Moves And Changes; Checking Or Disabling The Link Test - Sun Microsystems Ultra 2 Series Reference Manual

2.4

Moves and Changes

If the Ultra 2 Series host is physically moved to another network location or if the
hub is reconfigured, remember to refer back to
relationship between the host and the hub is functional (that is, 1-1 link test enabled-
link test enabled or 0-0 link test disabled-link test disabled), there will be no full,
regular two-way communication between the host and the hub.
2.5

Checking or Disabling the Link Test

To check the link test state of an Ultra 2 Series host:
1. If you do not see the ok prompt, press the Stop (L1)-a keys.
2. At the ok prompt, type:
ok printenv tpe-link-test?
tpe-link-test?
ok
The above screen shows the current link test state (true, or enabled), followed by the
default state (true, or enabled).
To disable the host's link test function:
1. Type the following commands:
ok setenv tpe-link-test? false
tpe-link-test? =
ok reset-all
2. Boot the host and verify that the transceiver cable problem messages do not
appear. Type either boot net or boot disk and press Return.
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FIGURE 2-2
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Chapter 2 10BASE-T Twisted-Pair Ethernet Link Test
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2-5