212
A
PPENDIX
A: S
PECIFICATIONS
Legacy Link
Meridian Card
The 3Com Legacy Link Meridian Card enables an NBX system to support
Meridian handsets.
Legacy Link Norstar
Card
The 3Com Legacy Link Analog Card enables an NBX system to support
analog handsets.
Table 56
3C10391
NBX Legacy Link Meridian Card Specifications
Weight
500 gm (1.10 lb)
Connectors
RJ-21x 50-way male for handset connection.
D-type 9-pin female RS232 diagnostics port.
Mini-DIN 6-pin female power input.
Environmental
Ambient temperature: 0 °C to 40
°
C (32 °F to 104
°
F)
Humidity: 5% to 85% noncondensing
Telephone
2 REN per port
Connection Two Wire Loop Start
Feature access uses Hook Flash (HF) or Timed Break Recall
(TBR)
Electrical
Voltage input: 3·3, 5 and 12V D.C. derived from the NBX
power rails.
48V D.C. As with most telecommunications power supplies,
the PSU voltage is negative (i.e. 48V).
PSU: 100 - 240V A.C. 47 - 63Hz, 1·6A.
Power input: < 10W internally from NBX rail.
PSU: 70W maximum
Table 57
3C10393
NBX Legacy Link Norstar Card Specifications
Weight
500 gm (1.10 lb)
Connectors
RJ-21x 50-way male for handset connection.
D-type 9-pin female RS232 diagnostics port.
Mini-DIN 6-pin female power input.
Содержание NBX
Страница 20: ...20 ABOUT THIS GUIDE ...
Страница 78: ...78 CHAPTER 1 INTRODUCTION ...
Страница 120: ...120 CHAPTER 2 INSTALLING SYSTEM HARDWARE COMPONENTS ...
Страница 142: ...142 CHAPTER 4 ANALOG LINES ...
Страница 162: ...162 CHAPTER 8 T1 DIGITAL LINE CARD ...
Страница 192: ...192 CHAPTER 10 CONFIGURING IP TELEPHONY ...
Страница 198: ...198 CHAPTER 11 TROUBLESHOOTING ...
Страница 222: ...222 APPENDIX A SPECIFICATIONS ...
Страница 228: ...228 APPENDIX B CIRCUIT PROVISIONING ...