EMERGENCY LIGHTING DEVICE

The invention relates to an emergency lighting device (1), comprising: output terminals (5a, 5b) for electrically supplying an emergency lighting means (2); a port (9) for receiving communication signals, wherein a test switch (11) is connectable to the port (9); wherein the port (9) is configured to receive selective test start signals from the test switch (11) or non-test start related communication signals; and a controller (6) configured to discriminate the communication signals received at the port (9) in order to correspondingly process the received data as test start signal data or other data.