Cabletron Systems SmartSwitch 6000 User Manual page 122

Port Type
Physical Port Interface
7-4
Parameter
Mask Link Alar ms
Maximum Packet Size
Default Window Size
Default Packet Size
Maximum Window Size
Maximum Throughput Class
Default Calling Address
T20 Restart Timer (sec)
T21 Incoming Call Timer (sec)
(sec)
T22 Reset Timer
(sec)
T23 Clear Tim er
DTE Restart Retry Count
DTE Reset Retry Count
DTE Clear Retr y Count
1 if Modulo 8,
1–7
2 This parameter is relevant only if
232 and Generate Clock
3 If SDLC-LLC2 conversion is configured over the port,
. Also, if the X.25 link is to an X.25 network, the network must support Fast Select as
Y
well as call user data greater than 32 bytes.
defines the protocol the port will support. Selecting this parameter will display a list
of valid protocols. An FRX4000 port can be configured as any WAN protocol loaded
in the device. An FRX6000 or FRM port can be configured as any WAN protocol con-
figured on this port's RLP. (Protocol configuration is described in Chapter 4.)
must be configured as follows. For reference, port locations are shown on page 5-1
(FRX4000), page 5-2 (FRX6000), and page 5-3 (FRM).
FRX4000 port 0 is always
FRX4000 port 1 is
DSU card is installed.
FRX4000 ports 2 and 3 are determined by the attached cables:
.
, or
449 X.21
FRX4000 ports 4–7 are determined by the expansion Line Interface Card (LIC)
and attached I/O cables. Line Processor Configuration identifies the LIC, and
only the valid interfaces will be displayed on the Port screen, among:
, , and
V.35 RS-449
which is available by special order.)
FRX6000 ports 0–7 on each RLP are determined by the Line Interface Card(s)
and attached I/O cables. Line Processor Configuration identifies the LIC, and
only the valid interfaces will be displayed on the Port screen, among:
Table 7-1 X.25 Port Parameters
Valid Values
Y/N
128–4096
1–7
16–4096
1–7
see explanation
0–15 characters
1–600
1–600
1–600
1–600
0–99
0–99
0–99
if Modulo 128.
1–127
Physical Port Interface
is Y .
.
RS-232
or , depending on whether the optional CSU/
RS-232 DSU
. (RS-449 and X.21 interfaces require an RS-422 LIC,
X.21
(continued)
Default Value
N
1024
2
128
7
none
none
60
180
60
60
0
0
0
is something other than
Fast Select Acceptance must be
RS-232, V.35, RS-
RS-232
RS-232,
FRX/FRM 3.3 User Guide, Rev 04
RS-
,