An emergency lighting system (1, 101), comprising a luminaire-spanning unit (13, 17, 18; 117), a plurality of high-frequency communication modules (33, 34, 35, 36, 37, 38, 39; 134, 136, 137, 138, 139), and a plurality of luminaires (19, 21, 23, 24; 119, 121, 123, 124), these luminaires (19, 21, 23, 24; 119, 121, 123, 124) being in each case assigned to a high-frequency communication module (33, 34, 35, 36, 37, 38, 39; 134, 136, 137, 138, 139) and having to be monitored by means of the luminaire-spanning unit (13, 17, 18; 117) that comprises one of the plurality of high-frequency communication modules, the high-frequency communication modules in each case being intended for the transmission of data (DK1, DK1', SK1; DK2, DK2', SK2, SK2'; DK3, DK3', SK3, SK3'; DTN) of the luminaires (19, 21, 23, 24; 119, 121, 123, 124) to the luminaire-spanning unit (13, 17, 18; 117), characterized in that in each case a high-frequency communication module being integrated into in each case a luminaire, the high-frequency communication modules being designed as follows: a) to capture external data (DK2, DK2', SK2, SK2'; DK3, DK3', SK3, SK3'; DTN) from other luminaires (21, 23, 24; 121, 123, 124); b) to be combiners of own data (DK1, DK1', SK1) and external data (DK2, DK2', SK2, SK2'; DK3, DK3', SK3, SK3'; DTN) from other luminaires (21, 23, 24; 121, 123, 124), c) to form a monitoring tupel (179, 181, 183, 185, 187, 189, 191) that contains both the own data (DK1, DK1', SK1) of the own luminaire (19; 119) and the external data (DK2, DK2', SK2, SK2'; DK3, DK3', SK3, SK3'; DTN) of other luminaires (21, 23, 24; 121, 123, 124), data (DK1, DK1', SK1; DK2, DK2', SK2, SK2'; DK3, DK3', SK3, SK3'; DTN) of the monitoring tupel being analyzed, stored in a buffer memory, in the process faulty monitoring data being replaceable by usable monitoring data (DK1, DK1'; DK2, DK2'; DK3, DK3'; DTN) and a thus updated monitoring tupel being formed, d) to transmit the data (DK1, DK1', SK1; DK2, DK2', SK2, SK2'; DK3, DK3', SK3, SK3'; DTN) by repeatedly sending as updated monitoring tupel together for processing to the luminaire-spanning unit via the high-frequency communication module assigned to this luminaire-spanning unit. a) to capture external data (DK2, DK2', SK2, SK2'; DK3, DK3', SK3, SK3'; DTN) from other luminaires (21, 23, 24; 121, 123, 124); b) to be combiners of own data (DK1, DK1', SK1) and external data (DK2, DK2', SK2, SK2'; DK3, DK3', SK3, SK3'; DTN) from other luminaires (21, 23, 24; 121, 123, 124), c) to form a monitoring tupel (179, 181, 183, 185, 187, 189, 191) that contains both the own data (DK1, DK1', SK1) of the own luminaire (19; 119) and the external data (DK2, DK2', SK2, SK2'; DK3, DK3', SK3, SK3'; DTN) of other luminaires (21, 23, 24; 121, 123, 124), data (DK1, DK1', SK1; DK2, DK2', SK2, SK2'; DK3, DK3', SK3, SK3'; DTN) of the monitoring tupel being analyzed, stored in a buffer memory, in the process faulty monitoring data being replaceable by usable monitoring data (DK1, DK1'; DK2, DK2'; DK3, DK3'; DTN) and a thus updated monitoring tupel being formed, d) to transmit the data (DK1, DK1', SK1; DK2, DK2', SK2, SK2'; DK3, DK3', SK3, SK3'; DTN) by repeatedly sending as updated monitoring tupel together for processing to the luminaire-spanning unit via the high-frequency communication module assigned to this luminaire-spanning unit.