02.11.2018
9
2.4. Mounting interconnected units for RS 232
The Digital Colour Analyzer can be connected
to 99 boards so that 495 LEDs can be tested.
See the physical layout below:
RS 2
3
2
Con
n
e
c
t:
Fe
m
al
e
2
,
Pi
n
2
3
R
x 2
RS 2
3
2
Ca
bl
e
:
Pi
n
2
Tx
2
y
e
llo
w
m
a
rk
Pi
n
2
4
Tx
2
Pi
n
3
R
x 2
Pi
n
2
5
,2
6
G
ND
Pi
n
5
G
ND
Data
Bus
:
Fe
m
al
e
2
,
Pi
n
1
9
R
x 4
Pi
n
2
1
,2
2
G
ND
Pi
n
2
0
Tx
4
Pi
n
2
3
R
x 2
Pi
n
2
5
,2
6
G
ND
Pi
n
2
4
Tx
2
L
a
st
b
o
a
rd
s
ett
in
g
J
u
m
pe
r
Fe
m
al
e
2
,
Pi
n
1
9
,2
0
Ju
m
p
e
r
Sup
pl
y Vo
lta
ge
:
Ea
ch
b
o
a
rd
h
as
a
n
o
w
n
p
o
w
e
r s
u
pp
ly
u
n
it
a
nd
c
a
n
b
e
o
pe
ra
te
d
+
7
V
t
o
1
5
V (p
o
w
e
r i
np
u
t a
b
o
u
t
80
m
A).
Fe
m
al
e
2
,
Pi
n
1
,2
U In
7
-15V
Pi
n
5
,6
G
ND
BR1
Pi
n
2
+
3
Ju
m
p
e
r
USB
a
nd
RS 2
32
c
abl
e
c
a
n
b
e
o
rd
e
red
from
GP
S .
Figure 10b: Connecting Diagram