S Register
INSYS ISDN TA 4.0
14
S Register
The INSYS ISDN TA 4.0 contains status registers, which control the operation.
S registers may be read and written using the
ATS
command. Certain S registries
may only be read; others can only be configured for a particular range of values.
Register
Description
S0
0:
No automatic call acceptance, the acceptance of an incoming call is
controlled by the data terminal (command
ATA
following RING)
1:
Immediate call acceptance by the INSYS ISDN TA 4.0 (default)
2..n:
Call acceptance by the INSYS ISDN TA 4.0 after
n "RING" mes-
sages.
Note:
The time between 2 RING messages can be configured using the
command "ringtimer" (default = 5 s.)
S1
Ring tone counter (read only)
S2
Escape character (default = 43h)
S3
Return character (default = 0Dh)
S4
Line feed character (default = 0Ah)
S5
Backspace character (default = 1Ah)
S7
Waiting time for carrier signal in seconds (default = 30)
S9
PNP Configure functionality for Windows95 (default=1, enabled)
S14
Status control output OUT1
0 Normally
closed
1 Normally
open
2 follows
DCD
S15
Status control output OUT2
0 Normally
closed
1 Normally
open
S16
Last CAPI/ISDN error
S17
Status alarm input 1 (read only)
0
enabled (connected to GND)
1 open
S18
Status alarm input 2 (read only)
0
enabled (connected to GND)
1 open
S90
Last received ISDN phone number (CLIP)
S91
0: Default
1:
All unknown AT commands are replied with OK
2:
Windows 2000 compatibility: some AT commands are replied with
OK, unknown commands are replied with OK.
Table 19: Overview of S Registers
90