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S0 |
Auto-answer |
0 to 255 |
Sets the number of the rings required before the modem automatically answers a call. Setting this register to zero disables auto-answer mode |
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S1 |
Ring counter |
0 to 255 |
S1 is incremented each time the modem detects a ring signal on the telephone line. |
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S2 |
Escape character |
0 to 127 (Default = 43) |
S2 holds the decimal value of the ASCII character used as the escape sequence. A value over 127 disables the escape process. |
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S3 |
Carriage Return Character |
0 to 127 ASCII decimal (Default=13) |
Sets the command line and result code terminator character. Pertains to asynchronous operation only. |
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S4 |
Line feed Character |
to 127 ASCII decimal (Default=10) |
Sets the character recognised as a line feed. Pertains to asynchronous operation only. |
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S5 |
Backspace Character |
0 to 32 ASCII decimal (Default=8) |
Sets the character recognised as a backspace. |
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S6 |
Wait for dial tone |
2 to 255 seconds |
Sets the time in seconds that the modem will try to detect a dial tone (if set) and wait before starting to dial. |
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S7 |
Wait for Carrier after dial |
1 to 255 seconds |
Sets the time in seconds that the modem will wait for a carrier before hanging up. |
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S8 |
Pause time for delay |
0 to 255 seconds |
Sets the time the modem must pause when the ‘,’ dial modifier is used. |
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S9 |
Carrier detect response time |
1 to 255 tenths of a second. |
Sets the time in 10th of a second, that the carrier must be present before the modem considers it valid and turns on RLSD. |
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S10 |
Lost carrier to Hang-up delay |
1 to 255 |
Sets the time in 10th of a second, that the modem waits before hanging up after a loss of carrier. |
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S11 |
DTMF Tone duration |
50 to 255 milliseconds (Default=95) |
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S12 |
Escape Prompt Delay |
0 to 255 1/50 of a second |
Defines the maximum period, in fifties of a second, allowed between receipt of the last character of the three escape character sequence and the sending of the OK message. |
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S18 |
Test timer |
0 to 255 seconds |
Sets the length in seconds that the modem conducts a test. |
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S25 |
Delay to DTR |
0 to 255 seconds |
Sets the time that the modem will ignore DTR before taking action specified by &Dn. |
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S26 |
RTS to CTS delay |
0 to 255 hundredths of a second |
Sets the time delay, before the modem turns on CTS after detecting an OFF-ON transition on RTS when &R0 is commanded. |
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S32 |
XON Character |
0 to 255 ASCII decimal (Default=17) |
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S33 |
XOFF Character |
0 to 255 ASCII decimal (Default=19) |
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S38 |
Delay Before Forced Hang-up |
0 to 255 seconds |
This register sets the delay between the modem’s receipt of the H command to disconnect and the disconnect operation. |
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S86 |
Call Failure Reason Code |
0,4,5,9,12,13 or 14 |
When the modem issues a NO CARRIER result code, a value is written to this S-register. 0 Normal disconnect, no error occurred 4 Loss of carrier 5 V.42 negotiation failed 9 The modems could not find a common protocol 12 Normal disconnect initiated by the remote modem 13 Remote modem does not respond after ten retransmissions of the same message. 14 Protocol violation |
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S91 |
PSTN Transmit level Attenuation |
0 to 15dBm (Corresponding to 0 to -15dBm transmit level) Default : 10dBm |
Set the transmit level attenuation level from 0 to 15dBm for the PSTN mode. Some countries may not permit changing the transmit level. |
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S95 |
Extended Result Codes |
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The bits in this register can be set to override some of the Wn command options. A bit set to a 1 in this register will enable the corresponding result code regardless of the Wn setting. Bit 0 Connect message indicates DCE speed Bit 1 Append /ARQ to CONNECT XXXX Bit 2 Enable CARRIER XXXX message Bit 3 Enable PROTOCOL message Bit 4 Reserved Bit 5 Enable COMPRESSION XXXX Bit 6 Reserved Bit 7 Reserved
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