Table of Contents
Advertisement
NETWORK CONNECTIONS
If the bicolor LED remains unlit or turns red, check the following
items:
• Verify that the PC is powered up.
• Check that the device at the end of the lobe link is properly
connected.
• Verify that the RJ-45 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
actually a twisted pair 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.
The Token-Ring adapter is now ready for operation. If you
encounter any problems, contact Cabletron Systems Technical
Support.
3.3
NETWORK SPECIFICATIONS
This section outlines the Token-Ring Network operating and
environmental specifications.
3.3.1 Cable Specifications
Each Token Ring adapter supports IBM shielded twisted pair (STP)
cable Types 1, 2, 6, 8, and 9. The adapters also support voice grade,
unshielded twisted pair cable (IBM Type 3).
• Type 1 - Two shielded twisted pairs (STP) of 22 AWG solid wire
for data. Typically used for the longest cable runs in walls of
buildings.
Page 3 - 6
Advertisement
Table of Contents
