SEL-2890 Instruction Manual Date Code 20210715
Settings and Commands
Ethernet Network Operation Settings
3.14
TUNNEL
Use the TUNNEL command to request the SEL-2890 to establish a serial tunnel across
a network. The Tunnel setting needs to be set to Cmd (Commanded mode) for this
command to be accepted. Enter TUN 192.168.0.11:3001 <Enter> to have this
SEL-2890 establish a serial tunnel to an SEL-2890, SEL-2701, or other port server
with IP set at 192.168.0.11 and Telnet port 3001. Issue a TUN OFF <Enter>
command to terminate the serial tunnel. Note that establishing a Console session does
not impede the passing of serial data through an SEL-2890. An example of dynamic
serial tunneling is provided in Section 4: Detailed Application Examples.
VERSION
Use the VERSION command to display the current information about the SEL-2890.
Ethernet Network Operation Settings
Several settings control how the SEL-2890 operates on an Ethernet network. These
settings include IP addressing information, network mask, and network gateway.
Network Configuration
Use the network configuration settings shown in Table 3. 3 to configure the SEL-2890
for operation on an IP network and to set other parameters affecting the physical
Ethernet network interface operation.
The SEL-2890 uses the IP and SUBNET_MASK settings to determine the local
network and SEL-2890 node address. The SUBNET_MASK setting defines the subnet
mask. The subnet mask divides the local node IP address into two parts, a network
number and a node address on that network. A subnet mask is four bytes of
information and is expressed in the same format as an IP address.
The SEL-2890 uses the GATEWAY address setting to determine how to communicate
with nodes on other local networks. The SEL-2890 communicates with the router to
send data to nodes on other local networks. You should also coordinate the router with
Table 3.3 SEL-2890 Network Configuration Settings
Label Description Range Default
IP IP network address IP address 192.168.0.2
SUBNET_MASK IP network subnet mask IP address 255.255.255.0
GATEWAY Router gateway IP address 192.168.0.1
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