Industrial Unmanaged Ethernet Switch with 8 Fast Ethernet ports. All Ethernet Interconnect Switch models offer UL 864 compliance as Component Control Units and Accessories for Fire Alarm Systems.Each twisted-pair port automatically optimises its data rate to 10 Mbps or 100 Mbps. The data rate of fibre ports is fixed at 100 Mbps. Each port negotiates flow control with the PAUSE function for full-duplex links and the backpressure scheme for half-du..