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

B-9 Female DB-9 Male

1___________1

2___________2

3___________3

4___________4

5___________5

6___________6

7___________7

8___________8

9___________9

Serial Cable DB-9 Female to DB-9 Male Pin-outs

B-9 Female DB-25 Male

1___________8

2___________3

3___________2

4___________20

5___________7

6___________6

7___________4

8___________5

9___________22

Serial Cable DB-9 Female to DB-25 Male Pin-outs

Page 58
Image 58
Microtest TSB-67 - 568A Annex E Appendix C Cable Pin-outs, Press Save F1, Serial Cable DB-9 Female to DB-9 Male Pin-outs