6-4 Smart Switch 1800 4. 0 User Guide , Rev 0 1
On a Port Parameters screen, I/O is always UNIVERSAL for ports 0– 3. Link
State will be one of these:
Link_disableThe link was shut down by an on-line command, is
undergo ing re - IPL, or has not ye t been e s t abli s h ed.
Failed So me or all modem controls ar e missing. (This state is passed
through while a port is becoming enabled.)
Link_down The link wa s u p, but has gone do wn.
Disconnect Level 2 cannot be established.
Linkup The necessary level 1 modem signals are present, and the
level 2 link is up.
NA Some state other than those above has been entered.
Database and System Memory Values
Two sets of values exist for Port parameters: Database values exist in the software, and
are recorded as System Memor y values when the nod e is booted. If the port t ype is the
same in both sets of values, both sets will be displayed.
Any change you make will be recorded as a Database value, and will be copied to the
Syste m Me m ory sid e only i f yo u press [F7] . Note that changes will not be actually be
saved t o the data base unt il you press [F3] to exit the record.
Pressing [F7] will display: On-line changes disable link, are you sure you want to? If
you pres s [Y], the link will be disabled, parameters copied, and the link re-enabled. If
you pres s [N], you will be pr o mp t e d: Do you want to change port parameters p artially
without disable? Pressin g [Y] will p ropagate any changes to those param eters that do
not require disabling the link. P ressing [N] will return you to the first screen in the Port
record.
Configuring the Port Parameters
To configure the port with the parameter values necessary for your application, go to
the appropriate chapter:
●Fram e relay – Chapt e r 7
●X.25 – Chapter 8
●SNA – Chapter 9
●BSC Interactive – Chapter 1 0
●BSC Batch – Chapter 11
●Async – Chapter 12
●Voice – Chapter 1 3
Configure the protocol that
will run over the physical port.