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EXFO FTB/IQS-88000 Series Power Blazer for FTB-2/2Pro/500/IQS-600 User Manual

Page 480

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Test Functions

468

FTB/IQS-88000 Series

OH - SONET/SDH

RDI/ERDI:

F2: User Channel. The User Channel provides a 64 Kbit/s channel for
communication between two PTEs. This byte is only defined for the
first STS-1/STM-1 frame of a composite signal.

H4: Multiframe Indicator. The H4 byte provides a multiframe phase
indication of a VT/TU payload.

Z3 and Z4:

SONET only: Growth.

Bits 5, 6, 7 of G1

Description

000, 001, 011

No defect

100, 111

RDI

010

ERDI-PD

101

ERDI-SD

110

ERDI-CD