P
P
r
r
o
o
-
-
B
B
e
e
l
l
L
L
t
t
d
d
T
T
e
e
c
c
h
h
n
n
i
i
c
c
a
a
l
l
m
m
a
a
n
n
u
u
a
a
l
l
H
H
U
U
-
-
F
F
r
r
e
e
e
e
w
w
a
a
y
y
R
R
S
S
4
4
2
2
2
2
1
1
9
9
3
3
P
P
r
r
o
o
b
b
l
l
e
e
m
m
s
s
o
o
l
l
v
v
i
i
n
n
g
g
T
T
h
h
e
e
g
g
r
r
e
e
e
e
n
n
L
L
E
E
D
D
s
s
o
o
n
n
t
t
h
h
e
e
r
r
o
o
u
u
t
t
i
i
n
n
g
g
c
c
a
a
r
r
d
d
a
a
r
r
e
e
o
o
f
f
f
f
?
?
There is no power on the card.
·
check that there is power from the PSUs
·
check cable interconnections
·
ensure that the card is properly seated in the frame
T
T
h
h
e
e
H
H
E
E
L
L
L
L
O
O
L
L
E
E
D
D
o
o
n
n
t
t
h
h
e
e
c
c
a
a
r
r
d
d
r
r
e
e
m
m
a
a
i
i
n
n
s
s
o
o
f
f
f
f
?
?
No command has been received by the board.
·
check the power
·
check that the ‘level’ and ‘higher dest decode’ switches are set correctly
·
check cable interconnections
·
check that level is configured in database
T
T
h
h
e
e
r
r
o
o
u
u
t
t
e
e
r
r
w
w
i
i
l
l
l
l
n
n
o
o
t
t
p
p
a
a
s
s
s
s
d
d
a
a
t
t
a
a
?
?
Commands are received but not implemented.
·
check all LEDs as above
·
check the wiring of the ports
·
use an RS422 checker to confirm presence of data on ports
·
park ports before routing (manual parking mode)