RMC4

Control Engine
Crestron® 4-Series™; real-time, preemptive multi-threaded/multitasking kernel; Transaction-Safe Extended FAT file system; supports up to 10 simultaneously running programs (license required¹)
Communications
Ethernet	100 Mbps, auto‑switching, auto‑negotiating, auto‑discovery, full/half duplex, industry-standard TCP/IP stack, UDP/IP, CIP, DHCP, SSL, TLS, SSH, SFTP (SSH File Transfer Protocol), FIPS 140-2 compliant encryption, IEEE 802.1xX, SNMP, BACnet and IP³, IPv4 or IPv6, Active Directory® service authentication, HTTPS web server, HTTPS web browser setup and XiO Cloud® client, SMTP email client
Cresnet	Cresnet master mode
USB	Supports computer console and USB mass storage class devices via the front panel USB OTG (On‑the‑Go) device port
RS-232/422/485	For 2-way device control and monitoring, supports RS-232, RS-422, or RS-485 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 V) up to 115.2k baud
Memory
SDRAM	1 GB
Flash	8 GB
External Storage	Supports USB mass storage devices up to 1 TB
Connectors
USB-OTG	(1) USB Type Micro-AB female; USB OTG port for computer console and USB mass storage devices
LAN PoE	(1) 8-pin RJ-45 connector, female; 100BASE-T Ethernet port; PoE (Power over Ethernet) PD (Powered Device) port
NET	(1) 3-pin 3.5 mm detachable terminal block; Cresnet master port; Provides data only (no power)²
DIGITAL IN 1–2	(1) 3-pin 3.5 mm detachable terminal block; Comprises (2) digital inputs (referenced to GND); Voltage Range: Rated for 0–24 VDC; Input Impedance: 2.2k Ω pulled up to 5 V; Logic Threshold: >2.0 V low/0 and <1.1 V high/1
RELAY 1–2	(1) 4-pin 3.5 mm detachable terminal block; Comprises (2) normally open, isolated relays; Rated 1 A, 30 VAC/VDC; MOV arc suppression across contacts
IR 1–2	(1) 4-pin 3.5 mm detachable terminal block; Comprises (2) IR output ports; IR output up to 1.2 MHz; 1-way serial TTL/RS-232 (0–5 V) up to 115.2k baud; IRP2 IR emitters sold separately
COM	(1) 5-pin 3.5 mm detachable terminal block; Bidirectional RS‑232/422/485 port; Up to 115.2k baud; Hardware and software handshaking support
G	(1) 6-32 screw; Chassis ground lug
Controls and Indicators
PWR	(1) Bicolor green/amber LED, indicates operating power is present; Amber indicates that the device is booting and is not yet ready to operate; Green indicates that the device is ready to operate
NET	(1) Amber LED, indicates communication with Cresnet devices
MSG	(1) Red LED, indicates processor has generated an error message
HW-R	(1) Recessed push button, initiates hardware reset
SW-R	(1) Recessed push button, initiates software reset
LAN PoE	(1) Green and (1) Amber LEDs; Green LED indicates Ethernet link status and connection speed; Amber LED indicates Ethernet activity
Power
Power over Ethernet	IEEE 802.3at Type 1 (802.3af compatible) Class 0 (12.95 W) PoE Powered Device
Power Consumption	6.5 W
NOTE: The RMC4 does not use or supply any Cresnet power.
Environmental
Temperature	32 to 104 °F (0 to 40 °C)
Humidity	10% to 90% RH (noncondensing)
Heat Dissipation	22 BTU/hr
Construction
Enclosure	IFE micro form factor, black and blue plastic
Mounting	Freestanding, stackable, surface mount, or 35 mm DIN EN 60715 rail mount; Occupies 8 DIN module spaces (144 mm); Surface/DIN rail mounting bracket included, optional rack mount and pole mount kits sold separately
Dimensions
Height	1.35 in (35 mm); 1.77 in (45 mm) with bracket
Width	5.04 in (128 mm); 5.36 in (137 mm) with bracket
Depth	2.86 in (73 mm)
Weight
6.4 oz (180 g)
Compliance
Regulatory Model: RMC4; UL® Listed for US & Canada, CE, IC, FCC Part 15 Class B digital device