Crestron 4-Series Control Processor for Crestron Home OS, 1RU Rack-Mount
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PRODUCT DESCRIPTION
Crestron 4-Series Control Processor for Crestron Home OS, 1RU Rack-Mount - Local Warranty
A rack-mountable 4-Series control processor with the embedded Crestron Home OS, designed exclusively as the core of larger Crestron Home systems, home theatres, multiroom video and MDU applications.
Key Features
- 4-Series multicore processor designed exclusively for Crestron Home OS
- 4 GB SDRAM and 8 GB flash
- Configured and controlled with the Crestron Home app
- Built-in IR, COM, Versiport I/O, relay, Cresnet and Gigabit Ethernet control ports
- Native BACnet/IP with up to 2000 objects, no licence required
- infiNET EX wireless device support via optional gateway
- Single-space 19-inch rack-mount; external 100–240 V power pack included
CP4-R Datasheet — Technical Specifications
General
| Product Name | 4-Series Control Processor for Crestron Home OS |
| Brand | Crestron |
| Part Numbers | CP4-R |
| Operating System | Crestron Home OS (upgradable from Crestron Pyng OS 2 via firmware) |
| Regulatory Model | M201903003 |
Memory
| SDRAM | 4 GB |
| Flash | 8 GB |
| Memory Card | SD and SDHC up to 32 GB (4 GB SDHC card included) |
| External Storage | USB mass storage up to 1 TB |
Communications
| Ethernet | 100/1000 Mbps; TCP/IP, UDP/IP, CIP, DHCP, SSL, TLS, SSH, SFTP; FIPS 140-2 compliant encryption; IEEE 802.1X; SNMP; IPv4 or IPv6; Active Directory authentication; HTTPS web server; SMTP email client |
| Cresnet | Cresnet server mode, for specific Crestron devices that work with Crestron Home |
| USB | Rear USB 2.0 host for mass storage; front USB 2.0 device port for computer console |
| RS-232/422/485 | All ports RS-232 up to 115.2k baud; one port also RS-422/485 with hardware handshaking |
| IR | 1-way IR up to 1.2 MHz |
| BACnet/IP | Up to 2000 BACnet objects, no licence required |
Connectors
| Relay Outputs | 8 normally open isolated relays, 1 A 30 VAC/VDC |
| Versiport I/O | 8 digital input/output or analog input ports |
| IR Outputs | 8 (4 IRP2 IR emitters included) |
| COM Ports | 1 x RS-232/422/485 (5-pin), 2 x RS-232 (3-pin) |
| LAN | 1 x RJ45 100/1000 Ethernet |
| Cresnet | 1 x NET 4-pin terminal block (Cresnet server port) |
| Storage | 1 x SD/SDHC card slot, 1 x USB Type A |
| Setup | Front USB Type B computer console port (6 ft / 1.8 m cable included) |
| Power Input | 24 VDC 2.1 x 5.5 mm; PW-2420RU power pack included |
Power
| Power Source | Included power pack (100–240 VAC in, 2.5 A @ 24 VDC out) or Cresnet power (connect only one) |
| Available Cresnet Power | 24 W (1 A @ 24 VDC) when powered by the included power pack |
| Power Consumption | 15 W (excluding connected Cresnet devices) |
| Heat Dissipation | 50 BTU/hr |
Environmental & Physical
| Operating Temperature | 5° to 45° C (41° to 113° F) |
| Humidity | 10% to 90% RH non-condensing |
| Chassis | Steel; extruded metal front panel, black finish |
| Mounting | Freestanding or 1U 19-inch rack-mount (adhesive feet and rack ears included) |
| Dimensions (H x W x D) | 44 x 439 x 167 mm (1.70 x 17.28 x 6.56 in); 483 mm wide with rack ears |
| Weight | 1.42 kg (3.12 lb) |
| Compliance | UL Listed for the US and Canada under UL/IEC 60950-1; CE compliant |
Compatibility & Software Support
| Operating System | Crestron Home OS; configuration and control through the Crestron Home app |
| Integration | Audio, video, lighting, motorised shades, thermostats, door locks, sensors and other equipment |
| Security Systems | Supported using optional COM port expanders CEN-IO-COM-102 or CEN-IO-COM-202 (sold separately) |
| Wireless Devices | infiNET EX devices supported by adding a CEN-GWEXER or CENI-GWEXER gateway (sold separately) |
| Building Systems | Native BACnet/IP, up to 2000 objects out of the box |
| Crestron Home Features | Multiple homes, favourites, custom access and room image customisation |
For the list of supported Crestron and third-party devices, see crestron.com/crestronhome.
Package Contents & Ordering Information
Models
| Configuration | Part number |
| Control processor for Crestron Home OS | CP4-R |
Optional: CEN-IO-COM-102 / CEN-IO-COM-202 COM port expanders, CEN-GWEXER or CENI-GWEXER infiNET EX gateway, additional IR emitters (sold separately).
Datasheet & Downloads
| Product page | Crestron CP4-R product page |
| Crestron Home | Crestron Home OS information and supported devices |
| Certificates | Crestron product certificates search |
Frequently Asked Questions — CP4-R
What is the CP4-R designed for?
It is designed exclusively to function as the core of a Crestron Home system, running the embedded Crestron Home OS, with enhanced processing power for larger home automation, home theatre, multiroom video and MDU applications.
How is the system configured?
The CP4-R communicates with the Crestron Home app for system configuration and control.
Does it support BACnet?
Yes. Up to 2000 BACnet objects are supported out of the box with no licence required.
Can I add wireless Crestron devices?
Yes. infiNET EX wireless devices are supported by adding a CEN-GWEXER or CENI-GWEXER wireless gateway, sold separately.
How does it differ from the CP4?
The CP4-R runs Crestron Home OS and has 4 GB SDRAM, while the CP4 is a programmable 4-Series processor with 2 GB SDRAM for custom-programmed residential and commercial systems.




