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Console Access Server (CAS) Profile Connection Protocols
When a serial port is connected to the console port on a device, a Console
Access Server (CAS) profile must be defined for the serial port.
Selecting the appropriate connection protocol on the Ports > Physical Ports >
General is part of defining the CAS profile.
The CAS connection protocols apply in the following cases:
•
•
The following table shows the options from the list of connection protocols
when CS serial port is connected to the console port of a server or a device.
Table 10-2: Expert > Console Connection Protocols
Protocol Name
Console (Telnet)
Console (SSH)
Console
(TelnetSSH)
Console (Raw)
Terminal Server (TS) Profile Connection Protocols
When a computer terminal is connected to the console port on a device, a
Terminal Server (TS) profile must be defined for the serial port.
BLACK BOX® CS Installation, Administration, and User's Guide
When a user access the serial port through the Web Manager, the session
automatically uses the specified protocol to connect to the console of the
connected device.
When a user logs in remotely to the serial port, access is allowed only for
the selected protocol. If another protocol is used then access is denied. For
example, if you specify the "Console (SSH)" protocol, the user can use
SSH but cannot use Telnet to access the serial port.
Result
Authorized users can use Telnet to connect to the console of the
connected device.
Authorized users can use SSH to connect to the console of the
connected device.
Authorized users can use Telnet and/or SSH to connect to the
console of the connected device simultaneously. When multiple
sessions feature is configured, simultaneous Telnet and/or SSH
sessions are allowed through the serial port.
Authorized users can make a Raw Socket connection to the console
of the connected device.
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