NEC SL 1000 - Page 566

Item
No.
Item Input Data Description Default Related
Program
08 TDM Echo Can-
celler Echo Type
0 = Disable
1 = Line Echo Cancel-
ler
2 = Acoustic Echo Can-
celler
1
09 TDM Max ERLE
(V2.0 Added)
0 ~ 6 (- 9 db ~ 9 db)
0 = - 9 db
1 = - 6 db
2 = - 3 db
:
5 = 6 db
6 = 9 db
Do not change the setting unless
asked to change by engineer.
Select maximum echo return loss
level.
Effective when PRG 84-31-01 = 1
2 (30 db) 84-31-01
10 TDM Tx Level
Control
0 = Disable
1 = TxLevelControl
mode
2 = TxAutomaticLevel-
Control mode
3 = HLC
3
11 TDM Tx Level-
Control Level
0 ~ 16 (- 24 ~ 24 dB)
0 = - 24 dB
1 = - 21 dB
2 = - 18 dB
:
8 = 0 dB
:
14 = 18 dB
15 = 21 dB
16 = 24 dB
8
12 TDM Tx Automa-
ticLevelControl
Level (V2.0 Add-
ed)
0 ~ 12 (- 42 ~ - 6 dBm)
0 = - 42 dBm
1 = - 39 dBm
:
7 = - 21 dBm
:
11 = - 9 dBm
12 = - 6 dBm
Do not change the setting unless
asked to change by engineer.
Select target gain.
Effective when PRG 84-31-10 = 2
7 84-31-10
13 TDM Tx HLC
Threshold
0 ~ 42 (- 42 ~ 0 dBm)
0 = - 42 dBm
1 = - 41 dBm
:
42 = 0 dBm
41
14 TDM Tx Gain
Compression
mode
0 = Disable
1 = Enable
1
15 TDM Tx Gain
Compression
Threshold
0 = - 42 dBm
1 = - 41 dBm
:
42 = 0 dBm
41
16 TDM Rx Level
Control (V2.0
Added)
0 = Disable
1 = RX Level Control
Mode
2 = RX Automatic Level
Control Flag
Do not change the setting unless
asked to change by engineer.
Select receive level control mode.
0
17 TDM Rx Level-
Control Level
(V2.0 Added)
0 ~ 16 (- 24 ~ 24 db)
0 = - 24 db
1 = - 21 db
2 = - 18 db
:
8 = 0 db
:
14 = 18 db
15 = 21 db
16 = 24 db
Do not change the setting unless
asked to change by engineer.
Select receive voice level.
Effective when PRG 84-31-16 = 1
8 84-31-16
SL1000/SL1100 ISSUE 3.01
2-544 Program 84 : Hardware Setup for VoIPDB
Program
84