Table of Contents
Issue 1 December 1997 10-i
10
Technical Specifications
Overview 10-1
DDM-2000 OC-12 Multiplexer 10-1
■ External Transmission Interfaces 10-1
■ Electrical Interfaces 10-2
DS3 Low-Speed (BBG11/11B 3DS3) 10-2
EC-1 Low-Speed (BBG12 3STS1E) 10-5
■ Optical Interfaces 10-6
Lightguide Jumpers 10-6
Long Reach OC-3 Interface (21G/21G-U/
21G2-U OLIU) 10-7
IS-3 Interface (21D/21D-U OLIU) 10-8
Long Reach 1310 nm OC-12 Interface (23G/23G-U OLIU) 10-13
Long Reach 1550 nm OC-12 Interface (23H/23H-U OLIU) 10-13
OC-3 Optical Interface Mixing 10-17
Universal Optical Connector Attenuators 10-21
■ SONET Overhead Bytes 10-22
■ Performance 10-22
Wander/Jitter 10-22
Signal Performance 10-22
Synchronization 10-22
Protection Switching 10-23
Transient Performance 10-24
Delay 10-24
Performance Monitoring 10-24
■ Operations Interfaces (OI) 10-26
Craft Interface Terminal (CIT) 10-26
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