Lucent Technologies DDM-2000 OC-3 User Manual

9-ii Issue 3 June 2001
Table of Contents
Dual Ring Interworking (DRI) Path Protection Scheme 9-32
■ OC-3/OC-12 Path Switched Ring (0x1) 9-34
■ OC-3/OC-1 Path Switched Ring (0x1) 9-34
■ Status of ACTIVE LED on Rings 9-34
■ Equipment Protection 9-34
■ Synchronization Reference Protection 9-35
Loopbacks 9-36
Tests 9-37
■ Transmission Tests 9-37
■ Automatic Turnup Tests 9-37
■ Operations Interface Tests 9-39
Performance Monitoring (PM) 9-40
■ VT Performance Monitoring 9-42
■ DS1 Performance Monitoring 9-42
■ DS3 Performance Monitoring 9-44
DS3 Path PM 9-44
DS3 Line 9-45
■ Optical Parameters 9-45
Performance Monitoring Enabling 9-45
Laser Bias Current 9-45
Optical Transmit Power 9-45
■ OC-3 Section Parameters 9-46
Performance Monitoring Enabling 9-46
Severely Errored Frame Seconds (SEFS) 9-46
■ OC-3/EC-1 Line Parameters 9-46
Performance Monitoring Enabling 9-46
Line Coding Violations (B2 Parity) 9-46
Errored Seconds (ES) 9-47
Severely Errored Seconds (SES) 9-47
Unavailable Seconds (UAS) 9-47
Line Protection Switch Counts 9-47
STS Pointer Justification Count (PJC) 9-47

Lucent Technologies DDM-2000 OC-3 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-3
Category	Multiplexer
Language	English