3Com 3C10200 NBX Installation Guide - Page 212
Legacy Link Meridian Card, The 3Com Legacy Link Meridian Card enables an NBX system to support
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212 APPENDIX A: SPECIFICATIONS Legacy Link Meridian Card The 3Com Legacy Link Meridian Card enables an NBX system to support Meridian handsets. Table 56 3C10391 NBX Legacy Link Meridian Card Specifications Weight Connectors 500 gm (1.10 lb) RJ-21x 50-way male for handset connection. D-type 9-pin female RS232 diagnostics port. Environmental Mini-DIN 6-pin female power input. 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 Electrical Feature access uses Hook Flash (HF) or Timed Break Recall (TBR) 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 Legacy Link Norstar Card The 3Com Legacy Link Analog Card enables an NBX system to support analog handsets. Table 57 3C10393 NBX Legacy Link Norstar Card Specifications Weight Connectors 500 gm (1.10 lb) RJ-21x 50-way male for handset connection. D-type 9-pin female RS232 diagnostics port. Mini-DIN 6-pin female power input.