3Com 6412M-25-TP manual Reset, Chapter Troubleshooting

When

the

Reset

LED

Is

ON

or

Starts

Blinking

When

the Reset LED of an

6412M-25-TP module

is

ON

or

starts

blinking,

the module

has

entered

into

an

error condition. Table 4-3

describes

the

possible problems that

may

occur

and the

corrective

action to

take

for

each

problem.

Table

4-3. Problem

Determination

Using

the

Module

Reset

LED

Reset

LED

Meaning

Possible

Corrective

Action

Cause

ON

6412M-25-TP

Module

is

Perform

the

wrap

tests

module

error

faulty.

described

in

“Determining

the

condition

Failing

Component

Using

a

Wrap Test”

on

page 4-9.

There is a

bad1) Remove the module and

connection

on

re-insert

it

in

the

same

slot.

the

ATM

2)

If

the

problem

persists,

insert

backplane.

the module in another slot.

Blinking

6412M-25-TP

(ONcore only)

Install

an

ONcore

ATM

module

error

ONcore

ATM

Switch/Control

module

in

slots 9

condition

Switch/Control

to

10

(or

11

to 12

in

17-slot

module

is

not

model).

installed.

Module is either1) Remove the module and

faulty

or

not

re-insert

it.

securely

2) If the problem persists,

plugged

into

replace the

module.

the

ATM

backplane.

There is a bad1) Remove the module and

connection

on

re-insert

it

in

the

same

slot.

the

ATM

2)

If

the

problem

persists,

insert

backplane.

the module in another slot.

Chapter

4.

Troubleshooting 4-7