Ricoh D146 Service Manual page 1931

PSTN cable equalizer
(V.8/V.17 rx mode: External)
4
0: Disabled
1: Enabled
5-7 Not used
G3-2 Switch 08 - Not used (do not change the settings)
G3-2 Switch 09 - Not used (do not change the settings)
No
Maximum allowable carrier drop
during image data reception
Bit 1 Bit 0
0
0-1
0
1
1
2-3 Not used
Maximum allowable frame interval
4 during image data reception.
0: 5 s 1: 13 s
5 Not used
SM
G3-2 Switch 0A (SP No. 1-106-011)
Function
Value (ms)
0 200
1 400
0 800
1 Not used
Keep this bit at "1".
Do not change the settings.
Comments
These bits set the acceptable modem
carrier drop time.
Try a longer setting if error code 0-22 is
frequent.
Do not change the settings
This bit set the maximum interval
between EOL (end-of-line) signals and
the maximum interval between ECM
frames from the other end.
Try using a longer setting if error code
0-21 is frequent.
Do not change the settings.
155 D163