二进制八进制十进制十六进制缩写/字符解释000000000000NUL(null)空字符000000011101SOH(start of headling)标题开始000000102202STX(start of text)正文开始000000113303ETX(end of text)正文结束000001004404EOT(end of transmission)传输结束000001015505ENQ(enquiry)请求000001106606ACK(acknowledge)收到通知000001117707BEL(bell)响铃0000100010808BS(backspace)退格0000100111909HT(horizontal tab)水平制表符0000101012100ALF(NL line feed, new line)换行键0000101113110BVT(vertical tab)垂直制表符0000110014120CFF(NP form feed, new page)换页键0000110115130DCR(carriage return)回车键0000111016140ESO(shift out)不用切换0000111117150FSI(shift in)启用切换00010000201610DLE(data link escape)数据链路转义00010001211711DC1(device control 1)设备控制100010010221812DC2(device control 2)设备控制200010011231913DC3(device control 3)设备控制300010100242014DC4(device control 4)设备控制400010101252115NAK(negative acknowledge)拒绝接收00010