v
No
:
Exchange
the
power
control
compartment,
AC
module,
or
SPCN
card
(BKSPCN
or
TWRCARD)
in
the
frame
from
which
you
removed
the
SPCN
optical
adapter.
Note:
See
the
topic,
or
the
FC
504x
Problem
Analysis
and
Repair
and
Parts
information
(SY44-4934-00),
or
the
manual
on
the
V5R1
Supplemental
Manuals
web
site
,
depending
on
the
secondary
frame
you
are
working
on.
This
ends
the
procedure.
v
Yes
:
Exchange
the
following
FRUs,
one
at
a
time.
Note:
See
the
topic,
or
the
FC
504x
Problem
Analysis
and
Repair
and
Parts
information
(SY44-4934-00),
or
the
manual
on
the
V5R1
Supplemental
Manuals
web
site
,
depending
on
the
secondary
frame
you
are
working
on.
–
PCC
in
the
failing
frame
(first
frame
with
a
failure
indication).
–
PCC,
AC
module,
or
SPCN
card
(BKSPCN
or
TWRCARD)
in
the
preceding
frame
in
the
string.
–
SPCN
optical
adapter
A
in
the
preceding
frame
in
the
string.
–
SPCN
optical
adapter
B
in
the
failing
frame.
–
SPCN
optical
cables
C
between
the
preceding
frame
in
the
string
and
the
failing
frame.
(A)
SPCN
Optical
.-----
(C)
SPCN
adapter
----.
|
Optical
cables
|
|
|
|
.---
(B)
SPCN
.---------.
|
|
|
Optical
|
System
|
|
|
|
adapter
|
Unit
|
V
|
V
|
J15
|
.-.
V
.-.
’----.----’
|
+------------+
|
|
|
+------------+
|
.----’----.
.-------’-+
.-------’-+
.---------.
|
J15
|
|
J16|
|
J15|
|
|
|Frame
J16+-+J15
Frame|
|Frame
J16+-+J15
Frame|
|
1
|
|
2
|
|
3
|
|
4
|
’---------’
’---------’
’---------’
’---------’
^
|
|
’---Failing
frame
This
ends
the
procedure.
20.
Perform
the
following:
a.
Power
off
the
system.
b.
Disconnect
the
SPCN
frame-to-frame
cable
from
J15
on
the
PCC
of
the
first
secondary
frame
that
cannot
become
powered
on.
c.
Connect
the
negative
lead
of
a
multimeter
to
the
system
frame
ground.
d.
Connect
the
positive
lead
of
the
multimeter
to
pin
2
of
the
SPCN
cable.
Note:
Use
an
insulated
probe
or
jumper
when
performing
the
voltage
readings.
e.
Note
the
voltage
reading
on
pin
2.
f.
Move
the
positive
lead
of
the
multimeter
to
pin
3
of
the
SPCN
cable.
48
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation
