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

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Table 5-8 (Page 3 of 4). Stack-In Status
Green
(Data In) Yellow
(DI/CI
Status) Green
(Control In) Meaning
Off On Blinking Fault detected in Data In and Data In is wrapped. No fault on
Control In but Control In 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 In; Control In is wrapped.
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.
5-10
8239 Setup and User’s Guide