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Jumpers
A-3
A
A.2.1 FSBE/S Link Integrity Test Jumper
Set the J0202 jumper (refer to Figure A-3) as required by 10BaseT Ethernet
devices. Sun Microsystems ships the card with the Link Integrity Test enabled.
Note – If the customer chooses to disable the test, it should be disabled both at
the hub and at the FSBE/S card. In the event of “loss of carrier” or “not
responding” problems, check the status of the link enable on both the FSBE/S
SBus card and the hub.
Figure A-3
FSBE/S SBus Card Jumper
To configure the Link Integrity Test jumper:
•
Put the shunt over both pins on the jumper to disable the test.
•
Put the shunt over only one pin of the jumper to enable the test.
SBus
RJ45
10 Base T
SCSI
Jumper