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Programmer’s Guide
The switcher’s rear panel Remote
REMOTE
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| 1 | — | Not used | — | Not used | |
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| RS232/RS422 | 2 | TX | Transmit data | TX– | Transmit data | |
1 | 6 | 3 | RX | Receive data | RX– | Receive data | ||
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| 4 | — | Not used | — | Not used | ||
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5 | 9 |
| 5 | Gnd | Signal ground | Gnd | Signal ground | |
| 6 | — | Not used | — | Not used | |||
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| 7 | — | Not used | RX+ | Receive data (+) | |
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| 8 | — | Not used | TX+ | Transmit data (+) | |
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| 9 | — | Not used | — | Not used |
Figure 4-1 — Remote connector pin assignments
The default protocol is as follows:
• 9600 baud | • | no parity | • |
• 1 stop bit | • | no flow control |
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NThe MVX 128 A switcher can support either
Host-to-Switcher Instructions
The switcher accepts SIS (Simple Instruction Set) commands through the
Switcher-Initiated Messages
When a local event such as a front panel operation occurs, the switcher responds by sending a message to the host. The
(C) Copyright 2005, Extron Electronics CP 300 450 MAV IP, Vx.xx,
The switcher initiates the copyright message when it is first powered on. Vx.xx is the firmware version number.
Qik]
The switcher initiates the Qik message when a front panel switching or preset recall operation has occurred.
Sprnn]
The switcher initiates the Spr message when a memory preset has been saved from the front panel. “nn” is the preset number.
Innn Audxx]
The switcher initiates the Aud message when a front panel input audio level change has occurred. “nn” is the input number and “xx” is the dB level.