34
LEGEND
*Where X is the unit contro
l softw
are v
e
rsion n
u
mber
.
Fig.
2
7
— Cont
rol Boa
rd Dia
g
ra
m
CCN
—
Carr
ier
Comf
or
t Net
w
or
k
N.O
.
—
Nor
m
ally Op
en
COM
—
Common
R—
Rela
y
D—
Diode
SIO
—
Ser
ial In
put/Output
DIP
—
Dual In-Line P
a
c
k
a
g
e
SW
—
Swi
tc
h
LED
—
Ligh
t-Emit
ting D
iode
T—
T
e
rm
inal
N.C.
—
Nor
m
ally Clo
s
ed
