Full Duplex mode 34747 The IP Phone 1120E searches for the connect server.The IP Phone 1120E registers with the Terminal Proxy Server (TPS)and, if needed, begins the firmware download. This takes severalminutes. When download is complete, the IP Phone 1120E resets.The current Call Server date and time appear on the top line of thedisplay when the configuration is complete. Self-labeling keys alsoappear.48 Check for a dial tone and the correct DN on the display.49 (Optional) Customize the feature keys as required. For moreinformation, see IP Line Fundamentals (NN43100-500).—End—Full Duplex modeIn the Configuration menu, autonegotiate mode is the default setting forinitial startup. Nortel recommends that autonegotiate mode is used on thenetwork and the IP Phone. Use Full Duplex mode only when the networkis forced Full Duplex for 100BT Full Duplex mode; otherwise, a duplexmismatch results. No intervention is required under normal operation.Changing the speed and changing duplex mode on the phone changes boththe LAN Ethernet port and PC Ethernet Port interfaces.ATTENTIONNortel recommends that autonegotiate mode is used on the network and the IPPhone. Use Full Duplex mode only when the network is forced Full Duplex for100BT Full Duplex mode; otherwise, a duplex mismatch results.If the IP Phone connects to a network configured for Full Duplex modeonly, the IP Phone cannot automatically negotiate the proper configuration.Therefore, in this instance, to allow the IP Phone to work at the optimumspeed and duplex mode, Full Duplex mode must be enabled.Use Procedure 67 "Enabling Full Duplex mode" (page 347) to enable FullDuplex mode.Procedure 67Enabling Full Duplex modeStep Action1 Double-press the Services key to open the Local Tools menu.Nortel Communication Server 1000IP Phones FundamentalsNN43001-368 02.01 StandardRelease 5.0 7 December 2007Copyright © 2003–2007, Nortel Networks.
