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Chapter 12 - Status Registers & Result Codes
12-9
Command bit dec hex Function and description Ref.
0-255 0-FF The modem counts when there is no data flow
in or out of the RS-232 serial port. A
connection is disengaged when the counter
reaches the preset value. Set value ‘0’ to
disable this function.
S51= bit dec hex Bit-mapped register
1-0 0 0 Disables EDR
1 1 Reports RING twice
2 2 Reports RING four times
3 3 Reports RING six times
3-2 0 0 Disables DTMF tone
4 4 Reports RING for a DTMF tone
8 8 Reports RING ‘DTMF’ for a DTMF tone
12 0C Reserved
1 1 Reports RING twice
5-4 0 0 Disables fax-CNG tone detection (Default)
16 10 Reports RING for fax CNG tone
32 20 Reports RING 1 for fax CNG tone
48 30 Reports RING 2 for fax CNG tone
7-6 0 0 Disables data CNG tone detection
64 40 Reports RING for data CNG tone
128 80 Reports RING 1 for data CNG tone
192 B2 Reports RING 3 for data CNG tone
S52= bit dec hex Bit-mapped register +000
4-3 0-24 0-18 Receive level adjustment
0 0 -43 dBm (Default)
8 8 -33 dBm
16 10 -26 dBm
24 18 -26 dBm
7 0 0 Select ‘Mark’ as the first signal of the V.23
handshaking sequence (Default)
&N12
128 80 Select ‘Space’ as the first signal of the V.23
handshaking sequence
&N12
S56= dec hex +050
0-255 0-FF Hook flash detect time, in units of 10ms,
country specific
S57= bit dec hex Bit-mapped register
4 16 10 Enables the reporting of Class 1 capability in
the response to +FCLASS=?
6 0 0 Disabled busy detection when dialing is
proceeding (Default)
64 40 Enables busy detection in dialing period
S62= bit dec hex Bit mapped register +000
0 0 0 Force the modem to use the new values of
S18 to fix the baud rate when answering.
1 1 Force the modem to use the old values of S18
(compatible with 1496 series modem) to fix
the baud rate when answering.