表26.2选项 Code Option Meaning 0 Binary Interpret as 8-bit binary transmission. 1 Echo Echo the data received on one side to the other. 3 Suppress go ahead Suppress go-ahead signals after data. 5 Status Request the status of TELNET. 6 Timing mark Define the timing marks. 24 Terminal type Set the terminal type. 32 Terminal speed Set the terminal speed. 34 Line mode Change to line mode. 26.826.8 表 26.2 选项