Sun Microsystems SPARCcenter 2000 Service Manual page 217

DSBE/S SBus card
J0302 Jumper
Figure 10-8 DSBE/S SBus Card with Springfinger, Backpanel, and Screws
5. For DSBE/S cards only: configure the J0302 jumper shown in Figure 10-8:
•
•
Note – The Link Integrity Test can also be changed through software
commands. See Section 3.9, "Enabling and Disabling the Link Integrity Test."
Caution – If the customer chooses to disable the test, it must be disabled both
!
at the hub and at the server. In the event of "loss of carrier" or "not
responding" problems, check the status of the link enable at both the server
and the hub.
System Boards and Component Replacement
Ethernet connector
Backpanel
To enable the Link Integrity Test, put the shunt in one pin as shown in part
A of Figure 10-9. This is the default condition for Sun equipment.
To disable the test, put the shunt over both pins. See part B of Figure 10-9.
SCSI connector
Phillips-head screw
10
Springfinger
Jackscrews
10-9