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Chapter 3. Communications Operations of BHT-6000
Chapter 3
Communications Operations of BHT-6000
This chapter describes the communications operations of the BHT-6000--the RS-232C
interface specifications, the basic communications specifications, and the communica-
tions protocols--for data transmission with the host computer or other devices.
3.1 RS-232C Interface Specifications......................................................................................................... 82
[ 1 ] Interface Connector and Pin Assignment .................................................................................. 82
[ 2 ] Interface Cable Connection ......................................................................................................... 83
3.2 Basic Communications Specifications and Parameters .................................................................... 84
3.2.1 Basic Communications Specifications .......................................................................................... 84
3.2.2 Communications Parameters......................................................................................................... 86
3.3 Communications Protocols.................................................................................................................. 87
3.3.1 BHT-protocol.................................................................................................................................... 87
[ 1 ] Overview ....................................................................................................................................... 87
[ 2 ] Control Characters ....................................................................................................................... 88
[ 3 ] Basic Format of Transmission Messages................................................................................... 90
[ 4 ] Transmission Control Sequences ............................................................................................... 91
[ 5 ] Aborting Data Transmission........................................................................................................ 99
[ 6 ] BCC for Horizontal Parity Checking .......................................................................................... 100
[ 7 ] Text Format................................................................................................................................. 101
3.3.2 BHT-Ir Protocol .............................................................................................................................. 103
[ 1 ] Overview ..................................................................................................................................... 103
[ 2 ] Control Characters ..................................................................................................................... 104
[ 3 ] Basic Format of Transmission Messages................................................................................. 106
[ 4 ] Transmission Control Sequences ............................................................................................. 107
[ 5 ] Aborting Data Transmission...................................................................................................... 116
[ 6 ] CRC .............................................................................................................................................. 117
[ 7 ] ID ................................................................................................................................................. 117
[ 8 ] Text Format................................................................................................................................. 118