150-454-111-06
Installation
HRE-454
February 25, 2000
21
Test Connections
Figure 10.
HTC-400 Test Card Test Connections
Test Capabilities
The HTC-400 test card enables technicians to perform the following tests on CO and field circuits by using switch
1 (S1) to select the appropriate test:
Table 3.
Test Connections
Test Capabilities
LOOP BACK - This switch position connects the following circuits:
CO Tip
Pin # 7
to
CO Tip
Pin # 41
CO Ring
Pin # 13
to
CO Ring
Pin # 47
Field Tip
Pin # 5
to
Field Tip
Pin # 55
Field Ring
Pin # 15
to
Field Ring
Pin # 49
LOOP THRU - This switch position connects the following circuits:
CO Tip
Pin # 7
to
Field Tip
Pin # 5
CO Ring
Pin # 13
to
Field Ring
Pin # 15
CO Tip
Pin # 41
to
Field Tip
Pin # 55
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 ...
