Appendix; Abbreviations; A.1 Abbreviations - Siemens SINUMERIK MCU1720 Equipment Manual

Appendix

A.1

Abbreviations

AC Alternating Current
ATA Advanced Technology Attachment
AWG American Wire Gauge
BERO Proximity limit switch
BIOS Basic Input Output System
CAT5 Quality class (category) for shielded twisted-pair cables. Class 5 states that these cables have a particularly
low damping factor, making them suitable for 100 Mbit/s-FastEthernet networks.
CCC China Compulsory Certification
CE Conformité Européenne: European Conformity
CFast CF + AST (CompactFlash ATA serial transfer)
CNC Computerized Numerical Control: computerized numerical control
COA Certificate of Authenticity
COM Communications port
CP Communication processor
CPU Central Processing Unit: central processing unit
CRC Cyclic Redundancy Check: checksum validation
CRT Cathode ray tube
CSA Canadian Standards Association
CTS Clear To Send: Clear To Send
cULus UL (Underwriters Laboratories) tested for Canada and USA
DC Direct Current
DCD Data Carrier Detect: Data carrier signal detection
DCP Discovery and basic Configuration Protocol (standard for assigning IP addresses)
DIN Deutsche Industrie Norm (German Industry Standard)
DIP Dual In-Line Package: dual in-line arrangement
DMA Direct Memory Access
DMC DRIVE-CLiQ Module Cabinet (Hub)
DME DRIVE-CLiQ Module External (Hub)
DP Distributed I/O
DPP DisplayPort
DRAM Dynamic Random Access Memory
DRIVE-CLiQ Drive Component Link with IQ
DSR Data Set Ready: Data Set Ready
DTR Data Terminal Ready: Data terminal device is ready
DVC A Decisive Voltage Category A
DVI Digital Visual Interface
EAC Eurasian Conformity
MCU 1720
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