Gestetner A193 Service Manual page 659

Address
480404 PSTN dial tone frequency upper
limit (high byte)
480405 PSTN dial tone frequency upper
limit (low byte)
480406 PSTN dial tone frequency lower
limit (high byte)
480407 PSTN dial tone frequency lower
limit (low byte)
480408 PSTN dial tone detection time
480409 PSTN dial tone reset time (LOW)
48040A PSTN dial tone reset time (HIGH)
48040B PSTN dial tone continuous tone
time
48040C PSTN dial tone permissible drop
time
48040D PSTN wait interval (LOW)
48040E PSTN wait interval (HIGH)
48040F PSTN ringback tone detection time
480410 PSTN ringback tone off detection
time
480411 PSTN detection time for silent
period after ringback tone detected
(LOW)
480412 PSTN detection time for silent
period after ringback tone detected
(HIGH)
480413 PSTN busy tone frequency upper
limit (high byte)
480414 PSTN busy tone frequency upper
limit (low byte)
480415 PSTN busy tone frequency lower
limit (high byte)
480416 PSTN busy tone frequency lower
limit (low byte)
480417 PABX dial tone frequency upper
limit (high byte)
480418 PABX dial tone frequency upper
limit (low byte)
480419 PABX dial tone frequency lower
limit (high byte)
48041A PABX dial tone frequency lower
limit (low byte)
(A639)
Function
Hz (BCD)
Hz (BCD)
20 ms
20 ms
20 ms
20 ms
20 ms
Hz (BCD)
Hz (BCD)
Hz (BCD)
Hz (BCD)
4-55
NCU PARAMETERS
Unit Remarks
If both addresses contain
FF(F), tone detection is
disabled.
If both addresses contain
FF(F), tone detection is
disabled.
If 480408 contains FF, the
machine pauses for the
pause time (address 48040D
/ 48040E).
See Note 2 (Italy).
Detection is disabled if this
contains FF.
If both addresses contain
FF(F), tone detection is
disabled.
If both addresses contain
FF(F), tone detection is
disabled.
If both addresses contain
FF(F), tone detection is
disabled.
If both addresses contain
FF(F), tone detection is
disabled.
SM