Verify Installation

When power has been applied to the hub:

The green Pwr (Power) LED on the front panel is on.

The green Link LED on each connected port is on.

When the hub is connected and operating, refer to the tables in “Front Panel LEDs” and “Vista RJ- 45 Network Ports with Built-in LEDs” for information about the LEDs and their activity.

Troubleshooting Information

Troubleshooting Information

Symptom

Cause

Solution

 

 

 

100 Link/Rx

Port connection is

Make sure the attached device is powered on and there is a

LED or

not functioning.

proper UTP connection at that end.

10 Link/Rx LED

 

Verify that the network adapter card is installed correctly

is off on an

 

and that the 10 or 100 Mbps LED and Link LEDs are on at

active port.

 

the network adapter card in the PC.

 

 

Make sure that the proper cable is installed, and check for

 

 

miswired cable pairs or loose connectors.

 

 

Make sure the port termination at both the hub and the

 

 

device end is correct. Check the crimp on the RJ-45

 

 

connectors. In a Fast Ethernet operation, the quality of the

 

 

crimp on the connector is important. It is also important that

 

 

only Category 5 cable is used and that it is certified for 100

 

 

Mbps operation.

 

 

Make sure the length of the UTP cable from the hub to the

 

 

device does not exceed 328 feet (100 meters).

 

 

Using cable test equipment, make sure that the cable meets

 

 

the crosstalk, attenuation, and impedance specifications as

 

 

required by the 100BASE-TX standard.

 

 

 

100 Link/Act

Port connection is

Check the Normal/Uplink push button on the front panel.

LED or

not functioning.

If you are using a straight-through cable connected to a PC

10 Link/Act LED

 

or other MDI-wired device, make sure the Normal/Uplink

is off

 

push button is set in the Normal position.

on port 9.

 

If you are using a straight-through cable connected to a

 

 

router or another hub, make sure the Normal/Uplink push

 

 

button is set in the Uplink position.

 

 

Try the alternate position of the Normal/Uplink push button

 

 

to turn the Link LED on.

 

 

 

Col (Collision)

Data collision is

The port and hub might be functioning correctly. Data

LED is on or

occurring on the

collisions are normal on Ethernet networks and occur when

blinking.

port.

two or more computers transmit data on the network

 

 

simultaneously. Computers that caused the collision retry

 

 

transmission at different intervals until the transmission

 

 

succeeds. Excessive collisions can result when multiple

 

 

hubs are connected and when many computers are

 

 

connected on the network. Check and make sure that

 

 

cabling and duplex settings are correct.

 

 

 

Model DS309 Dual Speed Hub Installation Guide

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NETGEAR DS309 manual Verify Installation, Troubleshooting Information

DS309 specifications

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