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56K V.92 Data, Fax, and Voice Chipset
104 Intel Confidential Programmer’s Guide
S14 138
Bit-Mapped Options
: S14 is a read-only register that indicates AT command set-
tings.
Bit 0 Reserved
Bit 1 0 E0 is selected
1* E1 is selected
Bit 2 0* Q0 is selected
1 Q1 is selected
Bit 3 0 V0 is selected
1* V1 is selected
Bit 4 Reserved
Bit 5 0* T (tone) dial is selected
1 P (pulse) dial is selected
Bit 6 Reserved
Bit 7 0 Answer
1* Originate
S16 0
Modem Test Options
: S16 indicates the test in progress.
Bit 0 0* Local analog loopback disabled
1 Local analog loopback enabled
(&T1)
Bit 1 Reserved
Bit 2–5 Reserved
Bit 6 0* Analog loopback with self-test disabled
1 Analog loopback with self-test
enabled (&T8)
Bit 7 0* Reserved
1 Reserved
S18 0
Modem Test Timer
: S18 specifies the length of time that the modem conducts a
data mode (except V.90 and V.92 mode) loopback test using the &Tn command. Af-
ter timing out, the modem returns to command mode. Setting S18 to “0” disables the
modem test timer; the loopback test must be terminated by issuing the appropriate
escape sequence followed by an AT&T0 or ATH.
Range: 0–255 seconds
Default: 0 seconds
Table 7-1. S-Register Command Descriptions (Continued)