Aastra OpenCom 510 User Guide - Page 205
Frequently Asked Questions, 20.1 General/Hardware
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Frequently Asked Questions General/Hardware 20. Frequently Asked Questions This chapter provides tips and information on how to deal with any malfunctions or faults you may experience with the OpenCom 510. Please note: Repairs to the OpenCom 510 should only be carried out by qualified personnel. The following LEDs indicate that the OpenCom 510 is ready for operation: Activity LED LAN LED +3,3 V LED -42 V LED MPS+1-AC MC+1-3 Position of LEDs on the OpenCom 510 20.1 General/Hardware The OpenCom 510 is not functioning. Make sure the mains plug is properly connected. Plug another device into the mains socket to check whether there is any voltage. The mains plug is connected, the mains socket is supplying output, but the OpenCom 510 still does not function. DANGER! This device contains hazardous voltages. To make the system dead, remove the power plug from the socket. Is the +3,3V/-42V LED illuminated? If not, contact your service centre or an authorised dealer. The AC adapter plug of the OpenCom 510 may be defective. 203