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22 AT Command Set Summaries
Command
Options
Function & Description
M2
Speaker always on
M3
Speaker off during dialing and on until carrier present
Nn
Select negotiate handshake
N0
When originating or answering, handshake only at the communication
rate specified by S37 register and “ATBn” and no fallback
N1 *
When originating or answering, start handshaking only at the
communication standard specified by S37 register and “ATBn” During
handshake, fallback to a lower speed may occur.
On
Go on-line
O0
Return modem to a previously established state (return to data mode).
O1
Begin an equalizer retrain sequence, then
return to on-line state.
O3
Force modem to a new rate defined by user
New rates are defined in S62 register.
P
Enable pulse dialing
Qn
Result code display options
Q0 *
Result code enabled
Q1
Result code disabled
T
Enable tone dialing
Vn
Result code form
V0
Display result code in numeric form (see
also the result code options table)
V1 *
Display result code in verbose (text) form
Wn
Select extended result code options
W0
CONNECT result code reports DTE speed. Disable protocol result codes.
(see also the “Result Code Options Table”)
W1
CONNECT result code reports DTE speed. Enable protocol result codes.
W2 *
CONNECT result code reports DCE speed. Enable protocol result codes.
Xn
Select result codes/call progress options
X0
Display CONNECT or “1” for all speeds.
Ignore dial tone and busy tone detection.
X1
Display connect message and the modem’s data rate, and an indication of
the modem’s error correction and data compression.
Ignore dial tone and busy tone detection.
X2
Display connect message and the modem’s data rate, and an indication of
the modem’s error correction and data compression.
Check dial tone before proceeding dialing,
ignore busy tone detection.
X3
Display connect message and the modem’s data rate, and an indication of
the modem’s error correction and data compression.
Ignore dial tone before proceeding dialing,
check busy tone after making dialing.
X4 *
Display connect message and the modem’s data rate, and an indication of
the modem’s error correction and data compression.
Check dial tone and busy tone.
X5
Same as X4.
X6
Same as X4.
X7
Display CONNECT or “1” for all speeds.
Check dial tone and busy tone.
Zn
Recall stored profile
Summary of Contents for Comet 3356P-LAN
Page 1: ...Comet 3356P LAN User s Manual Version 1 0 ZyXEL ACCESSING THE INTERNET AND INTRANET ...
Page 8: ...2 Introduction ...
Page 18: ...12 Installation ...
Page 26: ...20 Basic Modem Operation ...
Page 32: ...26 AT Command Set Summaries ...
Page 38: ...32 Status Registers Result Codes NoEC No error control and data control protocols ...