List of abbreviations
SIMATIC IPC277E
144
Operating Instructions, 11/2019, A5E35783335-AE
DSR
Data Set Ready
Ready for operation
DTR
Data Terminal Ready
Data terminal is ready
ESD
Components sensitive to electro-
static charge
EN
European standard
EEPROM Electrically Erasable Program-
mable Read-Only Memory
ESD
Electrostatic Sensitive Device
Electrostatic discharge
Electrostatic Sensitive Devices
Electrostatic discharge
EWF
Enhanced Write Filter
FBWF
File Based Write Filter
GND
Ground
Chassis ground
HD
Hard disk
Hard disk
HDD
Hard Disk Drive
HDD
HMI
Human Machine Interface
User interface
HORM Hibernate Once - Resume Many
HT
Hyper Threading
I/O
Input/Output
Data input/output for computers
IDE
Integrated Device Electronics
IEC
International Electronical Com-
mission
IGD
Integrated Graphics Device
IP
International Protection
in English-speaking countries:
Ingress Protection
Degree of protection
IRQ
Interrupt Request
ISA
Industry Standard Architecture Bus for expansion modules
LAN
Local Area Network
Computer network that is limited to a local area.
LEDs
Light Emitting Diode
Light emitting diode
LPS
Limited Power Source
MAC
Media access control
Media access control
MLFB
Machine-readable product desig-
nation
MS
Microsoft
MTBF
Mean Time Between Failures
MUI
Multilanguage User Interface
Language localization in Windows
NTFS
New Technology File System
NVRAM Non Volatile Random Access
Memory
Non-volatile data memory. Data memory is re-
tained without external power supply.
ODD
Optical Disk Drive
