50.MMI至送(受)话器接口(M2)采用8芯插座,型号为AL16-J8Z,8脚定义是?

50.MMI至送(受)话器接口(M2)采用8芯插座,型号为AL16-J8Z,8脚定义是?

["8.\u9884\u7559\uff08RS485-\uff09"]