SEL-2890 Instruction Manual
Date Code 20210715
Settings and Commands
Settings
3.4
Settings Description
The following paragraphs provide additional information on the operation of selected
settings listed in
Telnet Port
This setting is the Telnet port setting. Initiating a Telnet connection to this port will
allow the transceiver to send the data from the network through the serial port. Telnet
port 23 is the default setting. However, choose any other port setting between 1026 and
65534.
Telnet Processing Enable
The TEL_PROC setting can be used to enable (“YES”) or disable (“NO”) Telnet
processing. If TEL_PROC is set to YES then Telnet connection option negotiation and
command processing takes place. If TEL_PROC is set to NO then no Telnet option
negotiation or command processing takes place. All data received from the client is
sent to the serial port and all data received from the serial port is set to the client. This
is commonly called raw TCP mode or Ethernet Encapsulation. This setting applies to
the Telnet Server, Telnet Serial Tunneling and Command Telnet Serial Tunneling
modes. This setting will normally be set to YES to communicate with Telnet Clients.
Changing this setting to NO provides the capability to communicate with third party
products designed to operate with raw TCP terminal servers.
Serial Tunneling
Making a point-to-point serial data connection between two serial IEDs across an
Ethernet network is commonly referred to as serial tunneling.
There are four modes of serial tunneling supported by the SEL-2890: Commanded
(Cmd), Telnet, TCP, and BTCP.
SUBNET_MASK
Subnet mask for network
access
IP address
255.255.255.0
GATEWAY
Gateway on local subnet
IP address
192.168.0.1
a
Address of the format (0–255).(0–255).(0–255).(0–255) within valid address space for your
network configuration.
b
Available only when TUNNEL=N.
c
Setting is not set in default settings and is empty.
d
Hidden if corresponding ROUTE_PORTn setting is set to 0.
e
Hidden if corresponding ACCEPTn setting is set to Y.
f
Total byte framing is limited to 10 bits (BITS+STOP+1 if PARITY=EVEN or ODD)
10.
g
Setting can be changed only through serial port Console Session.
Table 3.1
SEL-2890 Settings Summary
(Sheet 4 of 4)
Setting Name
Description
Range
Default
Value
Содержание SEL-2890
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