6 F 3 B 0 3 6 2

9.Network check items (Ethernet Port)

 

Check items

Countermeasure

 

 

 

 

 

Transmission

1.

Is the twisted pair cable connected

1.

Verify the twisted pair cable connections between the

medium

 

between the Ethernet Port and HUB?

 

Ethernet Port and HUB.

installation

 

 

 

 

2.

How long (in meters) are the twisted pair

2.

The maximum segment length for 10BASE-T cabling is

10BASE-T

 

 

cable (i.e. segment lengths)?

 

100 meters.

Network cable

1.

Do all ports on the network respond to ping

1.

Inspect the twisted pair cables for missing termination

check

 

correctly?

 

resistors and damage.

 

 

 

 

 

 

2.

Is the collision frequently happen?

2.

Since network loading is heavy:

 

 

Can you confirm the table indicating the

Transmission efficiency can be degraded (TCP), and

 

 

collision?

 

 

There is an increased possibility of packet loss (UDP).

 

 

 

 

 

 

Therefore, the circuit usage conditions should be reviewed.

 

 

 

 

 

 

3.

Are the error counters read out from the

3.

Check whether there are any defective (or substandard)

 

 

RAS information increasing as time

 

connections on the cables and HUB.

 

 

passes?

 

Check for the presence of noise sources in the vicinity of

 

 

Error counters: Alignment error, Short

 

the network cables.

 

 

packet, CRC error

 

 

 

 

 

 

 

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Toshiba T2N instruction manual 3 B 0 3 6 Network check items Ethernet Port, Check items Countermeasure