User guide

6: Remote System Control
SecureLinx Spider/SpiderDuo User Guide 51
Monitor Only
When Options > Monitor Only is checked, the keyboard and mouse are disabled for this Remote
Console window. The Monitor Only state is shown in the lower right corner of the Remote Console
status bar. The user must have the appropriate permissions to change this setting.
Exclusive Access
When Options > Exclusive Access is checked, no other client may open a Remote Console
window to this Spider. Any open Remote Console windows on other clients will be disconnected.
The Exclusive Access state is shown in the lower right corner of the Remote Console status bar.
The user must have the appropriate permissions to change this setting.
Screenshot to Clipboard
Options > Screenshot captures a snapshot of the entire target system’s virtual screen to the
clipboard for pasting into other applications.
Refresh Video
The entire Remote Console viewport area is redrawn when the Remote Console window is first
opened, and when the Auto Adjust Video button is clicked. As the encoding settings and noise
filter may sometimes result in visible compression artifacts, selecting Options > Refresh Video
can be used to redraw the entire viewport area.
Telnet/SSH
In addition to interacting with the target system using the KVM Console, the Spider also allows text
communication with the target via the Telnet Console, also a Java program window. Telnet and
SSH are network protocols that enable a tunnel from the client system to the Spider’s serial port.
Once set up, it may be accessed through the web interface at the Telnet Console window, or using
a Telnet/SSH client to connect directly. Note that Telnet/SSH cannot be used to connect to the
Spider itself in order to control it, as the Spider has an HTTP and not a command line interface.
The Telnet Console is a Java program and has the same Java Runtime Environment requirements
as the Remote Console. When the Telnet Console window is open, the user at the client system
can send and receive characters directly to the serial port.
Set up and Enable
To use Telnet or SSH, the serial port must be put in passthrough mode with the appropriate
connection parameters and cabling with Telnet and/or SSH access allowed. If desired, the TCP
port numbers also may be changed from their defaults. A user attempting to connect via Telnet or
SSH must also have the appropriate permissions.
Passthrough Use
When using Telnet/SSH in passthrough mode, the Spider just acts as a conduit for the serial data
traveling between the client system and whatever is connected to the serial port. This may be a
COM port on the remote computer, or a serially controlled power strip, or anything else with an
RS-232 port.
1. From the client system, use a Telnet or SSH utility to connect to the IP address of the Spider,
at the assigned Telnet TCP port number.
2. The Spider will present LOGIN and PASSWORD prompts. Enter a valid user name and
password. The user must have permissions set to use Telnet or SSH.