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: 38/71页
文件大小: 1372K
代理商: PEF3452
PEF 3452
TE3-LIU V1.3
Interface Description
Preliminary Data Sheet
28
2001-12-05
PRELIMINARY
Figure 12
J
itter Tolerance
GR-499-CORE
J
itter Tolerance Re
q
uirements
(
DS3
)
The input jitter tolerance is defined as the minimum amplitude of sinusodial jitter at a
given frequency that when modulating the signal at an equipment input port results in
more than 2 errored seconds in a 30-second measurement interval. Requirements on
input jitter tolerances are then given in terms of a jitter tolerance mask, which represents
the minimum acceptable jitter tolerances for a specified range of jitter frequencies.
There are two different jitter tolerance masks defined for Category I (SONET interfaces)
and Category II (non-SONET interfaces) equipment.
GR-253-CORE
J
itter Tolerance Re
q
uirements
(
STS-1
)
For Category I interfaces, the same requirements are used as defined in GR-499-CORE.
For Category II interfaces that are specified as having reduced jitter tolerance, shall
tolerate, as a minimum, input jitter applied according to the mask given in
Table 10
.
4.1.8
Receive Output
J
itter
The intrinsic jitter of the receiver output signal RDOP/RDON/RCLK (if no input jitter is
applied) is
E3:
<
0.06 UI
DS3:
<
0.08 UI
STS-1:
<
0.10 UI
F0104
TE3-LIU
0,01
0,1
1
10
100
0,10
1,00
10,00
100,00
1000,00
10000,00
100000,00
1000000,00
J
itter Fre
q
uency
[
Hz
]
J
i
U
]
GR-499-CORE Cat. 1
GR-499-CORE Cat. 2
ITU-T G.823
ITU-T G.824
GR-253-CORE Cat. 2
pass area
fail area
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