Chapter 3 Communications Operations Of The Bht - Denso BHT-7500S User Manual

Communications Operations of the BHT
This chapter describes the communications operations of the BHT-7500/7500S/7500W-
the spread-spectrum communication (for BHT-7500S/7500W only), IR communication,
RS-232C interface specifications, the basic communications specifications, and the
communications protocols-for data transfer with the host computer or other devices.
3.1
3.2
3.3
3.4
3.5
Chapter 3. Communications Operations of the BHT
Spread-Spectrum Communication (BHT-7500S/7500W only) ............................ 124
3.1.1 Notes for Wireless Operations ...................................................................... 124
3.1.2 RF-Related Parameters ................................................................................... 124
Infrared Communication ....................................................................................... 126
RS-232C Interface Specifications .......................................................................... 127
[ 1 ] Interface Connector and Pin Assignment ............................................. 127
[ 2 ] Interface Cable Connection .................................................................... 128
Basic Communications Specifications and Parameters ..................................... 129
3.4.1 Basic Communications Specifications .......................................................... 129
3.4.2 Communications Parameters ........................................................................ 131
Communications Protocols ................................................................................... 132
3.5.1 BHT-protocol ................................................................................................... 132
[ 1 ] Overview .................................................................................................. 132
[ 2 ] Control Characters .................................................................................. 133
[ 3 ] Basic Format of Transmission Messages .............................................. 135
[ 4 ] Text Format .............................................................................................. 136
3.5.2 BHT-Ir Protocol ................................................................................................ 138
[ 1 ] Overview .................................................................................................. 138
[ 2 ] Control Characters .................................................................................. 139
[ 3 ] Basic Format of Transmission Messages .............................................. 141
[ 4 ] Text Format .............................................................................................. 142
123
Chapter 3