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Extron • Matrix 3200/6400 Series • User’s Manual
Chapter 4 • Programmer’s Guide
Serial Communications Port
If the Matrix Wideband Video Switcher is the Master BME (BME #0), its
RS-232/RS-422 connector may be connected to the serial port output of a Host
device such as a computer or control panel. Software control of the switcher is
made possible by this connection. A Host serial port connection to the RS-232/
RS-422 connector of a Matrix Wideband Video Switcher is shown in Figure
4-1.A (top BME = Matrix 3200 Wideband Video Switcher, bottom BME = Matrix
6400 Wideband Video Switcher).
___ The Matrix Wideband Video Switcher is normally configured for RS-232 control.
If it is to be used with an RS-422 device, an internal cable must be moved. The
procedure for moving the cable begins on Page 5-1.
The RS-232/422 connector on the Matrix Wideband Video Switcher is a 9-pin
D female with the following pin assignments:
Pin RS-232 Description RS-422 Description
1 – not used Tx(-) Transmit Data (-)
2 Tx Transmit Data Tx(+) Transmit Data (+)
3 Rx Receive Data Rx(+) Receive Data (+)
4 – not used Rx(-) Receive Data (-)
5 Gnd Signal Ground Gnd Ground
6 – not used – not used
7 – not used – not used
8 – not used – not used
9 – not used – not used
The protocol is 9600 baud, 8-bit, 1 stop bit, no parity and no Flow control.
Details for programming the Matrix Wideband Video Switcher from a Host
system connected to the RS-232/RS-422 port are covered in this chapter.
4-1
Figure 4-1.A Matrix Wideband Switcher RS-232/RS-422 to Host connection.
75 OHM
510 OHM
INPUTS 1 - 16
18916
BME
ADDRESS
ANAHEIM, CA
MADE IN USA
1
5
9
13
2
6
10
14
3
7
11
15
4
INPUTS
INPUTS
OUTPUTS
8
12
16
33
37
41
45
34
38
42
46
35
39
43
47
36
40
44
48
17
21
25
29
18
22
26
30
19
23
25
31
20
24
28
32
1
5
9
13
2
6
10
14
3
7
11
15
4
8
12
16
17
21
25
29
18
22
26
30
19
23
27
31
20
24
28
32
33
37
41
45
34
38
42
46
35
39
43
47
36
40
44
48
49
53
57
61
50
54
58
62
51
55
59
63
52
56
60
64
49
53
57
61
50
54
58
62
51
55
59
63
52
56
60
64
AC POWER INPUT
FUSE: 250V 0.8A TT
100-240V 0.5A MAX 50/60Hz
4
IN
OUT
BME COMM.
MKP COMM.
A
B
C
D
E
A
B
C
D
E
To Host
System/Device
Serial Port
To BME 0
Male
Connector
1
5
6
9
ANAHEIM, CA
MADE IN USA
AC POWER INPUT
FUSE: 250V 5.0A TT
100-240V 0.5A MAX 50/60Hz
DISCONNECT POWER CORD BEFORE SERVICING
BME
ADDRESS
4
IN
OUT
BME COMM.
MKP COMM.
A
B
C
D
E
A
B
C
D
E
75 OHM
510 OHM
INPUTS 1 - 16
18916
1
5
9
13
2
6
10
14
3
7
11
15
4
INPUTS
8
12
16
17 18 19 20
24
28
32
1
5
9
2
6
10
3
7
11
4
OUTPUTS
8
9
5
9
10
6
10
11
7
11
12
16
17
5
9
18
6
10
19
7
11
20
24
25
21
25
26
22
26
27
23
25
28
32
Female
Connector
1
5
6
9
Matrix 3200
Matrix 6400