ZyXEL Communications U-336S User Manual page 110

Command Options Function & Description
&Sn
&Tn
&Vn
98 AT Command Set Summaries
&R0 CTS tracks RTS, response
delay is set in S26
&R1 * Ignore RTS, assumes RTS
always ON
Data Set Ready (DSR) function
selection.
&S0 * DSR overridden, DSR always
ON.
&S1 DSR according to CCITT
(ITU-TSS). (See also S41.5,
S44.4)
Modem testing.
&T0 Terminate test in progress.
&T1 Initiate Analog Loop-back
(ALB) test.
&T3 Initiate Local Digital Loop-back
(LDL) test
&T4 Grant Remote Digital Loop-
back request from remote
modem
&T5 Deny Remote Digital Loop-
back request from remote
modem
&T6 Initiate Remote Digital Loop-
back (RDL) test
&T7 Initiate Remote Digital Loop-
back with self test (RDL+ST)
&T8 Initiate Analog Loop-back with
self test. (ALB+ST)
View profile settings.
&V0 View current active settings.
&Vn View the (n-1) user profile
Ref.
S21.3
S16
S14.1
S14.1