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PM7347 Folha de dados(PDF) 301 Page - PMC-Sierra, Inc

Nome de Peças PM7347
Descrição Electrónicos  SATURN USER NETWORK INTERFACE for J2/E3/T3
PDF  341 Pages
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Fabricante Electrônico  PMC [PMC-Sierra, Inc]
Página de início  http://www.pmc-sierra.com
Logo PMC - PMC-Sierra, Inc

PM7347 Folha de dados(HTML) 301 Page - PMC-Sierra, Inc

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S/UNI®-JET Data Sheet
Released
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
301
Document ID: PMC-1990267, Issue 3
Figure 41 Receive J2 Overhead
The Receive J2 Overhead diagram (Figure 41) shows the extraction of the J2 overhead bits on the
ROH output, along with overhead clock (ROHCLK), and frame position indicator (ROHFP).
ROHCLK is a gapped clock with a maximum instantaneous rate equal to the RCLK frequency.
ROHFP pulses on the first bit of TS97 in the first frame of each J2 multiframe.
Figure 42 Receive PLCP Overhead
RPOHFP
RPOHCLK
F1
octe t
M1
octe t
M2
octe t
G1
octe t
B1
octe t
Z1
octe t
Z2
octe t
RPOHCLK
B
5
B
4
B
6
B
3
B
7
B
2
B
1
RPOH
B
5
B
4
B
6
B
3
B
7
B
2
B
8
B
1
B
8
B
8
B
1
RPOHFP
F1 Octet
B1 Octet
TS97
TS98
F-bits
TS1
012
3
4
56
7
0
1
2
3
4
56
7
1
1
0
0
m
X
X
Frame 1
Frames 2, 3, 4
RCLK
ROH
ROHFP
ROHCLK



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