Ricoh FAX2000L Service Manual page 105

NCU PARAMETERS
Address
807F04 PSTN dial tone frequency upper
limit (high byte)
807F05 PSTN dial tone frequency upper
limit (low byte)
807F06 PSTN dial tone frequency lower
limit (high byte)
807F07 PSTN dial tone frequency lower
limit (low byte)
807F08 PSTN dial tone detection time
807F09 PSTN dial tone reset time (low)
807F0A PSTN dial tone reset time (high)
807F0B PSTN dial tone continuous tone
time
807F0C PSTN dial tone permissible drop
time
807F0D PSTN wait interval (low)
807F0E PSTN wait interval (high)
807F0F PSTN ring-back tone detection time 20 ms
807F10 PSTN ring-back tone off detection
time
807F11 PSTN detection time for the silent
period after ring-back tone detected
(low)
807F12 PSTN detection time for the silent
period after ring-back tone detected
(high)
807F13 PSTN busy tone frequency upper
limit (high byte)
807F14 PSTN busy tone frequency upper
limit (low byte)
807F15 PSTN busy tone frequency lower
limit (high byte)
807F16 PSTN busy tone frequency lower
limit (low byte)
807F17 PABX dial tone frequency range
(high byte)
807F18 PABX dial tone frequency range
(low byte)
807F19 PABX dial tone frequency lower
limit (high byte)
807F1A PABX dial tone frequency lower
limit (low byte)
Function
4-38
Unit
Hz If both addresses contain
(BCD) FF(H), tone detection is
disabled.
Hz If both addresses contain
(BCD) FF(H), tone detection is
disabled.
20 ms If 807F08 contains FF(H),
the machine pauses for the
pause time (address
807F0D / 807F0E).
See Note 3 (Italy).
Detection is disabled if this
contains FF(H).
20 ms
20 ms
20 ms
Hz If both addresses contain
(BCD) FF(H), tone detection is
disabled.
Hz If both addresses contain
(BCD) FF(H), tone detection is
disabled.
Hz If both addresses contain
(BCD) FF(H), tone detection is
disabled.
Hz If both addresses contain
(BCD) FF(H), tone detection is
disabled.
30 November, 1999
Remarks