Operation Manual

VigorSwitch P2121 User’s Guide
161
P
P
a
a
r
r
t
t
V
V
I
I
I
I
S
S
y
y
s
s
t
t
e
e
m
m
M
M
a
a
i
i
n
n
t
t
e
e
n
n
a
a
n
n
c
c
e
e