CTC Union TRM01, User Manual

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Table of Contents
ii
Chapter 4. Loop Back Testing
…………………………………... 23
4.1 General ……………………………………………………... 23
4.2 User Activate Loop Back …………………………………. 23
4.3 T1 Link local digital loop back ……..…………….………. 23
4.4 Data Port local analog loop back ……………….………… 24
4.5 T1 Link remote loop back ………………………………… 24
4.6 BERT local loop back ……………...……………………… 25
4.7 BERT remote loop back for system test .………………… 25
Chapter 5. Troubleshooting
……………………………………… 27
5.1 General …………………………………………………….. 27
5.2 Connections .……………………………………………….. 27
5.3 Configuration ..…………………………………………….. 28
5.4 FT1 Card testing .………………………………………….. 29
Appendix A. DIP Switch Setting Tables
………………………. 33
Notes:
…………………………………………………………………. 39
Technical Inquiry Card