SOH RX, which displays the bytes associated with the Section/LINE Overhead
POH RX, which displays the bytes associated with the Path Overhead
Summary, which displays the Path Traces (J0, J1, J2), APS (K1, K2), Synchronization status (S1), STS Path (C2), and VT
Path (v5) Signal Label bytes
SOH
Tapping the applicable byte enables an automatic decode – a byte description including the Hexadecimal and Binary value is
provided. For some bytes, an advanced decode of the various bits is also available.
Section Overhead
The following is a partial list of SOH bytes and their corresponding functions:
Section Layer
Framing Bytes (A1/A2)
The A1/A2 bytes indicate the beginning of the STM-N frame and provide a frame alignment pattern
A1 is the 1st framing byte: 11110110 (Hex F6)
A2 is the 2nd framing byte: 00101000 (Hex 28)
Both A1 and A2 bytes are unscrambled
The Frame Alignment Word of a STM-N frame is composed of (3 x N) A1 bytes followed by (3 x N) A2 bytes
A1 [Framing] Byte
TX300S_e-manual_D07-00-064P_RevA00
Summary of Contents for VePAL TX300M
Page 1: ...TX300S_e manual_D07 00 064P_RevA00...
Page 12: ...23 0 About VeEX Go back to top TX300S_e manual_D07 00 064P_RevA00...
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Page 61: ...Tx Structure Setup Graphical Mode Tx Payload Setup TX300S_e manual_D07 00 064P_RevA00...
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Page 220: ...Pattern Setup Results Errors Alarms TX300S_e manual_D07 00 064P_RevA00...
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Page 261: ...Go back to top Go back to TOC Errors Alarms Page 2 TX300S_e manual_D07 00 064P_RevA00...
Page 369: ...OAM LMM Parameters OAM Service DMM OAM DMM Message TX300S_e manual_D07 00 064P_RevA00...
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