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NETWORK CONNECTIONS
Figure 3-1. Attaching an STP Lobe Link
If the bicolor LED is not lit or remains red, check the following
items:
• Verify that the PC is powered up.
• Check that the device at the other end of the lobe link is
properly connected.
• Verify that the DB-9 connector on the lobe link has the proper
pin-outs (see Section 3.3).
• Check the cable for continuity, and ensure that the cable is a
twisted pair Token-Ring cable.
• Check that the adapter is properly seated in the expansion slot.
• Check that the twisted pair connection meets dB loss and cable
specifications outlined in Section 3.3.
If the bicolor LED is still not lit, or is red, call Cabletron Systems
Technical Support.
Page 3 - 2
1. DB-9 port
2. DB-9 connector
1
3. Screws
2
3
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