By: Crestron
The World's Leader for Advanced Home, Campus & Building Control Automation Solutions
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
3-Series Control System® w/infiNET EX

The Crestron MC3 is an economical 3-Series Control System® in a compact form factor with built in infiNET EX® wireless technology and on-screen display capability. Featuring the 3-Series® control engine, the MC3 forms the core of any modern networked home or commercial building, managing and integrating all the disparate technologies throughout the facility to make life easier, greener, more productive, and more enjoyable.

MC3 features include:

  • Next generation control system
  • 3-Series® Control Engine
  • Exclusive modular programming architecture
  • Onboard 256MB RAM & 2GB Flash memory
  • Support for external USB flash memory and mass storage devices
  • Integrated infiNET EX® wireless gateway
  • Support for CNXRMIRD IR Receiver[1]
  • Customizable OSD user interface
  • WAV, MP3, and WMA audio file playback
  • Industry-standard Ethernet and Cresnet® wired communications
  • XPanel with Smart Graphics™ computer and Web based control
  • iPhone®, iPad®, Android™, and Samsung Smart TV® control app support
  • Crestron Fusion™ Enterprise Management Software support
  • SNMP support
  • Built-in IR, COM, relay, and digital input ports
  • Native BACnet®/IP support[2]
  • EMerge Alliance® compatible
  • Installer setup via on-screen display, Crestron Toolbox™, or Internet Explorer®[4]
  • Backwards compatible to run existing SIMPL programs
  • Full Unicode (multi-language) support
  • Increased network throughput and security
  • Secure access through Active Directory integration or standalone account management
  • Hardware level security using 802.1x authentication
  • IIS v.6.0 Web Server
  • IPv6 ready
  • External power supply included
Control Engine
  3-Series®; real-time, preemptive multi-threaded/multitasking kernel; Transaction-Safe Extended FAT file system; supports up to 10 simultaneously running programs
  SDRAM 256 MB
  Flash 2 GB
  External Storage supports USB mass storage devices up to 1 TB
Wired Communications
  Ethernet 10/100 Mbps; auto-switching; auto-negotiating; auto-discovery; full/half duplex; industry-standard TCP/IP stack; UDP/IP; CIP; DHCP; SSL; IEEE 802.1X; SNMP; BACnet®/IP[2]; IPv4 or IPv6; Active Directory authentication; IIS v.6.0 Web Server; SMTP e-mail client, installer setup via Crestron Toolbox™ or MSIE[4]
  Cresnet® Cresnet master mode
  USB Supports USB HID and USB mass storage class devices via rear panel USB 2.0 host ports, supports computer console via front panel USB 2.0 device port
  RS-232 Supports 2-way device control and monitoring up to 115.2k baud with hardware and software handshaking
  IR/Serial Supports 1-way device control via infrared up to 1.2 MHz or serial TTL/RS-232 (0-5 Volts) up to 115.2k baud; supports CNXRMIRD IR Receiver[1]
Wireless Communications
  RF Transceiver infiNET EX® 2-way RF, 2.4 GHz ISM Channels 11-26 (2400 to 2483.5 MHz), default channel 15; IEEE 802.15.4 compliant
  Range (typical) 150 ft (46 m) indoor, 250 ft (76 m) outdoor to nearest mesh network device(s); subject to site-specific conditions and individual device capabilities[5]
  Device Support Maximum 100 infiNET EX devices (inclusive of up to 6 MTX-3 and/or MLX-3 remotes) and 5 infiNET EX expanders (model CLW-EXPEX or GLA-EXPEX)
Graphics Engine (OSD)
  Built-in customizable control pages, scrolling menus, and dynamic objects
Video (OSD)
  Output Signal Types Component (YPbPr), Composite
  Output Formats Progressive 480p or 576p, interlaced NTSC or PAL
  Output Resolutions, Component 720x480@30Hz (480i), 720x576@25Hz (576i), 720x480@60Hz (480p), 720x576@50Hz (576p)
  Output Resolutions, Composite 480i, 576i
  Functions Audio file playback, audio signal pass-thru w/mute during file playback
  Audio File Formats WAV (8 & 16 bit PCM, mono & stereo, 8 – 44.1 kHz sampling rates), MP3, WMA
  Input/Output Signal Types Analog stereo
  Analog-To-Digital/Digital-to-Analog Conversion 24-bit 48 kHz
  Performance (pass-thru) Frequency Response: 20Hz to 20kHz ±0.2dB;
S/N Ratio: >93dB, 20Hz to 20kHz A-weighted;
THD+N: <0.01%, 20Hz to 20kHz;
Stereo Separation: >91dB
  AUDIO IN, L – R (2) RCA female, unbalanced stereo line-level audio input;
Input Level: 2 Vrms maximum;
Input Impedance: 7k Ohms nominal
  AUDIO OUT, L – R (2) RCA female;
Unbalanced stereo line-level audio output;
Output Level: 2 Vrms maximum;
Output Impedance: 100 Ohms nominal
  VIDEO OUT, Y Pb Pr (3) RCA female, component (YPbPr) video output;
Output Level: 1 Vp-p nominal (Y), 0.7 Vp-p nominal (PbPr);
Output Impedance: 75 Ohms nominal
  VIDEO OUT, COMPOSITE (1) RCA female, composite video output;
Output Level: 1 Vp-p nominal;
Output Impedance: 75 Ohms nominal
  IR 1 – 5 (5) 3.5mm mini-phone jacks, IR/Serial output ports;
IR output up to 1.2 MHz;
1-way serial TTL/RS-232 (0-5 Volts) up to 115.2k baud
  IR IN (1) 3.5mm TRS mini-phone jack;
For connection of the CNXRMIRD IR receiver[1];
Allows IR wireless control from Crestron and third-party remotes using RC-5 IR commands
  COM 1 – 2 (2) DB9 male, bidirectional RS-232 ports;
Up to 115.2k baud; hardware and software handshaking support

