Basic "At" Command Set - ZyXEL Communications Omni TA128 User Manual

Chapter 14 - Usage of DTE Port 2
Functions
DTE Speed (Baud)
Auto Bauding
B Channel Protocols
AT Commands and S-
registers
User Profiles in NVRAM
Flow Control
Serial Port Async Format
Plug-and-Play for Windows
RS-232 Connector
The following tables list all of the AT commands for DTE port 2 supported by the Omni
TA128. An asterisk * following a command option or value indicates that it is a default setting
when the modem is shipped.
Notes for techies: To maximize the TA128's compatibility among various systems, DTE port

Basic "AT" Command Set

Command Options
<any key>
+++
All the Following Commands Require an "AT" Prefix
A
Bnn
B40 *
Ds
Y0
Y1
DTE Port 1
Up to 460.8 Kbps
PPP/MP, X.75, V.110,
V.120, and Bundle
Fully configurable
Four User Profiles
Software(XON/XOFF), or
Hardware(RTS/CTS)
Configurable
DB25 Female
2 will, by default, ignore all unrecognized AT commands such that they
will be responded to with "OK" without any action. This conforms to the
SIMPLICITY principle of DTE port 2. You can set ATS128.7=1, however,
to resume the normal operation mode in which any unrecognized
commands will cause an "ERROR" indication.
Function & Description
Terminate current connection attempt when
entered in handshaking state.
Escape sequence code, entered in data state,
wait for the Omni TA128 to return to
command state.
Go on-line in answer mode.
Select ISDN Teleservice
'B' must be followed by two digits.
PPP async to sync conversion
All other values are invalid
Dial s (numbers and options) that follows. The
options of s are listed as follows:
Unknown type of number
International number
Up to 115.2 Kbps
Yes (Rate must be set via DTE
port 1)
PPP Async-to-Sync
Conversion
Only a few commands can
be used
Not Available
Hardware(RTS/CTS) only
Fixed at No Parity, 8-bit data
character, and one STOP-bit
Yes
14-2
DTE Port 2
No
No
DB9 Female
Ref.