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Terms and abbreviations
Issue 1.2
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– E470 Series 3 SMETS2 100 mm – ZCX310 – User Manual and Functional Description
© Gyr
28
Terms and abbreviations
28.1 Acronyms
Term
Description
ALCS
Auxiliary Load Control Switch
BS
British Standard
CSR
Certificate Signing Request
DCC
Data Communications Company in UK
ESME
Electricity Smart Meter Equipment
GBCS
Great Britain Companion Specification
HAN
Home Area Network
HCALCS
HAN Connected Auxiliary Load Control Switch
HES
Head End System
ICHI
Intimate Communications Hub Interface
IEC
International Electrotechnical Commission
IHU
In Home Unit
ISO
International Standards Organisation
IST
In Service Test
LCD
Liquid Crystal Display
LED
Light Emitting Diode
MID
Metering Industry Directive
OTA
Over the Air
PTUT
Prepayment Top-Up Transaction
RNG
Random Number Generator
SMKI
Smart Metering Key Infrastructure
UTC
Universal Time Coordinated
WAN
Wide Area Network