Ricoh A250 Service Manual page 583

Bit Switch 19
No. FUNCTION
0 Permanence of the link
0: Set/released each LAPD
call
1: Permanent
1 Channel used in ISDN L2
(64k) mode
0: B1 1: B2
2 SPID procedure (L2)
0: Disabled
1: Enabled
3 G4 SPID procedure (L2)
0: Disabled
1: Enabled
4-7 Not used
Bit Switch 1A: CPS Code Used for G4 to G3 Fallback - 3
No. FUNCTION
0 Condition for fallback from G4 to G3
to
See the explanation for bits 0 to 6 of bit switch 17
6
7 Not used.
Bit Switch 1B: CPS Code Used for G4 to G3 Fallback - 4
No. FUNCTION
0 Condition for fallback from G4 to G3
to
See the explanation for bits 0 to 6 of bit switch 17
6
7 Not used.
Bit Switch 1C: CPS Code Used for G4 to G3 Fallback - 5
No. FUNCTION
0 Condition for fallback from G4 to G3
to See the explanation for bits 0 to 6 of bit switch 17
6
7 Not used.
Bit switches 1D to 1F are not used. Do not change any of the factory settings.
SM
COMMENTS
This bit is normally 0, depending on network
requirements.
When making an IDSN L2 back-to-back test, you
can select either the B1 or B2 channel with this bit
switch.
This is normally fixed at 0.
This is normally fixed at 0.
Do not change the factory settings.
COMMENTS
Do not change the setting.
COMMENTS
Do not change the setting.
COMMENTS
Do not change the setting.
1-13
BIT SWITCHES
A250