HP 262SA - Handshake Mode Selection

Block Data Transfer
3. A DCI/DC2/DCl handshake (type 3), in which the host computer opens the transfer with a
DCl trigger, the terminal signals a transfer ready with a DC2 as a warning, the host
computer enables the transfer and signals that it is ready to receive a block with a second
DCl trigger, and finally the data block is transferred.
Handshake Mode Selection
Along with the InhHndShk(G) and Inh DC2(H) straps, the Line/Page(D) selection on the
Terminal Configuration menu and Character/Blockmode function key selection determine the
handshake type for some data transfers. Table 9-1 shows the configuration menu settings to
selecta givenmode;
table 9-2 indicates the current mode for any combinationof strap settings.
Table 9-1.
Handshake Selection by Configuration
TRANSFER HANDSHAKE MODE G H
TYPE TYPE
ENTER key None
Character No
-
None
-
-
Yes
DCl
(Option not available)
DCl/DC2/DCl Block
-
No
DC l/DC2/DC1
-
Yes No
Status and
None
-
Yes
Yes
Ecd
DCI
-
No
-
DCl/DC2/DCI
-
Yes No
User-defined None
Block Page
-
Yes
function key
rtT" type)
None
-
Yes
Yes
DCI
Block Line
No
-
DCl
Character
No
-
DCl/DC2/DCI
-
Yes No
DCl/DC2/DCI
Block Page
-
No
9-2