Handshake Mode Selection - HP 262SA Reference Manual

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/Block mode function key selection determine the
handshake type for some data transfers. Table 9-1 shows the configuration menu settings to
select a given mode; table 9-2 indicates the current mode for any combination ofstrap 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/DC 1
-
Yes No
Status and None
-
Yes
Yes
Ecd
DCI
-
No
-
DC l/DC2/DC I
-
Yes No
User-defined None
Block Page
-
Yes
function key
rtT" type)
None
-
Yes Yes
DCI Block Line No
-
DCl
Character No
-
DC l/DC2/DC I
-
Yes No
DCl/DC2/DCI Block Page
-
No
9-2