ACC HDLC/LAP-B (ABM) User's Guide

48 Chapter4
Protocol Specific Configuration
Terminal-Definition
Config This configuration keyword supplies the ‘POLL’ and
‘SELECT’ p arameters for the ZCOM terminal
definition. These are used to specify:
• whether the HDLC/LAP-B (ABM) terminal acts as a
DTE or DCE,
• the frame re-transmission time-out value,
• the re-transmission count limit,
• the outstanding frame window size to be used,
• the maximum frame size allowed.
In most cases a pre-configured keyword will suffice.
The currently defined keywords are given in the
subsection “Predefined Configuration Values” of this
section. If a d ifferent set of values is required, then
different values for the 'POLL' and 'SELECT' codes
may be entered here in the standard poll and select
format in hexadecimal.
appl. no. Application number (Application dependent - has no
effect on protocol).
inst. no. Institution number (Application dependent - has no
effect on protocol).
brch. no. Branch number (App lication dependent - has no effect
on protocol).
wkst. no. Workstation number (Application dependent - has no
effect on protocol).
area no. Area number (Application dependent - has no effect on
protocol).
NOTE
Thefiveparametersabovearefortheuseoftheapplicationandcanbe
set to any value desired. They can be accessed by the application from
the Logical Terminal Table usi ng the zinfo() library function.
name Choose a meaningful descriptio n of the LAP-B link,
preferably including a reference to the location of the
remote end of the link. This field will be used in some
ZMNTR displays. It may also be acessed
programmatically using the zinfo() library function.