Fork truck signal transition system

Disclosed is a fork truck signal transition system, comprising a signal transmission assembly and a signal transition assembly, wherein the signal transmission assembly comprises a first shielding cable, a second shielding cable, and a fiber; the signal transition assembly comprises a first converter that transforms the CAN signals into fiber signals and a second converter that restores the fiber signals to CAN signals; the first converter and a first shielding cable connected with the fork truck controller are located inside the test room; the second converter and the second shielding cable connected with a computer are located outside the test room; the first shielding cable is connected with the first converter; the first converter and the second converter are connected via fibers; and the second converter is connected with the second shielding cable. The fork truck signal transition system of the utility model can solve the problems generated during the CAN signal transmitting process and well monitor the