User guide

Rev. 5 155
Appendix
Abbreviations and Acronyms
D-Sub
Term referring to the family of connectors containing an odd number of
pins in two parallel rows with a 1-pin difference in pins-per-row (DB9,
DB15, and DB25 are most common)
DC; dc
Direct Current; strictly, electrical current that flows in only one direction.
Typically used also to describe an electrical power source in terms of
the voltage. For example, 12 Vdc.
DCE
Data Communication Equipment: The devices of a communications
network, such as modems, that connect the communication circuit
between the data source and destination (DTE’s).
DHCP
Dynamic Host Configuration Protocol; a computer networking protocol
which dynamically distributes the IP address to networked devices
di/dt Current flow rate of change
DSP
Digital Signal Processing; digital representation and processing of
signals typically converted to/from analog signals external to the
processor.
DTE
Data Terminal Equipment: the source or destination of data in a
communication connection. DTE’s are connected to DCE which in turn
is connected to the communication channel.
EFT Electrical Fast Transient
EMC Electromagnetic Compatibility
E
o
Power supply output voltage
ESD Electrostatic Discharge
FIFO First-in / First-out
FTP File Transfer Protocol
i, I Electrical current flow
I
o
Power supply output current
IEC International Electrotechnical Commission
IEEE Institute of Electrical and Electronics Engineers
I/O
Input/Output; The hardware and associated protocol that implement
communication between information processing systems and/or
devices. Inputs are the signals or data received by the system or
device, and outputs are the signals or data sent from it.
IP
Internet Protocol; when used with “address”, refers to a numerical
internet address
Table A-9. Abbreviations and Acronyms (Continued)
Term Meaning