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7.2.23 S22 (B
-M
IT
APPED
Bit
1, 0
3, 2
6, 5, 4
7
†default
7.2.24 S23 (B
-M
IT
APPED
Bit
0
5-1
7, 6
†default
O
)
PTIONS
Table 7-5. Bit Mapped (S22).
Value
Command
00
L
01
L1
†10
L2
11
L3
00
M
†01
M1
10
M2
11
M3
000
X
001
X1
010
X2
011
X3
†100
X4
†0
&P
1
&P1
O
)
PTIONS
Table 7-6. S23 (Bit-Mapped Options).
Value
Command
0
&T5
†1
&T4
—
—
†00
&G
01
&G1
10
&G2
11
—
CHAPTER 7: Status Registers
Description
Speaker volume low
Speaker volume low
Speaker volume medium
Speaker volume high
Speaker off
Speaker on until carrier detect
Speaker always on
Speaker off when modem is dialing
CONNECT message only, blind dials, no busy detect
CONNECT/appropriate code for rate, blink dials, no busy
detect
CONNECT/appropriate code for rate, waits for dial tone, no
busy detect
CONNECT/appropriate code for rate, blind dials, reports
BUSY
CONNECT/appropriate code for rate, waits for dial tone,
reports BUSY
Make/break ratio (US) 39/61
Make/break ratio (UK) 33/67
Description
Remote digital loopback disabled
Remote digital loopback enabled
Reserved
No guard tone
550-Hz guard tone
1800-Hz guard tone
Not used
103
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