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8-2 SmartSwitch 1800 4.0 User Guide, Rev 01
Before configuring a logical X.25 port, make sure these are properly configured:
●
Protocol(s) (Chapter 5) that will be transmitted over the logical port.
●
Physical frame relay port (Chapter 7) on which the logical port will reside.
Configuring a Physical X.25 Port
Once the necessary Node (Chapter 4) and Protocol (Chapter 5) parameters have been
configured, press
[A]
at the Port Configuration Menu (or
[A], [C], [A]
from the Main
Menu. When prompted, enter a port number (or press
[Enter]
to accept the default of
0
). Valid port numbers depend on the model of SmartSwitch 1800—see port locations
on page 6-1.
The display for an existing port will show the configured parameter values, while the
display for a new port will show default database values (listed in Table 8-1 on page
8-6). The following figure is an example of an existing port.
Figure 8-1 X.25 Port Screen 1
[A],[C],[A]
from Main Menu
If
Physical Port Interface
(item B) is
DSU
, item L will be
CSU/DSU Operating
Mode
, and item M will be
RTS Control
.
After making any changes, be sure to press
[F7]
to update the
system memory. Otherwise, the changes will not take effect until
the next re-boot of the SmartSwitch 1800.
Pressing
[N]
at the screen in Figure 8-1 will display a second screen, and pressing [N]
at the second screen will display a third screen. The parameters on all three screens are
listed in Table 8-1 (on page 8-6).
Node Name=nodexyz
X.25 Port Parameters (screen 1 of 6)
* Port: 5 Link State: Linkup
* I/O: UNIVERSAL
Database System Memory
A Port Type X25 X25
B Physical Port Interface V.35 V.35
C Blocked Port Flag N N
D Line Speed 64k bps 64k bps
E Modulo 0 Modulo 8 0 Modulo 8
F Maximum LAPB Window Size 7 7
G N2 Retran smit Count 20 20
H T1 R etransmit Period (msec) 2000 2000
I T2 Wait Ack Period (msec) 1000 1000
J T3 Link Alive Period (sec) 10 10
K Logical D CE Y Y
L Generate Clock Y Y
M Rcv C lock (TT) from D TE N N
N X.25 Level 3 - Screen 2
Option: