FF(H), the machine
pauses for the pause
time (address 68050D /
68050E).
Italy: See Note 2.
680509 PSTN dial tone reset time (LOW)
68050A PSTN dial tone reset time (HIGH)
68050B
PSTN dial tone continuous tone
time