RJ21x Wiring for North America
175
models, and incorrect connection may result in damage to cards and/or
phones.
Legacy Link Cards use only the first 16 pairs of wires of the 25-pair cable
for the handsets. The remaining pairs have no connection and are not
used.
Figure 38
Line Connector (RJ21x) Wiring for North America
Summary of Contents for NBX
Page 20: ...20 ABOUT THIS GUIDE ...
Page 78: ...78 CHAPTER 1 INTRODUCTION ...
Page 120: ...120 CHAPTER 2 INSTALLING SYSTEM HARDWARE COMPONENTS ...
Page 142: ...142 CHAPTER 4 ANALOG LINES ...
Page 162: ...162 CHAPTER 8 T1 DIGITAL LINE CARD ...
Page 192: ...192 CHAPTER 10 CONFIGURING IP TELEPHONY ...
Page 198: ...198 CHAPTER 11 TROUBLESHOOTING ...
Page 222: ...222 APPENDIX A SPECIFICATIONS ...