Ricoh Fx880 Service Manual page 86

Fax880 mp mv 74 fax and printer
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SERVICE TABLES AND PROCEDURES
NCU PARAMETERS
Address
807F06
Not used
807F07
807F08
PSTN dial tone detection time
807F09
PSTN dial tone reset time (LOW)
PSTN dial tone reset time (HIGH)
807F0A
PSTN dial tone continuous tone
807F0B
time
PSTN dial tone permissible drop
807F0C
time
PSTN wait interval (LOW)
807F0D
807F0E
PSTN wait interval (HIGH)
PSTN ringback tone detection time
807F0F
PSTN ringback tone off detection
807F10
time
PSTN detection time for silent
period after ringback tone
807F11
detected (LOW)
PSTN detection time for silent
period after ringback tone
807F12
detected (HIGH)
PSTN busy tone frequency range
807F13
(high byte)
PSTN busy tone frequency range
807F14
(low byte)
807F15
Not used
807F16
PABX dial tone frequency range
807F17
(high byte)
PABX dial tone frequency range
807F18
(low byte)
807F19
Not used
807F1A
PABX dial tone detection time
807F1B
PABX dial tone reset time (LOW)
807F1C
807F1D
PABX dial tone reset time (HIGH)
PABX dial tone continuous tone
807F1E
time
PABX dial tone permissible drop
807F1F
time
807F20
PABX wait interval (HIGH)
PABX wait interval (LOW)
807F21
PABX ringback tone detection time
807F22
PABX ringback tone off detection
807F23
time
Function
4-40
Unit
Do not change the factory
setting.
20 ms
If 807F08 contains FF, the
machine pauses for the
pause time (address
807F0D / 807F0E).
See Note 3 (Italy).
20 ms
Detection is disabled if this
contains FF.
20 ms
20 ms
20 ms
Hz (BCD)
If 807F13 is FF, detection is
disabled. See Note 2.
Do not change the factory
settings.
Hz (BCD)
See Note 2.
Do not change the factory
settings.
20 ms
If 807F1B contains FF, the
machine pauses for the
pause time (807F20 /
807F21).
20 ms
Detection is disabled if this
contains FF.
20 ms
November 28th, 1995
Remarks

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