(1) 8-wire RJ45 jack;
10Base-T/100Base-TX Ethernet port

  USB 1 – 2 (2) USB Type A female;
USB 2.0 ports for storage and mouse/keyboard devices
  G (1) 6-32 screw, chassis ground lug
  RELAY 1 – 2 (1) 4-pin 3.5mm detachable terminal block comprising (2) normally open, isolated relays;
Rated 1 Amp, 30 Volts AC/DC;
MOV arc suppression across contacts
  INPUT 1 – 2 (1) 3-pin 3.5mm detachable terminal block comprising (2) programmable digital inputs (referenced to GND);
Input Voltage Range: 0-24 Volts DC;
Logic Threshold: ≥1.2 Volts DC active/high, ≤0.46 Volt DC inactive/low;
Input Impedance: 2.2k Ohms pulled up to 5 Volts
  NET (1) 4-pin 3.5mm detachable terminal block, Cresnet master port;
Outputs power to Cresnet devices if a power pack is connected to the 24VDC power input jack;
Receives Cresnet network power if no power pack is connected to the 24VDC power input jack;
See “Power Requirements” for additional specifications
  24VDC 2A (1) 2.1 x 5.5 mm DC power connector, 24 Volt DC power input;
PW-2420RU power supply included;
Passes through to NET port to power Cresnet devices;
See “Power Requirements” for additional specifications
  COMPUTER (front) (1) USB Type B female;
USB 2.0 computer console port;
For setup only
  Antenna (front) (1) Connection for supplied antenna
Controls & Indicators
  PWR (1) Green LED, indicates operating power supplied from power pack or Cresnet network
  NET (1) Amber LED, indicates communication with the Cresnet system
  HW-R (1) Recessed pushbutton for hardware reset
  SW-R (1) Recessed pushbutton for software reset
  ACQUIRE (1) Recessed pushbutton with red LED, used to set up connections with wireless devices
  ACTIVITY (1) Red LED, indicates wireless communications
  LAN (rear) (2) LEDs, green LED indicates Ethernet link status, amber LED indicates Ethernet activity
Power Requirements
  Power Pack 2.0 Amps @ 24 Volts DC;
100-240 Volts AC, 50/60 Hz power pack, model PW-2420RU included
  Available Cresnet Power 35 Watts (1.46 Amps @ 24 Volts DC) when using power pack
  Cresnet Power Usage 9 Watts (0.375 Amps @ 24 Volts DC) when using Cresnet network power
  Temperature 41° to 113°F (5° to 45°C)
  Humidity 10% to 90% RH (non-condensing)
  Heat Dissipation 31 BTU/Hr
  Chassis Aluminum w/polycarbonate label overlay
  Faceplate Plastic w/polycarbonate label overlay
  Mounting Freestanding (adhesive feet included)
  Height 2.30 in (59 mm);
2.25 in (58 mm) without feet
  Width 8.12 in (207 mm)
  Depth 6.74 in (171 mm) including antenna
  2.5 lb (1.2 kg)

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Prices and specifications subject to change without notice.