COMSPHERE 3825Plus Modem
4-26 November 1996 3825-A2-GB30-20
Table 4-2
(10 of 10)
3825
Plus
S-Registers
S89
V.42 ARQ Window Size Increase
Register allows the V.42 Automatic Request for Transmission (ARQ) window size to be set to a value from 6 to 15 frames
to accommodate satellite delays.
Register has the following values:
0
= Automatic Adjust (6–15 frames)
1 = 7 frames
2 = 8 frames
3 = 9 frames
D
D
D
D
9 = 15 frames
This command applies only to connections made using V.42bis data compression or V.42 error control.
The factory setting is Automatic Adjust.
S90 DTE Rate = VF
Rate
Register forces the DTE (computer) data rate to be equal to the VF (telephone line) data rate.
Register has the following values:
0
= Disable
1 = Enable
The factory setting is Disable.
S91 Cellular Enhancements
Register determines whether parameters are set to improve performance over a cellular link. Should be enabled when the
remote modem is using a cellular connection.
Register has the following values:
0
= Disable
1 = Enable
The factory setting is Disable; &F5 and &F6 set S91 to Enable.
S93 RJ11 Cellular Adapt
Register controls support for an RJ11 connection, including generation of the ETC 1.1 Calling T
one during call origination.
0
= Disable
1 = Enable
The factory setting is Disable.
S94, S95, S96, S97, S98
(see
Security
at the end of this chapter)