X.25 Port Parameters - Cabletron Systems SmartSwitch 6000 User Manual

X.25 Port Parameters

Configuring X.25
If this port will be connected to a dial modem, press
Dial Port" on page 7-12.)
If none of the above applies, press
perform the next desired operation.
You cannot configure a port to be both a Network trunk and a Dial port.
The following table lists all parameters displayed on screens 1–3. (Some will or will
not be displayed depending on whether the physical interface is DSU.) CUG, Network
Trunk, and Dial Port screens and parameters are described later.
Parameter
Por t Type
Physical Port Interface
Blocked Port Flag
Line Speed
Modulo
Max. LAPB Window Size
N2 Retransmit Count
T1 Retransmit Period
T2 Wait Ack Period (msec )
T3 Link Alive Period
Logical DCE
Generate Clock
Rcv Clock (TT) from DTE
CSU/DSU Operating Mode
RTS Control
On-line Sys. Memory Changes
Lowest/Highest "nnn" Channel
Flow Control Negotiation
Throughput Class Negotiation
Local Charge Prevention
Reverse Charge Acceptance
Fast Select Acceptance
Incoming Calls Barred
Outgoing Calls Barred
(continued on next page)
twice to return to X.25 Port screen 1, then
[F3]
Table 7-1 X.25 Port Parameters
Valid Values
X.25
see explanation
Y/N
see explanation
8 or
1–7
0–20
(msec) 2000–15000
0–5000
(sec) 1–60
Y/N
Y/N
2
Y/N
Normal, LDM
Constant, External
Y/N
0–4095
Y/N
Y/N
Y/N
Y/N
Y/N
Y/N
Y/N
. (See "Configuring a
[P]
Default Value
X.25
see explanation
N
FRX4000 –
FRX6000, FRM –
128
8
1
or 1–127 7
5
2000
1000
10
Y
Y
N
Normal
Constant
N
see explanation
N
N
N
N
3
N
N
N
56K
9600
7-3