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Appendix C
Acronyms
CTC
Cisco Transport Controller
D
DCC
Data Communications Channel
DCN
Data Communications Network
DCS
Distributed Communications System
DRAM
Dynamic Random Access Memory
DS-1
Digital Signal Level One
DS-3
Digital Signal Level Three
DS1-14
Digital Signal Level One (14 ports)
DS1N-14
Digital Signal Level One (N-14 ports)
DS3-12
Digital Signal Level Three (12 ports)
DS3N-12
Digital Signal Level Three (N-12 ports)
DS3XM-6
Digital Service, level 3 Trans Multiplexer 6 ports
DSX
Digital Signal Cross Connect frame
Cisco ONS 15454 Installation and Operations Guide
C-4
November 2001
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