Cisco ONS 15327 User Documentation page 497

Appendix A Acronyms
Deutsche Institut fur Normung (German Institute for Standardization)
DIN
Dynamic Random Access Memory
DRAM
Digital Signal Level One
DS-1
Digital Signal Level Three
DS-3
Digital Signal Level One (14 ports)
DS1-14
Digital Signal Level One (N-14 ports)
DS1N-14
Digital Signal Level Three (12 ports)
DS3-12
Digital Signal Level Three (N-12 ports)
DS3N-12
Digital Service Level 3 Trans Multiplexer (6 ports)
DS3XM-6
Digital Signal Cross Connect frame
DSX
Dense wavelength division multiplexing
DWDM
E
Erbium Doped Fiber Amplifier
EDFA
Electronic Equipment Enclosures
EEE
Engineer furnish and install
EFI
Electrical Fast Transient/Burst
EFT
Electrical Interface Assemblies
EIA
Extended Long Reach
ELR
Electromagnetic interface
EMI
Element Management Layer
EML
Element Management System
EMS
Express Orderwire
EOW
Electrostatic Discharge
ESD
Extended Super Frame
ESF
European Telecommunications Standards Institute
ETSI
78-11719-02
Cisco ONS 15327 User Documentation, R3.3
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