NEC Univerge SV8100 Programming Manual - page 854
Issue 11.0
UNIVERGE SV8100
2 - 812
Program 84 : Hardware Setup for VoIP
07
TDM Echo Canceller Default
ERLE Level
Normally not used. Select length of
echo. Effective when 84-31-01 = 1
0~6 (-9dB ~ +9dB)
0 = -9dB
1 = -6dB
2 = -3dB
:
5 = 6dB
6 = 9dB
5
08
TDM Echo Canceller Echo Type
Select echo canceller type:
1: Based upon ITU-T G.168
2: Based upon ITU-T G.167
Effective when 84-31-01 = 1
0 = Disable
1 = Line Echo Canceller
2 = Acoustic Echo Canceller
1
09
TDM Max ERLE
Normally not used. Select
maximum echo return loss level.
Effective when 84-31-01 = 1
0~6 (-9dB ~ +9dB)
0 = -9dB
1 = -6dB
2 = -3dB
:
5 = 6dB
6 = 9dB
2
10
TDM TX Level Control
Select transmit level control mode.
0 = Disable
1 = TX Control Mode
2 = TX Automatic Level Control
Mode
3 = TX HLC (high Level)
3
11
TDM TX Voice Level Control
Mode
Effective when 84-31-10 = 1
0~16 (-24 ~ +24)
0 = -24dB
1 = -21dB
:
8 = 0dB
:
15 = 21dB
16 = 24dB
8
12
TDM TX Automatic Level Control
Level
Normally not used. Select target
gain. Effective when 84-31-10 = 2
0~12 (-42 ~ -6)
0 = -42dBm
1 = -39dBm
:
7 = -21dBm
:
11 = -9dBm
12 = -6dBm
7
Input Data (Continued)
Item
No.
Item
Input Data
Default