Patton electronics G.SHDSL NTU, Руководство пользователя

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G.SHDSL NTU User Manual V0.03 56
3.8 Parameters Table
3.8.1 E1 Interface Model
NTU Type
□
STU-R
□
STU-C-INTCLK
□
STU-C-EXTCLK
SHDSL
Annex
□
A
□
B
PSD
□
R1_ASTM
□
R2_ASYM
□
SYM_ENABLE
□
ASYM_DISABLE
SNR Margin
□
DISABLE
□
0
□
1
□
2
□
3
□
4
□
5
□
6
□
7
□
8
□
9
□
10
Power Back Off
□
Disable
□
Enable
E1
Channel
□
PCM31
□
PCM31C
□
PCM30
□
PCM30C
□
Unframed
Slot Number
First Slot
Code
□
HDB3
□
AMI
AIS
□
Off
□
On
Build Outs
□
75 Ohm
□
120 Ohm
3.8.2 Serial Interface Model
NTU Type
□
STU-R
□
STU-C-INTCLK
□
STU-C-EXTCLK
SHDSL
Annex
□
A
□
B
PSD
□
R1_ASTM
□
R2_ASYM
□
SYM_ENABLE
□
ASYM_DISABLE
SNR Margin
□
DISABLE
□
0
□
1
□
2
□
3
□
4
□
5
□
6
□
7
□
8
□
9
□
10
Power Back Off
□
Disable
□
Enable
Serial
Interface
□
V.35
□
X.21
Data Rate
Clock
□
Normal
□
Inverse
RTS
□
On
□
From DTE
CTS
□
On
□
Off
□
From RTS
DSR
□
On
□
Off
□
From DTR
DCD
□
On
□
Off
□
From DSL
Delay
□
0mS
□
1mS
□
2mS
□
3mS