HP E3491A, Installation And Service Manual

Page: 61 / 70

TEST 2: LAN 10BASE2 Feedback Test
For LAN 10BASE2 test, the following is an example of a failure which is not
caused by a broken HP E3491A Pentium Probe.
R>pv -t2 -v2 1
Testing: HPE3499A Series Emulation System
Test # 2: LAN 10Base2 Feedback Test failed!
FAILED - no lan connection (LAN probably not terminated)
FAILED Number of tests: 1 Number of failures: 1
Check to see that the port under test has a good cable connected to it and
that the cable is properly terminated with a 50 ohm terminator on each end
of the overall cable.
R>pv -t2 -v2 1
Testing: HPE3499A Series Emulation System
Test # 2: LAN 10Base2 Feedback Test failed!
FAILED due to excessive collisions
FAILED Number of tests: 1 Number of failures: 1
The most common cause of this problem is poor termination of the cable or
failure to remove the port under test from the LAN before performing the
test. Check to see that the terminators are good (50 Ohms) and that you are
isolated from any traffic on a system LAN.
R>pv -t2 -v2 1
Testing: HPE3499A Series Emulation System
Test # 2: LAN 10Base2 Feedback Test failed!
FAILED - invalid Ethernet address in EEPROM
FAILED Number of tests: 1 Number of failures: 1
First check to see that a correct LLA and IP address have been set in the
virtual EEPROM through the "lan" command. If the "lan" command shows bad
information for the LLA and IP, then try to set them to correct values. If you
are unable to set them to correct values, their is a failure in the FLASH ROM
which requires service from HP.
Solving Problems
To execute the built-in performance verification test
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