Alcatel-Lucent 9500 MXC User Manual page 886

International Telecommunications Union (ITU)
A civil international organization established to promote standardized telecommunications.
INU
Intelligent Node Unit.
9500 MXC Node is a split-architecture platform comprising a direct-mount ODU and a rack-mounted indoor
unit, connected by a single coaxial cable.
The INU is a 1U chassis (the IDC) fitted with mandatory cards plus option cards. It supports up to three ODUs
for three non-protected links, or one protected/diversity link and one non-protected link. An INU comprises:
• One IDC (1RU Indoor Chassis)
• One NCC (Node Control Card)
• One FAN (Fan card)
Optional cards comprising RAC (Radio Access Card), DAC (Digital Access Card), AUX (Auxiliary) and NPC
(Node Protection Card)
INUe
Expanded Intelligent Node Unit.
The INUe comprises a 2U chassis (the IDCe) fitted with slots for three mandatory cards (one NCC and two
FANs) and ten option cards. It supports up to six ODUs for six non-protected links, or up to three protected/
diversity links.
IP
Internet Protocol
IRU
Indoor Radio Unit
ISI
Inter-Symbol Interference
ISO
International Standards Organization
ITU-R
International Telecommunication Union - Radio Communication Sector (formerly CCIR and IFRB)
ITU-T
International Telecommunication Union - Telecommunication Standardization Sector (formerly CCITT)
ITU13
International Telecommunications Union
LAN
Local Area Network
LBO
Line Build-Out (I/O Cable Distance Compensator)
12 Alcatel-Lucent