Specifications and Regulatory Information
Modem Reference Information
140 Reference Guide
Command Function (Ambit)
%C2 Enable V.42 bis data compression
%C3
Enable both V.42 bis and MNP 5 compression
\A0 Set maximum block size in MNP to 64
\A1
Set maximum block size in MNP to 128
\A2 Set maximum block size in MNP to 192
\A3 Set maximum block size in MNP to 256
\Bn Send break of n × 100 ms
MNP 10 Commands
-K0
Disable MNP 10 extended services
-K1 Enable MNP 10 extended services
-K2 Disable MNP 10 extended services detection only
-SEC=0 Disable MNP 10-EC
-SEC=1, [<tx
level>]
Enable MNP 10-EC and set transmit level <tx level> 0 to 30 (0 dBm to -30 dBm)
FAX Class 1
+Fclass=1 Service class
+FAE=0 Disable data/fax auto answer
+FAE=1 Enable data/fax auto answer
+FRH=n Receive data with HDLC framing
+FRM=n Receive data
+FRS=n Receive silence, n×10 ms
+FTH=n Transmit data with HDLC framing
+FTM=n Transmit data
+FTS=n Stop transmission and wait, n×10 ms
AT* Commands
*B Display black-listed number
*Cn Data calling tone selection
*NCn Select country parameters: 0=US, 1=Japan, 2=Germany, 3=UK, 4=France, 5=Netherlands, 6=Italy,
7=Australia, 8=Sweden, 9=Denmark, 10=New Zealand, 11=Korea, 12=China, 13=Singapore, 14=Malaysia,
15=South Africa, 16=Poland, 17=Czech Republic, 18=Hungary, 19=Hong Kong, 20=Turkey, 21=Spain.
S-Registers (Ambit)
Register Function (Ambit) Range/units Default
S0 Rings to auto-answer 0-255/rings 0
S1 Ring counter 0-255/rings 0
S2 Escape character 0-255/ASCII 43
S3 Carriage return character 0-127/ASCII 13
S4 Line feed character 0-127/ASCII 10
S5 Backspace character 0-255/ASCII 8
S6 Wait time for dial tone 2-255/s 2
S7 Wait time for carrier 1-255/s 50
S8 Pause time for dial delay modifier 0-255/s 2
S9 Carrier detect response time 1-255/.1 s 6
S10 Carrier loss disconnect time 1-255/.1 s 14
S11 DTMF tone duration 50-255/.001 s 95
S12 Escape prompt delay 0-255/.02 s 50
S14 General bit mapped options status 138 (8Ah)
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