DATASHEET
PM5349 S/UNI-QUAD
ISSUE 6 | SATURN USER NETWORK INTERFACE | |
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10.8.3Framing and Identity Insert
The Framing and Identity Insert Block inserts the framing bytes (A1, A2) into the
10.8.4Scrambler
The Scrambler Block utilizes a frame synchronous scrambler to process the transmit stream when enabled through an internal register accessed via the microprocessor interface. The generating polynomial is x7 + x6 + 1. Precise details of the scrambling operation are provided in the references. Note that the framing bytes and the identity bytes are not scrambled. All zeros may be continuously inserted (after scrambling) under register control for diagnostic purposes.
10.9 Transmit Line Overhead Processor (TLOP)
The Transmit Line Overhead Processor (TLOP) provides line level alarm signal insertion, and line
10.9.1APS Insert
The APS Insert Block inserts the two automatic protection switch (APS) channel bytes in the Line Overhead (K1 and K2) into the transmit stream when enabled by an internal register.
10.9.2Line BIP Calculate
The Line BIP Calculate Block calculates the line
10.9.3Line RDI Insert
The Line RDI Insert Block controls the insertion of line remote defect indication. Line RDI insertion is enabled using the TLRDI input, or register control. Line RDI is inserted by transmitting the code 110 (binary) in bit positions 6, 7, and 8 of the K2 byte contained in the transmit stream.
Proprietary and Confidential to | 48 |
