Table of Contents
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Regulatory Compliance
Instrument complies with ETL product category 31
Instrument complies with FCC Part 15, Subpart B, Class A
OC3 Errors Detected
Section, Line, and Path Bit Interleave Parity errors; Line and Path Far-End-Block
errors.
OC3 Alarms Detected
Signal Loss, Loss of Frame, Line FERF, Line AIS, Path FERF, Path AIS, Path
YELLOW, Loss of Pointer alarms.
OC3 Alarms Generated
Signal Loss, Loss of Frame, Line FERF, Line AIS, Path FERF, Path AIS,
Path YELLOW alarms.
SDH-STM-1 Support
SDH option available which provides control and monitoring of S-bits.
Pointer Features
Positive and negative pointer adjustment, programmable pointer value, viewable
received pointer value: current, minimum, and maximum.
ATM Layer
ATM cells carried in the OC3 payload are byte-aligned.
Cell mapping:
Cell rate adaptation:
Performed using the HEC mechanism as described in ITU I432.
Cell delineation:
HEC is generated and checked as described in ITU I.432.
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OC3port Plus Features and Capabilities
Provided by the insertion of idle cells.
Introduction
1
1-9
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