2.2 Installation of the Hybrid IP-PBX — KX-TDA100/KX-TDA20042 Installation Manual2.2.4 Installing/Replacing the Power Supply UnitFunctionAccessory and User-supplied ItemsAccessory (included): Screws × 4User-supplied (not included): earthing wire, Back-up Battery Cable (KX-A228 for PSU-S andPSU-M, or KX-A229 for PSU-L)Notes• For details about frame earth connection, refer to "2.2.5 Frame Earth Connection".• For details about backup batteries connection, refer to "2.2.6 Backup BatteriesConnection".Safety InstructionsEach PSU complies with Safety Class 1 of IEC60950, EN60950, UL60950,CAN/CSA-C22.2 No.60950, and AS/NZS60950; therefore a protective earth connection existsbetween the mains outlet ground and the PSU case. To ensure the PBX chassis is safelygrounded, it is essential that the PSU case be securely fastened to the PBX chassis with the 4screws provided with each PSU.When installing or replacing PSU, basic safety precautions should always be followed toreduce the risk of fire, electric shock and injury to persons, including the following:PSU Type Lower/Upper Input Voltage Range Current InputFrequencyPSU-S(for KX-TDA100)Lower: 100 V AC to 130 V AC 1.4 A50 Hz or 60 HzUpper: 200 V AC to 240 V AC 0.8 APSU-M(for KX-TDA100/200)Lower: 100 V AC to 130 V AC 2.5 AUpper: 200 V AC to 240 V AC 1.4 APSU-L(for KX-TDA200)Lower: 100 V AC to 130 V AC 5.1 AUpper: 200 V AC to 240 V AC 2.55 AAC InletPower SwitchAC InletPower SwitchPSU-S PSU-M/PSU-LBattery SwitchEarth TerminalBattery SwitchEarth TerminalBattery ConnectorBattery Connector
