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

Communications
Ethernet       100/1000 Mbps, auto-switching, auto-negotiating, auto-discovery, full/half duplex, TCP/IP stack, UDP/IP, CIP, DHCP, SSL, TLS, SSH, SFTP, FIPS 140-2 encryption, IEEE 802.1xX, SNMP, BACnet™, IPv4/IPv6, Active Directory®, HTTPS server & browser, XiO Cloud®, SMTP client
Cresnet® Network       Cresnet master mode
USB       Supports USB mass storage via rear USB 2.0 port, computer console via front USB 2.0 port
RS-232/422/485       2-way control; RS-232 up to 115.2k baud; supports RS-422/485 and handshaking
IR/Serial       1-way IR up to 1.2 MHz or serial TTL/RS-232 up to 115.2k baud

Memory
SDRAM       2 GB
Flash       8 GB
Memory Card       SD/SDHC up to 32 GB
External Storage       USB storage up to 1 TB

Connectors and Card Slots
RELAY OUTPUT 1–8       (2) 8-pin terminal blocks; (8) relays; 1 A, 30 VAC/VDC; MOV protection
I/O 1–8       (1) 9-pin terminal block; digital I/O or analog input; 0–24 VDC input; 0–10 VDC analog
IR - SERIAL OUTPUT 1–8       (2) 8-pin terminal blocks; IR up to 1.2 MHz; serial up to 115.2k baud
COM 1       (1) 5-pin; RS-232/422/485; up to 115.2k baud
COM 2–3       (2) 3-pin; RS-232; up to 115.2k baud
MEMORY       SD/SDHC slot up to 32 GB
USB       USB Type-A, USB 2.0
LAN       RJ45 Ethernet port (100/1000Base-TX)
NET       Cresnet master port (power + data)
24VDC 2.0A       DC power input (PW-2420RU included)
G       Chassis ground
COMPUTER (front)       USB Type-B console port

Controls and Indicators
PWR       Green LED (power)
NET       Amber LED (Cresnet communication)
MSG       Red LED (error)
HW-R       Hardware reset button
SW-R       Software reset button
LAN (rear)       LED indicators for link, speed, and activity

Power
Power Source Options       Power pack or Cresnet
Power Pack (included)       100–240 VAC input; 24 VDC output
Cresnet Power Usage       15 W
Available Cresnet Power       24 W
Power Consumption       15 W

Environmental
Temperature       41 to 113 °F (5 to 45 °C)
Humidity       10% to 90% RH
Heat Dissipation       50 BTU/hr

Enclosure
Chassis       Metal, aluminum, black finish
Faceplate       Extruded metal with polycarbonate overlay
Mounting       Freestanding or rack-mountable (1 RU)

Dimensions
Height       1.70 in. (44 mm)
Width       17.28 in. (439 mm); 19.00 in. with rack ears
Depth       6.56 in. (167 mm)
Weight       3.12 lb (1.42 kg)