Reference Information
Modem Reference Information
Reference Guide 139
Command Function (Ambit)
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)
S16 Test mode bit mapped options status (&T) 0
S18 Test timer 0-255/s 0
S19 AutoSync options 0
S20 AutoSync HDLC address or BSC Sync character 0-255 0
S21 V.24/general bit mapped options status 52 (34h)
S22 Speaker/results bit mapped options status 117 (75h)
S23 General bit mapped options status 62 (3Dh)
S24 Sleep inactivity timer 0-255/s 0
S25 Delay to DTR off 0-255/s or .01s 5
S26 RTS-to-CTS delay 0-255/.01 s 1
S27 General bit mapped options status 73 (49h)
S28 General bit mapped options status 0
S29 Flash dial modifier time 0-255/10 ms 70
S30 Disconnect inactivity timer 0-255/10 s 0
S31 General bit mapped options status 194 (C2h)
S32 XON character 0-255/ASCII 17 (11h)
S33 XOFF character 0-255/ASCII 19 (13h)
S36 LAPM failure control 7
S37 Line connection speed 0
S38 Delay before forced hangup 0-255/s 20
S39 Flow control bit mapped options status 3
S40 General bit mapped options status 104 (68h)
S41 General bit mapped options status 195(C3h)
S46 Data compression control 138
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