MLC 55 RS MK - Uncategorized Extron - Free user manual and instructions
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| Product Type | AV Control System |
| Model | MLC 55 RS MK |
| Brand | Extron |
| Dimensions (H x W x D) | 1.7" x 4.5" x 3.0" (4.3 cm x 11.4 cm x 7.6 cm) |
| Weight | 1.5 lbs (0.7 kg) |
| Power Supply | External 12 VDC, 1 A |
| Power Consumption | 12 W maximum |
| Control Ports | 1 RS-232, 1 IR, 1 Relay, 1 Flex I/O |
| Supported Protocols | Extron IP Link, RS-232, IR, Contact Closure |
| Primary Functions | Control displays, projectors, switchers, and other AV devices via RS-232, IR, or contact closure |
| Mounting | Rack-mountable (1U) or surface mount |
| Indicators | Power LED, IR transmit LED, RS-232 activity LED |
| Enclosure | Metal, black |
| Operating Temperature | 32°F to 122°F (0°C to 50°C) |
| Humidity | 10% to 90% non-condensing |
| Safety Certifications | CE, FCC Class B, UL listed |
| Maintenance | Clean with a soft, dry cloth; do not use liquids or solvents |
| Spare Parts and Repairability | Contact Extron Technical Support for replacement parts; device is not user-serviceable |
| Warranty | 3 years parts and labor |
| Included Accessories | Mounting brackets, power supply, IR emitter, manual |
Frequently Asked Questions - MLC 55 RS MK Extron
How do I reset the MLC 55 RS MK to factory defaults?
Press and hold the recessed Reset button on the rear panel for 5 seconds until the Power LED blinks. Release the button; the device will reboot.
Can I control the MLC 55 RS MK via IP?
No, this model does not support IP control. It uses RS-232, IR, and contact closure for control.
What is the maximum IR control distance?
The included IR emitter can transmit up to 15 feet (4.6 m) in a direct line of sight.
How do I power the MLC 55 RS MK?
Connect the included 12 VDC external power supply to the rear panel power jack. The Power LED will illuminate.
How do I program the MLC 55 RS MK?
Use the Extron ControlScript programming language or the Global Configurator software. Connect via RS-232 to a PC.
Can I use the MLC 55 RS MK to control a projector?
Yes, the device can send RS-232 or IR commands to control projectors, displays, and other AV equipment.
What does the relay port do?
The relay port provides a dry contact closure (normally open/closed) for controlling screens, shades, or other low-voltage devices.
How do I mount the MLC 55 RS MK?
Use the included mounting brackets to rack-mount in a 1U space or surface-mount to a wall or furniture.
Is the device firmware upgradeable?
Yes, firmware can be upgraded via the RS-232 port using Extron's firmware update tool.
What should I do if the device does not respond?
Check the power supply connection and verify the Power LED is on. Confirm RS-232 cable pinout is correct (null modem). Try a factory reset.
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