HP 3000 9x9KS Service Manual page 38

Command Values
&Sn n = 0 to 2
T
&Tn n = 4 or 5
#Tn n = 0 or 1
Un n = 0 to 3
Vn n = 0 or 1
W
Xn n = 0 to 4
(Default varies
by country.)
Yn n = 0 or 1
Z
, in dial command
; in dial command
! in dial command
@ in dial command
+++AT<CR>
2-18 Install and Configuration
Table 2-5. HP AT Command Set
Description
&S0 forces data set ready on.
***&S1 lets data set ready act normally.
&S2 data set ready drop is regulated by S24 on disconnect.
Modem will tone-dial numbers following the T.
&T4 means enable response to request for remote digital loopback.
***&T5 means disable response to request for remote digital loopback.
#T0 turns off trellis coded modulation.
***#T1 turns on trellis coded modulation.
U0 places modem in analog loop originate mode.
U1 places modem in analog loop answer mode.
U2 means remote digital loopback.
U3 means local digital loopback.
V0 means result codes sent as digits (terse mode).
***V1 means result codes sent as words (verbose mode).
Wait for new dial tone.
X0 selects basic Result codes (w/o connect 1200, connect 2400).
X1 selects extend result codes (w/connect 1200, connect 2400).
X2 selects standard AT command set with no dial tone.
X3 selects standard AT command set with busy.
X4 selects standard AT command set with no dial tone and busy.
***Y0 disables sending or responding to long space break.
Y1 enables sending or responding to long space breaks.
All configurations are reset to default values.
Causes pause during dialing. (In Sweden, not to be used in place of W
command.)
Causes return to command mode after dialing.
Causes modem to flash on-hook. (Not applicable with pulse dial in Austria
and Germany. Not applicable in the U.K.)
Causes modem to wait for ringback, then 5 seconds of silence before
processing next part of command.
Escape code. Brings modem into command mode while still
remaining on-line. Enter +++ followed by the letters
A and T, up to ten command characters, and a Return.