TYPE M1
(D702)
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
68050C
PSTN dial tone permissible drop
time
68050D PSTN wait interval (LOW)
-
68050E PSTN wait interval (HIGH)
68050F
PSTN ring-back tone detection
time
20 ms
Detection is disabled if
this contains FF.
680510
PSTN ring-back tone off detection
time
20 ms -
680511
PSTN detection time for silent
period after ring-back tone
detected (LOW)
20 ms -
680512
PSTN detection time for silent
period after ring-back tone
detected (HIGH)
20 ms -
680513
PSTN busy tone frequency upper
limit (high byte)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled. 680514
PSTN busy tone frequency upper
limit (low byte)
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