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136 MultiModemISI Hybrid Series, ISIHI-2S
Appendix
Profile 2 (&F2)—X.75 Asynchronous Operation
AT Command Description
&C1 DCD functions normally
$D0 Disable persistent DTR dialing
&D1 Hang up when DTR drops
E1 Enable command mode echo
&E4 Enable hardware flow control
&E6 Discard XON/XOFF characters
&E13 Enable pacing
#X0 Disable Sending Multiple Xoff Characters
&J0 Disable Automatic Channel Bundling
&K0 Disable Data Compression
%E1 Enable +++ escape method
%E4 No OK response to +++ or <BREAK> escape
&M0 Asynchronous mode
@P3=4 No parity at power-up
@P4=8 8 data bits
@P6=1 1 stop bit
&R1 CTS always high
S0=1 Answer after 1 ring
S2=43 Set escape character to + (ASCII 43)
S3=13 Set carriage return character to CR (ASCII 13)
S4=10 Set line feed character to LF (ASCII 10)
S5=8 Set backspace character to BS (ASCII 8)
S7=45 Wait 45 seconds for connection before aborting
S10=20 Set DCD drop time to 700 ms
S25=5 Set DTR detect time to 50 ms
S32=20 Set escape sequence guard time to 2 seconds
S50=1 Caller Line ID Enabled
S52=1 Auto-Protocol Detection Enabled
S53=2048 Maximum Frame Size 2048 Characters
&S1 DSR follows DCD
$SB1152 Select 115,200 bps for DTE interface
V1 Select verbose messages
!Z=12 Enable X.75 data protocol