Zypcom Z34-PL, User Manual

Page: 58 / 114

3-20
3
&Tn (Diagnostic
Tests)
Used to initiate and terminate loopback tests for testing
modem-to-modem and DTE-to-modem data
communication integrity.
C
OMMAND
D
ESCRIPTION
&T0 Terminates test in progress.
&T1 Initiates Local Analog Loopback.
&T4 Grants RDL request from remote modem.
&T5 Denies RDL request from remote modem.
&T6 Initiates Remote Digital Loopback.
&T7 Initiates Remote Digital Loopback with self-
test
&T8 Initiates Local Analog Loopback with self-
test.
&Un (Trellis
Control)
Selects whether the modem transmits or receives
modulated 9600 bps carrier with QAM or Trellis
encoding for V.32.
C
OMMAND
D
ESCRIPTION
&U0* Enables Trellis coding with QAM as
fallback.
&U1 QAM modulation only
&Vn (Display Stored
Profiles)
Causes the modem to display its current configuration
as well as other stored profiles and telephone numbers.
C
OMMAND
D
ESCRIPTION
&V0 View active profile and stored profile 0
&V1 View active profile and stored profile 1