Operation and Maintenance
Revised 2015-12-04
3-12
N-Tron® 300 Series Hardware Guide
300 Series LED’s and Operating Modes
The 300 series LED’s and a description of the associated operating mode is presented in
Table
4
.
Table 4.
LED
Color
Description
Green
Power is applied
OFF
Power is off
Green
Link between ports established
OFF
No link between ports
Green
Data is active between ports
OFF
Data is inactive between ports
Unit LED’s
Maintenance
There are no field serviceable parts to the N-Tron 300 series switches.
Verify/Troubleshoot
The following procedure provides some guidelines to assist in identifying hardware issues that might be affecting
unit performance.
1.
Make sure the (Power LED) is ON.
2.
Verify that Link LED’s are ON for connected ports.
3.
Verify cabling used between stations.
4.
Verify that cabling is Category 5 (or greater) for 100Mbit Operation.
5.
Verify TX is connected to far end RX and vise versa (fiber optic units only).
LNK
ACT
