HP J3188A manual Running Connectivity Tests, Obtaining Firmware Enhancements

Troubleshooting

Troubleshooting

Hub Maintenance Tasks

Running Connectivity Tests

Both the hub and cabling can be tested by running an end-to-end communica- tions test -- a test that sends known data from one network device to another through the hub -- such that you can verify that the data was correctly transmitted between the devices.

PC sending test packets.

PC responding to the test packets.

See your LAN adapter’s manual for information on running an end-to-end communication test.

Obtaining Firmware Enhancements

In the future, Hewlett-Packard may provide improvements to this product through firmware upgrades. The upgrade code can be downloaded from a PC attached to the hub’s RS-232 port or over the network. The update procedures are described in documents that come with the firmware enhancements.

You can determine the current firmware version on the hub from the ASCII console. Look for the SNMP Agent EEPROM version number to determine the revision. When you access the console, the version number appears.

2-6