一号线南延线TVM单程票发售模块的通信串口号是多少？（）

A.COM3

B.COM4

C.COM9

D.COM10

A.12VDC

B.24VDC

C.5VDC

D.36VDC

A.24VAC

B.24VDC

C.220VAC

D.220VDC

A．X

B．√

A.纸币模块

B.报警器

C.读取不到硬币钱箱

D.票卡通道堵塞

A.12VDC

B.24VDC

C.5VDC

D.36VDC

A．X

B．√

A．X

B．√

A.36V

B.12 V

C.24V

D.220V

A．+2V、+5V、+10V

B．+5V、+10V、+24V

C．+5V、+12V、+24V

D．D．+5V、+15V、+24V