Verifying an Analog Terminal Adapter or the ATA Port 147operation, expect lower quality voice calls on that port. If you configurethe port for voice calls, the performance is not optimized for faxes.Using Power over Ethernet with a 3C10400B ATAThe NBX Analog Terminal Adapter 3C10400B meets the IEEE 802.3afstandard for Power over Ethernet and can accept power directly from an802.3af-compliant power source. Earlier models of the ATA, 3C10120B,require an AC power converter due to their power requirements.The table describes how to connect a powered Ethernet cable to a3C10400B Analog Terminal Adapter.Verifying an AnalogTerminal Adapter orthe ATA PortAfter the NBX system has discovered an Analog Terminal Adapter or theATA port, you can verify that the port has been properly discovered andsee which extension number the system has assigned. The system assignsthe next lowest available extension to the analog port.To verify that the NBX system properly discovered the ATA:1 Log in to the NBX NetSet utility using the administrator username andpassword.2 Click Telephone Configuration > ATA.Power Source Connection DetailsPower over Ethernet(IEEE 802.3af)power sourceConnect the powered Ethernet cable directly to thetelephone’s Ethernet connector. No separate powerconnection is required.3Com Ethernet PowerSource:■ 3C10220 (12-port)■ 3C10222 (24-port)The 3Com Ethernet Power Source predates802.3af. Any NBX device can be poweredby a 3Com Ethernet Power Source if youuse an NBX Power Splitter (3C10223 –package of 12). The NBX Power Splitterremoves power from a powered Ethernetcable and splits it into a power jack and anunpowered Ethernet connection that you connect to theATA’s LAN port (labeled LAN) and power connection(labeled ).CAUTION: You can damage an NBX device by using an NBX powersplitter (3C10223) with the 3Com Network Jack Power overEthernet Multiport Midspan Solution (3CNJPSE24). Use the NBXpower splitter (3C10223) only with the 3Com Ethernet PowerSource (3C10220, 12-port, or 3C10222, 24-port).3C10223
