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PM7347 Datasheet(PDF) 301 Page - PMC-Sierra, Inc |
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PM7347 Datasheet(HTML) 301 Page - PMC-Sierra, Inc |
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301 / 341 page  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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