Ricoh 5510L - Page 180

BIT SWITCHES 14 June, 2002
5-58
G3 Switch 09
No FUNCTION COMMENTS
0-1 ISDN cable equalizer
(tx mode)
Bit 1 Bit 0 Setting
0 0 None
0 1 Low
1 0 Medium
1 1 High
Use a higher setting if there is signal loss at higher
frequencies because of the length of wire between
the modem and the telephone exchange.
Use the dedicated transmission parameters for
specific receivers.
Also, try using the cable equalizer if one or more of
the following symptoms occurs.
• Communication error
• Modem rate fallback occurs frequently.
2-3 ISDN cable equalizer
(rx mode)
Bit 3 Bit 2 Setting
0 0 None
0 1 Low
1 0 Medium
1 1 High
Use a higher setting if there is signal loss at higher
frequencies because of the length of wire between
the modem and the telephone exchange.
Also, try using the cable equalizer if one or more of
the following symptoms occurs.
• Communication error with error codes such as
0-20, 0-23, etc.
• Modem rate fallback occurs frequently.
4 ISDN external equalizer for
V.27ter, V.29, V.33/V.17, V.8
(Rx mode)
0: Disabled 1: Enabled
1: Keep this bit at “1” in most cases.
5-7 Not used Do not change the settings.