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TFM-PCIV92A User’s Guide
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- 19 - Rev.1.00.2.1.34
Sn=x Write x to S-register n; refer to S-register summary for the details
Sn? Read from S-register n; refer to S-register summary for the details
T Select tone dialing
V0 Choose numeric form result code
V1 Choose verbose form result code
W0 Reports DTE connect speed result code, disable protocol result codes
W1 Reports DTE connect speed result code, enable protocol result codes
W2 Reports DCE connect speed result code, enable protocol result codes
X0 Enables result code 0-4; disables dial tone and busy tone detection
X1 Enables result code 0-5,10 and above; disables dial tone and busy tone detection
X2 Enables result code 0-6, 10 and above; enables dial tone detection and disables busy
tone detection
X3 Enables result code 0-5,7,10 and above; disables dial tone detection and enables busy
tone detection
X4 Enables result code 0-7, 10 and above; enables dial tone and busy tone detection
Z Reset modem and recalls user profile
&C0 Ignores carrier status; CD always ON
&C1 CD set according to carrier status
&D0 Ignores DTR
&D1 Modem switches from data mode to command mode when an ON-to-OFF transition of
DTR occurs
&D2 When DTR switches OFF , the modem goes on-hook and disables
auto-answer
&D3 Reset modem and recall user profile when DTR switches OFF
&F Load factory defaults
&G0 Disables guard tone
&G1 Enables 550 Hz guard tone
&G2 Enables 1800 Hz guard tone
&K0 Disables flow control
&K3 Enables CTS/RTS hardware flow control
&K4 Enables XON/XOFF software flow control
&M0 Select asyncronous buffer mode
&P0 Select 10 pps pulse dial with 39%/61% make/break ratio
&P1 Select 10 pps pulse dial with 33%/67% make/break ratio
&P2 Select 20 pps pulse dial with 33%/67% make/break ratio
&Q0 Select asynchronous buffer mode
&Q5 Select Error control mode
AT Command prefix
TFM-PCIV92A User’s Guide
_________________________________________________________________________________________________________________________
- 20 - Rev.1.00.2.1.34
&Q6 Same as &Q0
&Q8 Select MNP error control mode. If fail to connect, the modem will fallback according to
current setting in S36
&Q9 Select V42 or MNP error control mode. If fails to establish, the modem will fallback
according to current setting in S36
&S0 DSR always ON
&S1 DSR ON only during handshaking and when carrier is lost
&T0 Terminates test in progress
&T1 Initiates local analog loopback(LAL)
&T3 Initiates local digital loopback
&T6 Initiates remote digital loopback(RDL)
&V View active profile, stored user profile and stored telephone number
&W Stores active profile into user profile
&Zn=x Stores telephone number x(up to 40 digits) to location n(0-3).I301 V.90
%B View number in blacklist
%C0 Disables data compression
%C1 Enables data compression
%E0 Disables fallback and fall forward
%E1 Enables fallback, disables fall forward
%E2 Enables fallback and fall forward
-C0 Disables calling tone
-C1 Enables 1300 Hz calling tone
-V90=n Control V.90 downstream speed
n = 0 V.90 disabled
n = 1 Auto rate
n = 2 28000 BPS
n = 3 29333 BPS
n = 4 30666 BPS
n = 5 32000 BPS
n = 6 33333 BPS
n = 7 34666 BPS
n = 8 36000 BPS
n = 9 37333 BPS
n = 10 38666 BPS
n = 11 40000 BPS
n = 12 41333 BPS
n = 13 42666 BPS
AT Command prefix