MX-C250 SIMULATION 6 – 82
105 1 U6A Reg. ITC4 Spark quenching.
SQ1
0 : Not used at this moment 1 : OHS OHS2 SQ1 SQQ
AOUT.
2 U6A Reg. ITC4 Spark quenching.
SQQ
0 : 0 1 0 0 3ms +/- 10%
(meets ETSI standard)
1 : 1 x 1 1 26 ms +/-
10% (meets Australia spark
quenching spec).
3 U6A Reg. ITC4 Loop current loss: 0 : No loop current loss 1 : Loop current loss
4 1800 Hz Guard Tone Enable 0 : Disable 1 : Enable
5 - 6 V.34 Precoder Options. Allow precoder use. However,
if packet error percentage is
greater than UD6 threshold,
negotiate lower primary chan-
nel rate and stop using pre-
coder.
0 0
Allow precoder use. However,
if packet error percentage is
greater than UD6 threshold,
negotiate lower primary chan-
nel rate but keep using pre-
coder.
0 1
Never use precoder 1 0
Never use precoder 1 1
7 Disable automatic TX level control
during V.34 transmission.
0 : automatic TX level control
during V.34 enabled.
1 : automatic TX level con-
trol during V.34 disabled.
8 Not used
106 1 - 4 V.34 Connection Aggressiveness
Control
Use ROM Table with automatic
aggressiveness setting.
0 0 0 0
Use ROM Table (most aggres-
sive).
0 0 1 0
Use ROM Table (more aggres-
sive).
0 0 1 1
Use ROM Table (aggressive). 0 1 0 0
Use ROM Table (less aggres-
sive).
0 1 0 1
Use ROM Table (least aggres-
sive).
0 1 1 0
5 - 6 G3 dropout threshold 6.0 dB 0 0
4.1 dB 0 1
2.5 dB 1 0
1.1 dB 1 1
7 Disable G3 Echo Suppression
when the modem is the originator.
0 : G3 Echo Suppression
Enabled
1 : G3 Echo Suppression
Disabled
8 Disable G3 Echo Suppression
when the modem is the answerer.
0 : G3 Echo Suppression
Enabled
1 : G3 Echo Suppression
Disabled
107 1 Add slight pre-emphasis to V.34
CC to overcome attenuation at
high frequency.
0 : Enable 1 : Disable
2 Mechanism to watch for the case
where the V.34 Primary Channel
0 : Enable this mechanism 1 : Disable this mechanism
3 - 5 Number of additional V.34 control
channel inter frame flags
0-flag 0 0 0
1-flag 0 0 1
2-flag 0 1 0
3-flag 0 1 1
4-flag 1 0 0
5-flag 1 0 1
6-flag 1 1 0
7-flag 1 1 1
6 - 8 Number of additional V.34 primary
channel inter frame flags
0-flag 0 0 0
1-flag 0 0 1
2-flag 0 1 0
3-flag 0 1 1
4-flag 1 0 0
5-flag 1 0 1
6-flag 1 1 0
7-flag 1 1 1
108 1 - 4 Guaranteed V.34 preamble dura-
tion for primary channel
Setting value
+50ms
Two states input
5 - 8 Guaranteed V.34 preamble dura-
tion for control channel
Setting value
+50ms
Two states input
SW
No.
Bit
No.
System set-
tings
Item SW selection and function Remarks
To Next Page
Loading...
