46 CHAPTER 1: INTRODUCTIONFigure 18 NBX Analog Terminal Card (3C10117C)Each Analog Terminal Card has the following lights and connectors:■ Analog Connectors (1 through 4) — Four RJ11connectors enableyou to connect analog devices to the NBX system.■ Status Lights (1 through 4) — Each light indicates the status of theassociated port.Initialization:■ Fast steady blink — Waiting for software download.■ Solid on – Software has been downloaded. The flash memory onthe board is being loaded.■ Slow, non-symmetric blinking pattern — Waiting for thecompletion of the binding process to the NCP.Operation:■ Off for 9 to 10 seconds, on briefly — Idle, telephone is on hook.■ On for 9 to 10 seconds, off briefly — Idle, telephone is off hook.■ Console Connector — This DB-9 connector provides an RS-232(DCE) TTY terminal connection for maintenance access.Legacy Link AnalogCardThe 3Com Legacy Link Gateway for Analog Handsets provides NBXprotocol mapping for up to 16 analog handsets using existing PBX wiring.It terminates up to 16 analog tip/ring (2500 series compatible) devices,such analog phones, cordless phones, speakerphones, etc. A maximumof eight simultaneous FAX calls can be made on the card. The Legacy LinkAnalog card requires a license and NBX software R.4.1.6 or higher.Figure 19 3Com Legacy Link Gateway for Analog Handsets (16 Port FXS) (3C10392)3C10117C 3Com NBX Analog Terminal CardCONSOLE2 3 411 2 3 4NOT FOR TELECOM USE