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Connection Timeouts
The Ethernet link times out after a designated period of time with no communication. By
default, this timeout value is 5 minutes, but the value can be changed.
NOTE: Extron recommends leaving the default timeout at 5 minutes and periodically
Verbose Mode
SSH and Telnet connections can be used to monitor for changes that occur,
such as SIS commands from other SSH or Telnet sockets or serial port changes.
For a session to receive change notices, the session must be in verbose mode
1 or 3 (see
changes in messages that resemble SIS command responses. Front panel changes are also
sent to users who are in verbose mode.
Tagged and Untagged Responses
When a query command is sent in verbose mode 0 or 1, only the "untagged" value is
returned. When a query command is sent in other verbose modes, the response is "tagged"
and resembles the response to a set command.
Example: The "View Specific Output Channel Trim" command
following responses appear depending on the verbose mode:
•
•
Host-to-device Communications
SIS commands consist of one or more characters per command field. They do not require
special characters to begin or end the command sequence. Each response to an SIS
command ends with a carriage return and a line feed (CR/LF =
the response character string. A string is one or more characters.
NOTE: Secure Shell (SSH) client connections may add an extra line feed in the final
Password Information
NOTE: The factory configured passwords for all accounts on this device have been set
The ] Password: prompt requires a password (administrator level or user level) followed by
a carriage return. The prompt is repeated if the correct password is not entered.
If the correct password is entered, the unit responds with ] Login Administrator ] or
] Login User ] , depending on the password entered. If passwords are the same for both
administrator and user, the unit defaults to administrator privileges.
issuing the
(Q) command to keep the connection active. If there are long idle
Query
periods, disconnect the socket and reopen the connection when another command
must be sent.
Verbose Mode
on page 74). In verbose mode 1 or 3, the socket reports
Untagged (verbose 0 or 1): -10
Tagged (verbose 2 or 3): SspV8*-10
queried, and the dB value.
terminator in SIS responses, for example, standard is X1!] and SSH is X1!}] .
to the device serial number. In the event of a complete system reset, the passwords
convert to the default, which is extron.
E
]
, just the dB value with no other information.
]
, the type of query sent, the analog channel
]
SSP 200 • SIS Configuration and Control
}
V8SSP
is sent. The
), which signals the end of
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