Test Connections; Test Capabilities; Htc-400 Test Card Test Connections - ADC HRE-454 User Manual

150-454-111-06

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:
Test Capabilities
LOOP BACK - This switch position connects the following circuits:
LOOP THRU - This switch position connects the following circuits:
HRE-454
Figure 10. HTC-400 Test Card Test Connections
Table 3. Test Connections
CO Tip Pin # 7
CO Ring Pin # 13
Field Tip Pin # 5
Field Ring Pin # 15
CO Tip Pin # 7
CO Ring Pin # 13
CO Tip Pin # 41
February 25, 2000
to CO Tip Pin # 41
to CO Ring Pin # 47
to Field Tip Pin # 55
to Field Ring Pin # 49
to Field Tip Pin # 5
to Field Ring Pin # 15
to Field Tip Pin # 55
Installation
21