1100-dds_ib_rev0.doc
Page 7 of 9
06/10/2009
Serial control:
Baud rate is 9600, 8 bits of data in each byte, no parity
SELECT CROSSPOINT
1 BREAK
2
ADDRESS
Must match setting of Address SW
3 WORD
COUNT
3
4
COMMAND
$80 Row 1
$81 Row 2
$82 Row 3
$83 Row 4
5
VALUE
0 to 7
6
CHECK SUM
8 bit sum of bytes 2 to 5 inclusive.
REPORT CROSSPOINT
1 BREAK
2
ADDRESS
Must match setting of Address SW
3 WORD
COUNT
2
4
COMMAND
$40 Row 1
$41 Row 2
$42 Row 3
$43 Row 4
5
CHECK SUM
8 bit sum of bytes 2 to 4 inclusive.
DB9 pin numbering:
1. Gnd
chassis
2. FD-
3. HD+
4. Gnd
signal
5. N/C
6. Gnd
signal
7. FD+
8. HD-
9.
Gnd chassis
D9F
2
7
4
8
3
6
D9F
2
7
4
8
3
6
Remote control
5 4 3 2 1
9 8 7 6
9 pin female ‘D’ connector
as viewed at chassis rear