HP 27130ARead Device Data, Request Code = 1Subfunction codeI 7 I 6 I 5 I 4 I 3 I 2 I 1 101L ~reservedtoggle SrT detectionreservedtoggle character quotingtoggle echotoggle character editingtoggle signal character detectiontoggle character handshakes (X-ON/X-OFF and ENQ/ACK)(see CAUTION under "Host ENQ/ACK Handshake"paragraph)Write Device Data, Request Code - 2Subfunction codeI 7 I 6 I 5 I 4 I 3 I 2 I 1 101~automat1c output separators appendage4-22