1 Overview Page 6 of 25
COM200 module - Product Manual 1.0 MetCom Solutions GmbH
1.2 Definitions and Abbreviations
Abbreviation
Explanation
HES Head-End-System for remote meter reading
HHU Hand Held Unit for local meter reading
FW Firmware
SW Software
HW Hardware
LCD Liquid Cristal Display
OBIS Object Identification System
PQ Power Quality
GSM Global System for Mobile Communications
GPRS General Packet Radio Service (2G)
UMTS Universal Mobile Telecommunications System (3G)
LTE Long Term Evolution (4G)
APN Access Point Network
IMEI International Mobile Equipment Identity
LLS Low level security, (Password)
HLS High level security, (Key exchange)
TOU Time of use
Push Send data from meter
Pull Grab data form meter
TLS Transport Layer Security
SMS Short Message Service
FTP File Transfer Protocol
TCP Transmission Control Protocol
UDP User Datagram Protocol
IP Internet Protocol
SPI Serial Peripheral Interface
Node sayaç Çözümleri Ltd. Şti.
Metering Solutions
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