Param Description Initial Circumstances under Valid Function eter value which user may change values of value 1 Escape to command mode 1 None 0 Escape off 1 Escape on 2 Echo 1 Half-duplex terminals 0 Echo off 1 Echo on 3 Data forwarding 48 none 0 None 1 A-Z,a-z,0-9 2 CR 4 ESC,BEL,ENQ,ACK 8 DEL,CAN,DC2 16 ETX,EOT 32 HT,LF,VT,FF 64 chars 0-31 not included above 128 All other chars 4 Data forwarded on timer 0 none 0 None 1-255 n/20 secs timeout 5 Flow control by PAD 0 Buffered terminals 0 Control off 1 Control on (XON/XOFF) 6 Suppression of PAD service signals none 0 Suppression on 1 Suppression off 7 Action of PAD on break 5 none 0 None 1 PAD transmits INTERRUPT packet 2 PAD transmits RESET packet 5 PAD transmits INTERRUPT packet and Indication od Break Pad message 8 Pad Escapes from data transfer state 21 Pad transmits interrupt packet and indication of Break pad message. Sets PAD parameter 8 to 1 8 Suppression of data delivery 0 none 0 Data delivered 1 Data discarded 9 Padding after CR Profile Non-standard terminals 0 No padding except on PAD generated FEs 1-7 1-7 character times 10 Line folding Profile Non-standard terminals 0 No output processing 1-255 Line folding fter 1-255 characters 11 Terminal speed (unwritable) PAD None 0 110 1 134.5 bit/s 2 300 3 1200/1200 4 600 5 75 6 150 7 1800 8 200 9 100 10 50 11 1200/75 12 2400 13 4800 14 9600 15 19200 16 48000 17 56000 18 64000 bit/s 12 Flow control by terminal 0 Buffered terminals 0 Flow control off 1 flow control on 13 LF insertion after CR 6 None 0 No LF insertion 1 LF inserted in data from host 4 LF inserted in data echoed to terminal 5 1+4 6 LF inserted in data echoed to terminal and transmitted to host 7 1+6 14 Padding after LF Profile Non-standard terminals 0 No padding inserted 1-7 1-7 character times 15 Editing 1 ) To allow 0 Editing disabled 1 editing enabled 16 Character delete character 127 ) editing characters 0 Character delete disabled 1-255 Decimal code of character delete character 17 buffer delete character 24 ) to be entered 0 Buffer delete disabbled 1-255 Decimal code of buffer delete code 18 display character 18 ) as data 0 Display disabled 1-255 decimal code of display character 19 rubout echo 2 0 no echo 1 delim by backslashes 2 bs sp bs 3-255 echo char 3-255 20 21 22 page length 24 0 No paging 23 tab action 0 0 HT to host, echo as 1-8 spaces * map to spcs from 24-39 24-39 tab vector monotonically increasing tab positions < 132