Manual Part 7

RBS 2000Glossary
GSM 800
GSM system 800 MHz (generic)
GSM 900
GSM system 900 MHz (generic)
GSM 1800
GSM system 1800 MHz (generic)
GSM 1900
GSM system 1900 MHz (generic)
HCE
HDSL Central Equipment
HCOMB
Hybrid COMBiner
HDLC
High level Data Link Control
HDSL
High bit rate Digital Subscriber Line
Heat Exchanger
A version of the climate unit
HEU Heat Exchanger Unit
HISC
Highway Splitter Combiner
HLIN
High Level IN
HLOUT
High Level OUT
HMS
Heat Management System
Hum Humidity
HW
HardWare
HWU HardWare Unit
An HWU consists of one or more SEs. An HWU is
a functional unit within the RBS. The HWU is either
active (equipped with a processor) or passive (without
processor).
I1A
Internal Fault Map Class 1A
I1B Internal Fault Map Class 1B
I2A Internal Fault Map Class 2A
IA Immediate Assignment
IC
Integrated Circuit
ICMI
Initial Codec Mode Indicator
12 (24)
EN/LZT 720 0283 Uen R1B