Verify the Installation
When installation is complete and power has been applied to the hub, the following conditions should exist:
•Power LED is on.
•Link LED on each connected port is on.
•Utilization LEDs on the front panel are blinking when data is being received by any port in the hub, and the Link/Receive LED on the connected port is blinking when data is being received by that port.
If there are any problems, refer to the Troubleshooting table.
Troubleshooting Information
Symptom | Cause | Solution |
|
|
|
Link LED off | Port | Make sure the power cord is properly connected and |
or | connection | functioning. |
intermittent | not | Check the crimp on the |
| functioning | that the plug is properly inserted and locked into the port |
|
| at both the hub and the device. Make sure cabling is |
|
| Category 5 and meets the requirements for 100 Mbps |
|
| operation. |
|
| Check installation of the network interface cards and |
|
| verify that they are 100 Mbps capable. Be sure that the |
|
| proper software driver is loaded. Check link LEDs on the |
|
| network adapter card and PC or workstation. Make sure |
|
| cables and connectors are correct. |
|
|
|
Collision | Collisions | Excessive collisions can be caused by incorrect cabling, |
LED on or | taking place | connectors, or wiring techniques or can occur when the |
blinking | on network | network is too busy. Ensure that the PC at the far end is |
| segment(s) | set to |
|
|
|
Problems | Normal/ | Check the Normal/Uplink push button on the front panel. |
with port 4 | Uplink push |
|
(DS104) or | button in the |
|
port 6 | wrong |
|
(DS106) or | position |
|
port 8 |
|
|
(DS108) or |
|
|
port 16 |
|
|
(DS116) |
|
|
|
|
|
Model DS104/DS106/DS108/DS116 Dual Speed Hub Installation Guide