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一、0控大屏，0控小屏，2控普通、2控闽江、3控
1、指令7的发送指令改成39长度，原来是37长度。
2、设备功能码7和功能码11的两个指令的2个字节的值改成厂商和硬件型号。
二、问题
1、0控小屏设置tcp域名指令