Control
Remote Control via Simple Instruction Set (SIS™\⤀
The SW8/12 VGA Ars switchers can be controlled via
The
Only pins 2, 3, and 5 are required. Disconnect all other conductors in the attachment cable for proper operation.
Pin RS-232
Description
RS-232 Control Port Connector
1 | — | — |
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2 | Tx | Transmit data |
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3 | Rx | Receive data | 5 | 1 | |
4 | — | — |
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5 | Gnd | Signal ground | 9 | 6 | |
6 | — | — | |||
DB9 Pin Locations | |||||
7 | — | — | Female | ||
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8 | — | — |
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9 | — | — |
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Rules governing SIS commands include:
•SIS commands consist of one or more characters per field.
•No special characters are required to begin or end a command sequence.
•When a command is valid, the switcher executes the command and sends a response to the host device.
•All responses from the switcher to the host end with a carriage return and a line feed (CR/LF = ]), which signals the end of a response character string.
•A string is one or more characters.
Switcher-initiated (unsolicited\⤀ messages
When a local event, such as a front panel operation or error condition, occurs, the switcher responds by sending a message to the host.
(C)Copyright 2008, Extron Electronics SWy VGA Ars, Vx.xx] The switcher issues the copyright message when it first powers on. y = the number of inputs (8 or 12, depending on the model)
x.xx = the firmware version number