SAGEM 3P@C

A.Diagnosis of Common Faults

Fault symptom

 

Fault cause

 

 

 

 

Solution

 

 

All

the

indicators

Power

connection

is

Check the power cable and the

are off after power-

wrong or power supply is

socket.

 

 

 

on.

 

 

 

 

 

abnormal.

 

 

 

 

 

 

 

 

LINK

indicator

is

Network

cable

 

is

Replace the network cable.

 

off.

 

 

 

 

 

damaged

or

loosely

 

 

 

 

 

 

 

 

 

 

connected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The type of network cable

 

 

 

 

 

 

 

 

 

 

is wrong or the network

 

 

 

 

 

 

 

 

 

 

cable is too long, whose

 

 

 

 

 

 

 

 

 

 

length

exceeds

 

the

 

 

 

 

 

 

 

 

 

 

permitted range.

 

 

 

 

 

 

LINK

 

indicator

The wiring of the network

Replace the network cable or re-

flashes

 

 

 

cable does not conform to

make network cables.

 

 

 

 

 

 

 

 

the standards.

 

 

 

 

 

 

 

 

 

 

 

 

 

The network cable is too

 

 

 

 

 

 

 

 

 

 

long

 

and

its

length

 

 

 

 

 

 

 

 

 

 

exceeds permitted range.

 

 

 

 

The ACT indicator

The wiring of the network

Replace the network cables or re-

flashes quickly and

cable does not conform to

make them.

 

 

the

 

network

 

is

the standards.

 

 

 

 

 

 

 

blocked.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The

network

can

The working mode of the

Configure the working mode of the

be pinged, but the

switch

does

not

match

Ethernet ports so that it matches

transmission

rate

that of the Ethernet port

the switch or set it in the adaptive

slows down

and

at the network terminal.

working mode.

 

 

packet

 

loss

 

 

 

 

 

 

 

 

 

 

 

occurs.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The

network

can

If

 

the

 

equipment

In about dozens of seconds, the

be

pinged at

a

connected

to

the

port

address table of the switch will be

certain

port,

 

but

does not send data after

updated, and this phenomenon will

not

 

when

 

the

the

network

cable

is

automatically disappear.

Or

network

cable

is

changed

to

another

sending data from this port will

changed

 

 

to

network port,

the

switch

also make the switch update its

another port.

 

 

will not be able to learn

address table immediately.

 

 

 

 

 

 

 

the

 

new

 

address,

 

 

 

 

 

 

 

 

 

 

therefore this port will be

 

 

 

 

 

 

 

 

 

 

blocked temporarily.

 

 

 

 

 

All

ACT

indicators

Broadcast storm.

 

 

1.Check if there is loop on the

are

 

flashing

and

 

 

 

 

 

 

 

network and properly configure the

the

 

network

rate

 

 

 

 

 

 

 

network.

 

 

 

slows down.

 

 

 

 

 

 

 

 

 

2. Check if any site is sending a

 

 

 

 

 

 

 

 

 

 

 

 

 

large

amount of

broadcast

 

 

 

 

 

 

 

 

 

 

 

 

 

packets.

 

 

 

It

stops

working

The power supply works

1. Check if the power supply is

after

a

period

of

abnormally.

 

 

 

 

properly

connected

and

the

normal work.

 

 

It is overheated.

 

 

voltage is too low or too high.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Check the surroundings and see

 

 

 

 

 

 

 

 

 

 

 

 

 

if the vent is empty and the fans of

 

 

 

 

 

 

 

 

 

 

 

 

 

the switch operate normally.

 

The system cannot

The

network

connection

Check the network connection.

 

be

 

 

accessed

is incorrect.

 

 

 

 

Access the system via the serial

through Telnet

 

 

The IP address is not

port and configure the IP address

 

 

 

 

 

 

configured.

 

 

 

 

properly.

 

 

3P@C Installation Manual

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