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Chapter 2. Getting Started the BHT and System Mode
[4.5] Setting the communications environments
After the BHT is initialized, the interface port and communications parameters are set
as listed in the default table below. Do not access them unless necessary.
Listed below are the default communications parameters for the direct-connect inter-
face.
Interface port
Communications protocol
Communications parameters
for the optical interface port
TRANSMIT SPEED 9600 bps
PROTOCOL
(Protocol options)
Optical (Optical interface port)
BHT-protocol
Defaults
SERIAL No.: ON (Adds serial numbers
to data blocks.)
H. PARITY: ON (Adds a horizontal
parity.)
LINKUP TIME: 30 seconds
FIELD SPACE: Ignore
Defaults
Communications parameters for
the direct-connect interface port
TRANSMIT SPEED 19200 bps
PARITY BIT None
(Vertical parity)
DATA BIT 8 bits
(Character length)
STOP BIT 1 bit
PROTOCOL
(Protocol options)
SERIAL No.: ON (Adds serial numbers
to data blocks.)
H. PARITY: ON (Adds a horizontal
parity.)
LINKUP TIME: 30 seconds
FIELD SPACE: Ignore