Car body external indicator light (led explosion-proof type), need installed on both sides of each car shall not be less than 6 light (a car has been flow power supply).
车体外部两侧需安装指示灯(LED防爆型)，每车不得少于6盏(一车一直流电源)。
External power supply after the inspection did not find any problems, remove the external power supply, indicator light does not make computers.
检查外接电源后，没有发现什么问题，去掉外接电源，也不能使电脑指示灯亮。
External power supply after the inspection did not find any problems, remove the external power supply, indicator light does not make computers.
检查外接电源后，没有发现什么问题，去掉外接电源，也不能使电脑指示灯亮。
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