Getting started27 1999 Nokia Mobile Phones. All Rights Reserved.1 IrDA-SIR infrared port for connecting to a PC, a printer, a digital camera, oranother communicator. For information on infrared connection, see chapter 4"Computer connectivity" on page 39.2 Connector for the charger plug.3 Connector for the RS-232 cable plug and the headset plug.BatteryThe Nokia 9110 Communicator is powered by a rechargeable Lithium-ionbattery. The High Power Battery provides 3 to 6 hours of talk/fax/terminaltime or 60 to 170 hours of standby time. Furthermore, up to 400 hours ofstandby time may be achieved when the phone is off.Use only batteries and accessories approved by the communicatormanufacturer for use with this particular communicator model. Use onlychargers approved by the communicator manufacturer for charging aLithium-ion battery.To charge a battery1 Make sure that the battery is properly installed in the batterycompartment.2 Connect the charger lead to the connector at the bottom of thecommunicator, as shown in figure 11.3 Connect the charger to an AC wall outlet. If the phone is switched on, theCHARGING message appears on the display and the segments of the batteryindicator bar on the right side of the phone display will start scrolling.Figure 11Note: The communicatorcan be used normallyduring charging.