X.28 - PAD Parameter Settings

Parameter

Reference Parameter Description &

Number Parameter Setting for CCITT standard profiles (value).

----------- ---------------------------------------------------------

TSP: Transparent Standard Profile (CCITT Profile ID = 90)

SSP: Simple Standard Profile (CCITT Profile ID = 91)

1 PAD recall using a character.

TSP: 0 = set to "not possible".

SSP: 1 = set to "possible".

2 Echo.

TSP: 0 = set to "no echo".

SSP: 1 = set to "echo".

3 Selection of "data forwarding" signal.

TSP: 0 = set to "no data forwarding signal".

SSP: 126 = set to "all characters in columns

0 and 1 and character 7/15 (DEL)"

of International Alphabet No. 5.

4 Selection of "idle timer delay".

TSP: 20 = set to "one second".

SSP: 0 = set to "not time out".

5 Ancillary device control.

TSP: 0 = set to "no use of X-ON and X-OFF".

SSP: 1 = set to "use of X-ON and X-OFF".

6 Control of "PAD service" signals.

TSP: 0 = set to "no service signals sent to the

start-stop mode DTE".

SSP: 1 = set to "service signals are sent".

7 Selection of operation of PAD on receipt of "break"

signal form the start-stop mode DTE.

TSP: 2 = set to "reset".

SSP: 2 = set to "reset".

8 Discard output.

TSP: 0 = set to "normal data delivery".

SSP: 0 = set to "normal data delivery".

9 Padding after carriage return.

TSP: 0 = set to "no padding after CR".

SSP: 0 = set to "no padding after CR".

10 Line folding.

TSP: 0 = set to "no line folding".

SSP: 0 = set to "no line folding".

11 Binary speed of start-stop mode DTE.

TSP: n = indicate speed of DTE.

SSP: n = indicate speed of DTE.

12 Flow control of the PAD by the start-stop mode DTE.

TSP: 0 = set to "no use of X-ON and X-OFF".

SSP: 1 = set to "use of X-ON and X-OFF".

13 Linefeed insertion after carriage return.

TSP: 0 = set to "no linefeed insertion".

SSP: 0 = set to "no linefeed insertion".

14 Linefeed padding.

TSP: 0 = set to "no padding after LF".

SSP: 0 = set to "no padding after LF".

15 Editing.

TSP: 0 = set to "no editing in data transfer state".

SSP: 0 = set to "no editing in data transfer state".

16 Character delete.

TSP: 127 = set to character 7/15 (DEL).

SSP: 127 = set to character 7/15 (DEL).

17 Line delete.

TSP: 24 = set to character 1/8 (CAN).

SSP: 24 = set to character 1/8 (CAN).

18 Line display.

TSP: 18 = set to character 1/2 (DC2).

SSP: 18 = set to character 1/2 (DC2).

19 Editing PAD service signals.

TSP: 1 = set to "editing PAD service signals for

printing terminals".

SSP: 1 = set to "editing PAD service signals for

printing terminals".

20 Echo mask.

TSP: 0 = set to "echo all characters".

SSP: 0 = set to "echo all characters".

21 Parity Treatment.

TSP: 0 = set to "no parity detection or generation".

SSP: 0 = set to "no parity detection or generation".

22 Page Wait.

TSP: 0 = set to "page wait disabled".

SSP: 0 = set to "page wait disabled".

X.28 Format of characters / parity bit