Appendix
User Manual Cash Control Unit 1.0/Edition 12.2009
25 of 27
ID No. 30033908
C
Glossary
bps
bits per second
In digital communications systems, the data rate is measured in bps.
CTS
Clear To Send
DCD
Data Carrier Detect
DIP
dual in-line package
DSR
Data Set Ready
DTR
Data Terminal Ready
ECR
electronic cash register
FAT
File Allocation Table
GND
Ground
LED
Light-Emitting Diode
LVD
Low Voltage Directive
RS232
Recommended Standard 232
a standard for serial binary data signals
RTS
Request To Send
RX
Receive
SD
Secure Digital
a non-volatile memory card format
SDHC
Secure Digital High Capacity
an extension of the SD standard which increases card storage capac-
ity up to 32 GB
SELV
safety extra-low voltage
TX
Transmit