Installation
150-454-111-06
20
February 25, 2000
HRE-454
Circuit Testing
Figure 9.
HTC-400 List 1 Test Card
To test circuits on the HTC-400 test card, perform the following steps:
1
Plug the test card into the shelf slot that contains the circuits you want to test.
2
Set test switch S1 (
) on the card to the type of test you want to perform (LOOP BACK, LOOP THRU,
SHORT, or OPEN).
illustrates the connection of Tip and Ring pairs of CO and field
circuits for each setting of the test switch. Pin numbers correspond to edge connector pins for each circuit.
3
Perform the selected test. Monitor the circuits at the corresponding test points on the card.
4
Repeat Steps 2 and 3 as required.
Содержание 150-1122-03
Страница 4: ...Inspecting Shipment 150 454 111 06 iv February 25 2000 HRE 454 ...
Страница 45: ...150 454 111 06 Appendix B Technical Reference HRE 454 February 25 2000 37 Figure 18 HRU 512 Pin Assignments ...
Страница 46: ...Appendix B Technical Reference 150 454 111 06 38 February 25 2000 HRE 454 Figure 19 HRU 612 Pin Assignments ...
Страница 49: ...150 454 111 06 Appendix B Technical Reference HRE 454 February 25 2000 41 Figure 22 HRU 402 Pin Assignments ...
Страница 50: ...Appendix B Technical Reference 150 454 111 06 42 February 25 2000 HRE 454 Figure 23 H2TU R 402 Pin Assignments ...
Страница 51: ...150 454 111 06 Appendix B Technical Reference HRE 454 February 25 2000 43 Figure 24 HRE 454 Wiring Interfaces ...
Страница 74: ...Appendix D Glossary 150 454 111 06 66 February 25 2000 HRE 454 ...
