Troubleshooting

Troubleshooting the 10/100

Mbps

Ethernet

Controller

This

section provides troubleshooting information for problems that might

the

10/100

Mbps

Ethernet

controller.

Network Connection Problems

If the Ethernet controller cannot connect to the network, check the f

Ÿ Make sure that the cable is installed correctly.

The network cable must be securely attached at all connections. I attached but the problem persists, try a different cable.

If you set the Ethernet controller to operate at 100 Mbps, you Category 5 cabling.

If

you

directly

connect

two

workstations (without a hub), or if

a hub

with

X ports, use

a

crossover

cable.

Note:

To

determine

whether

a

hub

has

an

X port, check the port

 

label

containsX,an the

hub

has

an

X

port.

ŸDetermine if the hub supports auto-negotiation. If not, try config

integrated Ethernet controller manually to match the speed and duple the hub.

ŸCheck the Ethernet lights on the information panel.

These lights indicate whether a problem exists with the connector, hub.

– The

Ethernet

Link

Status

light

illuminates

when

the

Ethernet

receiv

LINK

pulse from the hub. If

the

light

is

off,

there

might be

or

cable, or

a

problem

with

the

hub.

 

 

 

 

– The Ethernet Transmit/Receive Activity light illuminates when the Et controller sends or receives data over the Ethernet network. If Transmit/Receive Activity light is off, make sure that the hub are operating and that the correct device drivers are loaded

– The Ethernet Speed 100 Mbps light illuminates when the Ethernet LAN speed is 100 Mbps.

ŸMake sure that you are using the correct device drivers, supplie server.

Ÿ

Check

for

operating-system-specific causes for the problem.

Ÿ

Make

sure

that

the device drivers on the client and Netfinity 5000

 

using

the

same

protocol.

Ÿ

Test

the

Ethernet.

Chapter 6. Solving Problems 149

Page 157
Image 157
IBM 5000 manual Controller, Network Connection Problems, Link