Compaq 270680-003 Compaq Desktop Management -- Intelligent Manageability for I - Page 20

&Sn, Data Set Ready DSR Option, &Tn, Self-Test Commands

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Compaq V.90 Integrated Modem Commands 20 &Sn Data Set Ready (DSR) Option This command selects DSR action. &S0: DSR always ON (default). &S1: DSR comes on when establishing a connection and goes off when the connection ends. Result Codes: OK n = 0, 1 ERROR Otherwise &Tn Self-Test Commands This command allows the user to perform diagnostic tests on the modem. These tests can help to isolate problems when experiencing periodic data loss or random errors. &T0 Abort. Stops any test in progress. &T1 Local analog loop. This test verifies modem operation, as well as the connection between the modem and computer. Any data entered at the local DTE is modulated, then demodulated, and returned to the local DTE. To work properly, the modem must be off-line. &T3 Local digital loopback test &T6 Remote digital loopback test. This test can verify the integrity of the local modem, the communications link, and the remote modem. Any data entered at the local DTE is sent to, and returned from the remote modem. To work properly, the modems must be online with error control disabled. Result Codes: OK n = 0 CONNECT n = 1, 3, 6 ERROR Otherwise ECG021/1298

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Compaq V.90 Integrated Modem Commands
20
ECG021/1298
&Sn
Data Set Ready (DSR) Option
This command selects DSR action.
&S0:
DSR always ON (default).
&S1:
DSR comes on when establishing a connection and goes off when the connection ends.
Result Codes:
OK
n = 0, 1
ERROR
Otherwise
&Tn
Self-Test Commands
This command allows the user to perform diagnostic tests on the modem. These tests can help to
isolate problems when experiencing periodic data loss or random errors.
&T0
Abort. Stops any test in progress.
&T1
Local analog loop. This test verifies modem operation, as well as the connection between
the modem and computer. Any data entered at the local DTE is modulated, then
demodulated, and returned to the local DTE. To work properly, the modem must be
off-line.
&T3
Local digital loopback test
&T6
Remote digital loopback test. This test can verify the integrity of the local modem, the
communications link, and the remote modem. Any data entered at the local DTE is sent
to, and returned from the remote modem. To work properly, the modems must be online
with error control disabled.
Result Codes:
OK
n = 0
CONNECT
n = 1, 3, 6
ERROR
Otherwise