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4. Use the arrow keys and the Unsel/Sel (F2) key so that the only pairs selected (marked with a
x) are 36 and 45.
5. Press Save (F1).
6. Select Limits.
7. Select Impedance. Change the Minimum limit from 80 to 135. Change the Maximum limit
from 125 to 165. Press Save (F1) to save the new limits.
8. Press the ESCAPE key twice.
9. Press Default (F1) to select “*Cat 5 Link” as the default Autotest. The “*” indicates that this
is a user-defined Autotest.
10. If the length of cable that you are testing is near 328 feet, you may need to change the
maximum Length limit from 328 to 361 feet. Other limits such as the Loop Resistance and
Capacitance may also need to be changed proportionately to the increase in Length limit if
these tests are failing marginally.
11. You are now ready to press the AUTOTEST key to run the Token Ring Cat 5 Autotest.
Appendix C: Cable Pin-outs
Cable Pin-outs
Serial Cable DB-9 Female to DB-9 Male Pin-outs
Serial Cable DB-9 Female to DB-25 Male Pin-outs
B-9 Female DB-9 Male
1___________1
2___________2
3___________3
4___________4
5___________5
6___________6
7___________7
8___________8
9___________9
B-9 Female DB-25 Male
1___________8
2___________3
3___________2
4___________20
5___________7
6___________6
7___________4
8___________5
9___________22