The CAIEK01 is an Ethernet extender that consists of two parts: SV unit and IPC unit. The extender can transfer Ethernet signal of the IPC unit to carrier signal through the coaxial or network cable and extend to the SV unit then transfer the carrier signal and transmit power synchronously. The SV unit has one power port, one PoE input port, and two output ports: BNC and RJ45. The IPC unit has two input ports: BNC and RJ45 and one PoE output port.