Tripp Lite B093-004-2E4U-V Owner's Manual

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6. SSH Tunnels and SDT Connector

6.4 SDT Connector: Telnet or SSH Connect to Serially Attached

Devices

SDT Connector can also be used to access text consoles on devices that are attached to the console server’s serial ports. For

these connections, you must conﬁgure the SDT Connector client software with a service that will access the target gateway

serial port, and then set the gateway up as a host:

• Launch SDT Connector on your PC. Select Edit: Preferences and click the Services tab. Click Add.

• Enter “Serial Port 2” in Service Name and click Add.

• Select Telnet client as the Client. Enter 2002 in TCP Port. Click OK, then Close and Close again.

• Assuming you have already set up the target console server as a gateway in your SDT Connector client (with username /

password, etc.), select this gateway and click the Host icon to create a host. Alternately, select File: New Host.

• Enter 127.0.0.1 as the Host Address and select Serial Port 2 for service. In Descriptive Name, enter something along

the lines of Loopback ports, or Local serial ports. Click OK.

• Click the Serial Port 2 icon for Telnet access to the serial console on the device attached to serial port 2 on the gateway.

To enable SDT Connector to access to devices connected to the gateway’s serial ports, you must also conﬁgure the console

server itself to allow port forwarded network access to itself, and enable access to the assigned serial port:

• Browse to the console server and select Serial Port from Serial & Network.

• Click Edit next to selected Port # (e.g. Port 2 if the target device is attached to the second serial port). Ensure the port’s

serial conﬁguration is appropriate for the attached device.

• Scroll down to Console Server Setting and select Console Server Mode. Check Telnet (or SSH). Scroll to the bottom

and click Apply.

• Select Network Hosts from Serial & Network and click Add Host.

• In the IP Address/DNS Name ﬁeld, enter 127.0.0.1 (this is the console server’s network loopback address) and enter

Loopback in Description.

• Remove all entries under Permitted Services, select TCP and enter 200n in Port. This conﬁgures the telnet port enabled

in the previous step, so for Port 2 you would enter 2002.

• Click Add, then scroll to the bottom and click Apply.

• By default, Administrators have gateway and serial port access privileges. For Users to access the gateway and serial port,

you will need to provide those Users the required access privileges. Select Users & Groups from Serial & Network. Click

Add User. Enter a Username, Description and Password/Conﬁrm. Select 127.0.0.1 from Accessible Host(s) and select

Port 2 from Accessible Port(s). Click Apply.

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Tripp Lite B093-004-2E4U-V 4-Port Console Server with 4G LTE Cellular Gateway, Dual GbE NIC, 4Gb Flash and Dual SIM