+L<FS::cable_model> - Cable-modem model class
+
+L<FS::cable_provider> - Cable provider class
+
+L<FS::svc_alarm> - Alarm service class
+
+L<FS::alarm_system> - Alarm system class
+
+L<FS::alarm_type> - Alarm type (inputs and outputs) class
+
+L<FS::alarm_station> - Alarm central station class
+