EtherHub 1500 System User’s Guide
| Setting the External Configure Buttons |
| Use the Push Button command in the Control Menu to disable |
| or enable the Configure button on any hub. |
| Performance Menu |
| Displays statistics for the System (entire stack), selected |
| Segment, selected Hub, or all Ports on a specified hub. (Select |
| any segment or hub using the <F4> and <F5> function keys.) |
|
|
Variable | Description1 |
Frames | Number of frames passing through this device. |
Bytes | Number of bytes passing through this device. |
Collisions | Number of simultaneous node transmissions detected by this device. |
Allignment Errors | Number of |
CRC Errors | Number of Ethernet Cyclic Redundancy Code errors detected by this device. |
Total Errors | Total number of errors, including FCS, allignment, FramesTooLong, ShortEvents, LateEvents, |
| Jabber, and DataRateMismatches detected on this device. |
1 - The values displayed have been accumulated since the last system reboot or counter reset.
Threshold Menu
Select the Threshold command from the menu bar to define limits for the parameters monitored by the hub system. Limits can be set for the System (entire stack), Any Hub or Any Port, or a Select Hub or Select Port. Variables to monitor include frames, bytes, collisions, frame allignment errors, CRC errors or total errors. High and low watermarks may be set. While the trigger action includes warning, warning and isolate (for hubs), or warning and disable (for ports). When any threshold is exceeded, the agent will issue an alarm to the network management station based on the selected action.
Setup and Configuration |
