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26.6
PEI Parameter
Lists the parameters related to the Peripheral Equipment Interface (PEI) feature.
26.6.1
Baud Rate
Selects the transmission rate at which data flows between DTE (for example computer) and DCE
(that is this TETRA terminal). Baud rate is the number of bits of information, including "control" bits
that are transmitted per second.
The possible values are 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600 and 115200 bps. The
value chosen here will be the default value at radio power-up. The default value is 9600 bps.
To select the option, put the pointer into the field value, click on the arrow, and drag the pointer to
the desired option.
26.6.2
Parity Bit
Determines whether an optional Parity Bit is used on serial communication between DTE (for
example computer) and DCE (that is this TETRA terminal).
The parity bit indicates whether the number of 1 bits in the preceding data was even or odd. If a
single bit is changed in transmission, the message will change parity and error can be detected at
this point. This bit is meant for simple error checking.
There are 4 parity schemes available:
•
PARITY_ODD - asserts or un-asserts a parity bit to set the total number of 1 bits to be odd in
the data.
•
PARITY_EVEN - asserts or un-asserts a parity bit to set the total number of 1 bits to be even
in the data.
•
PARITY_MARK - asserts a parity bit in the data. The parity scheme is programmed to odd.
•
PARITY_SPACE - un-asserts the parity bit in the data.
The option chosen here will be the default value at radio power-up.
To select the option, put the pointer into the field value, click on the arrow, and drag the pointer to
the desired option.
27
TNP1 Support
6866588D21-D
Chapter 3 - MTP850 Ex/MTP810 Ex Product Information Manual
Customer Programming Software (CPS)
March 2009
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