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AT Command Set and S-Registers
14-253810-A2-GB30-30 September 1998
Table 14-2
(11 of 12)
3800 Series S-Registers
S-Register Front Panel BranchDescription
S81 2W Leased Line SQ Retrain
Forces the modem to retrain if the SQ (Signal Quality) LED is on for
more than the specified number of seconds (1–5). 2W SQ Retrain
reduces the amount of bad data sent to the DTE when no error control is
used, but greatly increases the likelihood of retrains on impaired lines.
Register has the following values:
0 = Disable
1–5 = Retrain is initiated after this number of seconds of SQ problems
Factory setting is Disable.
Configure\Edit\Leased Line
S82 V.32bis Autorate (Leased Line)
Register determines if Autorating is used on leased lines when
connected in V.32bis mode.
Register has the following values:
0 = Enable
1 = Disable
Factory setting is Enable.
Configure\Edit\Leased Line
S84 AT Command Mode
Register determines how the modem responds to valid and invalid AT
commands.
Register has the following values:
0 = Normal
1 = No ERROR
2 = No Strap or ERROR
Factory setting is Normal.
Configure\Edit\DTE Dialer
S85 Fast Disconnect
Register allows the modem to disconnect immediately after receiving a
disconnect command from a local DTE or its own diagnostic control
panel.
Register has the following values:
0 = Disable
1 = Enable
Factory setting is Disable.
Configure\Edit\Line Dialer
S88 Straps When Disconnected
Register determines whether the Active(Operating) area is reloaded
upon a disconnect.
Register has the following values:
0 (or 231) = No Change
1 (or 232) = Reload
2 (or 233) = Reload with no AT Change
Factory setting is No Change.
Configure\Edit\V.42/MNP/
Buffer