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15
1.7 Packet Discrimination Code Assignment
RS-232C Interface Connection
Transmission Mode .................................................Full Duplex
Transfer Speed .........................................................9600 bps or 2400 bps
Start Bit ..................................................................1 bit
Data Bit ..................................................................8 bit
Parity ......................................................................0 bit
Stop Bit ...................................................................2 bit
Handshake ..............................................................RTS/CTS flow control
Others .....................................................................One response per Command
Note:
RS-232C
hand shake control signals originate from the
PC
side (
DTE
) in this document. In this docu-
ment, hexadecimal data will be defined with “$” in front of a number or “h” in back of a number.
Hexadecimal
Function
10h .........................................................................“Command Data Packet”
A0h .........................................................................“C-response Data Packet”
20h .........................................................................“Event Data Packet”
B0h .........................................................................“E-response Data Packet”
30Fh .......................................................................“FP Data Packet”
Every data packet consists of 5 bytes of data.
If the
RE-350
receives another kind of data packet which will be described below, the
RE-350
will disregard the data
packet and while the
RE-350
recognizes the data packet is incorrect, the
RE-350
will inactivate the
CTS
signal line to
the
PC
.
ID number
Each
RE-350
can have an individual
ID
number, (
0,1,2
or
3
), which will be set by digital switches 3 and 4 on the rear
panel. The
RE-350
will neglect the command data packet which has a different
ID
number. The
PC
can recognize
which
RE-350
responds.
Parameter
Each data packet has this parameter. If the data packet does not need the parameter, the content should be set by
$0000
.
1.6 Control Protocol
Summary of Contents for RE-350
Page 1: ...1 RE 350 Control Interface Commands RE 350 Video Visualizer VISUAL COMMUNICATION SYSTEMS v1 0 ...
Page 55: ...55 5 1 RS 232C Control Cable Pin Assignment 5 0 Control Cable Pin Assignments RE 350 RE 350 ...
Page 56: ...56 RE 350 Control Cable Pin Assignments 9 Pin DSUB RS 232C RE 350 RE 350 ...