参数资料
型号: PEF3452
厂商: INFINEON TECHNOLOGIES AG
英文描述: Line Interface Unit for DS3, STS 1 and E3
中文描述: 线路接口单元的DS3中,STS 1和E3
文件页数: 32/71页
文件大小: 1372K
代理商: PEF3452
PEF 3452
TE3-LIU V1.3
Interface Description
Preliminary Data Sheet
22
2001-12-05
PRELIMINARY
4.1.2
Line Monitoring Application
Figure 8
DS3 Line Monitoring
The external components are according to ANSI T1.102 Annex B. The dimensions given
above lead to a signal level at the monitor device input of approximately -20 dB below
the level at the receiver device.
Similar configurations using the line monitoring mode are possible in STS-1 or E3
applications.
Table 8
Parameter
R
1
(
±
1
%
)
[
]
R
2
(
±
1
%
)
[
]
R
3
(
±
1
%
)
[
]
C
1
(
±
20
%
)
[
nF
]
t
2
:
t
1
External Component Values for DS Line Monitoring
Values
75
47
470
100
1 : 1
F0081
R2
C1
TE3-LIU
TM
Receiver Mode
TE3-LIU
TM
Monitor Mode
RL1
MON
=
1
MON
=
0
R3
RL2
RL1
RL2
1 : 1
1 : 1
DSX cross connect point
R1
C1
75
75
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