Gestetner A193 Service Manual page 746

Bit Switch 19
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 Not used
to
7
Bit Switch 1A: CPS Code Used for G4 to G3 Fallback - 3
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
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
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.
(A644) ISDN
Keep this at 1 in the USA. In other areas, 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.
Do not change the factory settings.
Do not change the setting.
Do not change the setting.
Do not change the setting.
2-9
BIT SWITCHES
COMMENTS
COMMENTS
COMMENTS
COMMENTS
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