AXIS F9114-B is a 4-channel Barebone main unit part of the 2nd generation F-series. AXIS F9114-B has no casing. It is UL recognised and meant to be integrated into a something else (ex: machine...). The final product has to be UL certified. Up to 4x F21, F7225-RE or F4105-LRE video sensors can be connected to it. It also has 2 Audio IN, 1 Audio Out, 4x configuration I/O, 1 RS 232/485, 1x 10-48V DC. It has an Ethernet port and PoE Class 4. Max 25,5W. AXIS TU6009 Connector 6-pin (for the I/O port), AXIS TU6008 Connector 5-pin (for RS port) and AXIS TU6001 Connector 3-in (for DC power) have to be purchased separately. AXIS F9114-B main unit is NOT compatible with the 1st generation of F-series sensors (F1005-E, F1015-E, F1025-E, F1025 F4005, F4005-E).