(8) Drive Sound, light alarm : after receiving command, absorb open 37th route.

⑨     CPU板工作灯、I/O板工作灯、I/O板工作组灯、位灯均为500MS刷新一次。方法为：组灯由1~6循环点亮，位灯根据所选的点灯组，点亮该组吸起状态的开关量。

其中：CPU板1块，位置D0；

48路模入板2块，位置D1、D8；

48路开关板2块，位置D2、D3；

48路开出板3块，位置D4、D5、D6；

绝缘接口板1块，位置D7；

24路开入板3块，位置D1、D2、D3；

(9) CPU board working light, I/O board working light, I/O board working combination light, position light are all refurbish one time each 500MS. The way is : the combination lights are illumed by 1---6 circulation, the location light illume and absorb the postural Digital Variables. Among them: one CPU Board ,the position is DO

Two 48 route module board, the position is D1, D8

Two 48 route switch board, the position is D2, D3

Three 48 route out board, the position is D4, D5, D6

One insulated interface board, the position is D7

Three 24 route entered board, the position is D1, D2, D3

Among them: 1 piece CPU board, the position is DO

48 route open-enter board 2 pieces, the position is D1、D2.

16 route railway phase mutual inductance 6 pieces, the position is D3、D4、D5、D6、D7、D8.