ADTRAN ISU 128 User Manual
Page 123
Appendix D. S-Register List
108
ISU 128 User Manual
61202.029L2-1
S11
FALLBACK DEFAULT
Determines how the ISU 128 answers an
incoming call if all of the protocols in Fallback failed.
1 = Clear Channel
2 = BONDING Mode 1
3 = SAP
4 = T-link
5 = V.110
6 = V.120
7 = V.34
8 = DSU 57.6 Async (default)
9 = PPP asyn-syn
S12
ESCAPE TIME
Determines the delay required immediately before
and after entering the escape command for the ISU 128
to recognize and execute the command.
Range = 0 to 127
S14
MISC BITS
Miscellaneous bits (bit 8 is most significant bit).
Bit 2 =
1:
Enables on-screen echo of AT commands.
Bit 2 =
0:
Disables on-screen echo of AT commands.
Bit 3 =
0:
Enables AT responses from the ISU 128.
Bit 3 =
1:
Disables AT responses from the ISU 128.
Bit 4 =
1:
Enables AT responses to be displayed in
text form.
Bit 4 =
0:
Enables AT responses to be displayed in
numeric form.
Bit 7 =
1:
Disables PPP ACCM Spoofing.
Bit 7 =
0:
Enables PPP ACCM Spoofing.
Bit 8 =
1:
Ring indicator uses cadence.
Bit 8 =
0:
Ring indicator remains on.
S15
ASYNC BONDING
0 = ADTRAN Only
1 = Multi-Vendor
S22
MSG BITS
Miscellaneous message bits (Bit 8 is most significant
bit).
Bit 5 = Bit 6 = Bit 7 = 1 : Allows connect message
with baud rate.
Bit 5 = Bit 6 = Bit 7 = 0 : Connects message without
baud rate.
S24 V120 LLC
Value determines whether the V.120 bit is set in setup
message for CCITT V.120 calls. Some terminal adapters
require this bit be set to connect V.120 calls.
0 =
Set V.120 bit in call setup message. (default)
1 =
Do not set V.120 bit in call setup message.