2.12 Power Failure Connections2.12.1 Power Failure ConnectionsWhen the power supply to the PBX fails, power failure transfer (PFT) will switch from the current connectionto the Power Failure Connection. Refer to "2.4.1 Power Failure Transfer" in the Feature Guide for furtherinformation.NoteWhile DC power is provided by the backup batteries, the PBX will remain fully operational and theconnection will not switch to the Power Failure Connection.Using Analogue Trunk Card and Super Hybrid PortsIn the event of power failure, SLTs connected to Ports 1 and 2 of the Super Hybrid Ports (on the Main Board)are automatically connected to PFT ports 1 and 2 of the first LCOT2/LCOT4 card (installed in the least slotnumber).NoteEven when the power returns, the conversation established during power failure will be maintained.Using BRI2 CardLINE 1 and LINE 2 of the BRI2 card can be used for Power Failure Connections.NoteWhen the power returns, the connection will switch back to normal configuration from the Power FailureConnection, and a trunk conversation established during power failure will be dropped.To ISDN extensionRJ45(LINE 1)RJ45(LINE 2)To NT1 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8ONOFFONOFFSet all DIP switchesat "ON" positions.Accessories and User-supplied ItemsAccessories (included): Extension Bolt ´ 1, Strap ´ 1User-supplied (not included): RJ45 connectorsInstallation Manual 2252.12.1 Power Failure Connections