IBM 8239 Token-Ring Stackable Hub, Руководство по установке и эксплуатации

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Table 5-9 (Page 3 of 4). Stack-Out Status
Green
(Data Out) Yellow
(DO/CO
Status) Green
(Control
Out) Meaning
Off On Blinking Fault detected in Data Out and Data Out is wrapped. No fault
on Control Out but Control Out has been wrapped by the
system administrator.
Cause Action
Stack cable connected to incorrect port
Make sure that Stack In
connects to Stack Out.
Cable problem Make sure all cable
connections are secure. Check
the cable for breaks or other
damage. Make sure the cable
length and specifications
comply with the requirements
in “Cable Types and
Distances” on page 1-4.
Replace suspect cables with
known good cables. Allow one
minute after each replacement
for problem to clear.
Hardware failure Isolate the faulty 8239 and
replace it.
On On Off Fault detected in Control Out; Control Out is wrapped.
Cause Action
Stack cable connected to incorrect port
Make sure that Stack Out
connects to Stack In.
Cable problem Make sure all cable
connections are secure. Check
the cable for breaks or other
damage. Make sure the cable
length and specifications
comply with the requirements
in “Cable Types and
Distances” on page 1-4.
Replace suspect cables with
known good cables. Allow one
minute after each replacement
for problem to clear.
Hardware failure Isolate the faulty 8239 and
replace it.
Chapter 5. Problem Determination Procedures
5-13