TransCore SmartPass AI1611, System Manual

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SmartPass® Integrated Reader 2450 MHz (High Voltage) System Guide
CR carriage return
CRC cyclic redundancy check
CTS clear to send
data information that is processed by a computing device
DC direct current
DIAG
diagnostic
ECP error correcting protocol
ECPS error correcting protocol status
EOL end of line
EOM end of message
EPROM erasable programmable read-only memory
field physical area/space in which a tag can be read by the reader; also, an element of a data
record/frame. For example, division within a tag's data frame.
frames consecutive bits of data in memory that are read and written as a group
frequency bands a range of RF frequencies assigned for transmission by an RF device
hex hexadecimal
hexadecimal base 16 numbering system that uses the characters 0–9 and A–F to represent the digits 0–
16
host device, generally a computer, that is connected to SmartPass through the communications
port
I/O or IO circuits input/output circuits
ID identification; encoded information unique to a particular tag
interface connection/connection point for communication with another device
IOST I/O status
ISO International Standards Organization
LF line feed
m meter
MHz megahertz
mode method of operation
ms milliseconds
NAK negative acknowledgment (data not valid)
passback used to refer to a tag ID that is not passed on to the tag buffer
PC personal computer
PCKS EPROM flash checksum
protocol specified convention for the format of data messages communicated between devices
PRST presence status
PWRB power fail bit
RAM random access memory
A-4