E lectron ics, Matrix routing switcher, 2 communication protocol “mx06 – Kramer Electronics TailorMade User Manual
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K R A M E R
E lectron ics
MATRIX ROUTING SWITCHER
2 COMMUNICATION PROTOCOL “MX06”
INCLUDING OPTIONS (02/09/2005 VER-5.06)
This RS-232 / RS-485 communication protocol uses four bytes of information as defined
below.
For RS-232, a null-modem connection between the machine and controller is used. The
default data rate is 9600 baud, with no parity, 8 data bits and 1 stop bit.
MSB
LSB
1
st
byte
DEST
INSTRUCTION
0
D
N5
N4
N3
N2
N1
N0
7
6
5
4
3
2
1
0
2
nd
byte
INPUT / DATA
1
D6
D5
D4
D3
D2
D1
D0
7
6
5
4
3
2
1
0
3
rd
byte
OUTPUT / ADRESS
1
A6
A5
A4
A3
A2
A1
A0
7
6
5
4
3
2
1
0
4
th
byte
LAYER NUMBER
1
Bit 7
MSB output
Bit 7
MSB input
L4
L3
L2
L1
L0
7
6
5
4
3
2
1
0
1
st
BYTE:
Bit 7 – Defined as 0.
D – “DEST”: 0 - for sending to the switcher (from the PC or keyboard).
1 - for sending to the PC or keyboard (from the switcher).
N5…N0 – “INSTRUCTION”
The function that is to be performed by the switcher(s) is defined by the INSTRUCTION (6
bits). The instruction codes are defined according to the table below (INSTRUCTION NO. is
the value to be set for N5…N0).