Communication device for rail transit

The utility model discloses a communication device for rail transit, which comprises a shell and hardware, the shell comprises an upper shell and a lower shell, the upper shell is detachably connected with the lower shell, the hardware is arranged in the shell, and the hardware is arranged in the shell. The hardware comprises a first group of inputs, a second group of inputs, a first group of outputs, a second group of outputs, a specific function input, a first group of optical fiber interfaces, a second group of optical fiber interfaces, a reset button and an indicating lamp; the specific function input comprises a first specific function input and a second specific function input; according to the utility model, the optical fiber communication indicating lamp and the disconnection alarm indicating lamp are added in the communication device, and the indicating lamps give out alarm indication when optical fiber communication is abnormal or disconnected, thereby facilitating daily operation and maintenance wo