Tab le of Con tents
Issue 3 June 2001 10-i
10
Technical Specifications
Overview 10-1
DDM 2000 OC-3 Multiplexer 10-1
â– External Transmission Interfaces 10-1
â– Electrical Interfaces 10-2
DS1 Low-Speed (BBF1B) 10-2
DS1PM Low-Speed (BBF3/BBF3B) 10-2
T1 Carrier Low-Speed (BBF6 T1EXT) 10-4
LAN Interface (BBF9) 10-6
LAN Interface (BBF10) 10-8
HDSL Interface (BBF8) 10-11
DS3 Low-Speed (BBG4/4B) 10-12
EC-1 High-Speed and Low-Speed (BBG6) 10-14
DS3 Data Services Interface (BBG19) 10-15
Transmultiplexer (BBG20) 10-16
Lightguide Jumpers 10-17
Intermediate Reach OC-3 Interface (22F/22F-U/22F2-U OLIU) 10-18
Long Reach OC-3 Interface (22G-U/22G2-U/
22G3-U/22G4-U OLIU) 10-19
Long Reach OC-12 Interface (24G-U) 10-20
Long Reach OC-12 Interface (24H-U) 10-21
Intraoffice (IS-3) OC-3 Rate Interface (22D-U OLIUs) 10-22
Long Reach OC-1 Interface (26G2-U/27G-U/27G2-U OLIU) 10-23
Long Reach OC-12 Interface (29G-U) 10-24
Long Reach OC-12 Interface (29H-U) 10-25