User`s manual

&Tn Testing and Diagnostics (See Chapter 4)

This command is used 10 initiate and terminate loopback tests for testing modem-to-

modem and DTE-to-modem data communication integrity.

&T0

Terminates test in progress. (default)

&T1

Local analog Ioopback.

&T3 Local digital Ioopback.

&T4

Grants RDL request from remote modem.

&T5

Denies RDL request from remote modem.

&T6

Remote digital Ioopback.

&T7

Remote digital Ioopback with self-test.

&T8

Local analog Ioopback with self-test.

&U Disable Trellis coding

This command selects whether the modem will transmit and receive modulated

9600 bps carrier with QAM or Trellis encoding for V.32.

Range: n = 0-1

&U0

Enabled. (Trellis modulation with QAM

modulation as a fallback) (default)

&U1

Disabled. (QAM modulation only)

&Vn View Active Configuration and Stored Profiles

This command causes the modem to send command and S-register configuration

information to the DTE for the following: the active user profile, and one of two

stored user profiles.

COMMAND REFERENCE - 2