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MODE 122
Factory setting bit : 0 1 1 1 0 0 0 0 (Hex : 70)
Bit
Feature
7
Send V.29 echo protection tone.
(PSTN2)
6
Send V.17 echo protection tone.
(PSTN2)
5
Send V.33 echo protection tone.
(PSTN2)
43
Select V.17 and V.33 carrier
frequency. (PSTN2)
210
MODE 123
Factory setting bit : 0 1 0 0 1 0 0 0 (Hex : 48)
Bit
Feature
76
Select timing for starting
CED sending.
(PSTN2)
54
Select CED frequency.
(PSTN2)
3
Process CED echo.
(PSTN2)
2
Process incoming
command echo.
(PSTN2)
01
Control channel data
rate.
(PSTN2)
Logic
Meaning
0
1
0
1
0
1
00
1800 Hz
01
1700 Hz
10
1800 +1700 Hz
11
Not available
000
Fixed to "000"
Logic
Meaning
00
0 sec
01
2 sec
10
2.5 sec
11
7 sec
00
2100 Hz
01
1080 Hz
10
1300 Hz
11
Not available
0
No
1
Yes
0
No
1
Yes
00
1200 bps
01
Non 1200 bps
10
2400 bps
11
Non 2400 bps
S-80
Description
No
Yes
No
Yes
No
Yes
Description
Specifies time interval from
line connection to starting
sending CED
Specifies frequency to carry
CED or N/A selection.
Specifies whether CED echo
will be processed by set
interval of 500 ms between
CED and initial identification.
Specifies whether incoming
echo will be processed by set
interval of 500 ms between
receiving initial identification
and incoming command.
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