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Crestron PAC2

Professional Automation Control System

$ 3600 00
Free Expedite Delivery
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  • Features
  • Specifications
  • Product Wiki
  • Extended Warranty


The PAC2 is a professional dual bus control system designed to serve as the central processor for Crestron Green Light systems. Fast performance, rigorous construction, and extreme flexibility provide a truly powerful automation solution for today's most demanding residential and commercial environments.

What's included in the box

  • 2-Series engine | Dual-bus architecture
  • 4GB Compact Flash memory card slot
  • Built-in Cresnet distribution and hub/repeater
  • 10/100 Ethernet capable | SSL encryption
  • e-Control 2 and RoomView enabled
  • SNMP support | Built-in firewall, NAT and router
  • 8 Versiport I/O ports & 8 relay ports built-in
  • 2 Y-Bus / 1 Z-Bus control card expansion slots
  • Internal power supply | CAEN enclosure installation
  • Configurable via Crestron D3 Pro software


  • CPU :32-bit Freescale ColdFire Microprocessor
  • SDRAM :64 MB
  • NVRAM :256 KB
  • Flash :4 MB
  • Compact Flash :expandable up to 4 GB (not included)
Operating System :Real-time, preemptive multi-threaded/multitasking kernel; FAT32 file system with long names; supports SIMPL Windows and SIMPL+

  • With C2ENET-1 :10/100BaseT, auto-negotiating, full/half duplex, static IP or DHCP/DNS, SSL, TCP/IP, UDP/IP, CIP, SMTP, SNMP, built-in Web server and e-mail client; supports Crestron e-Control2 XPanel and RoomView applications
  • With C2ENET-2 :All above features plus: built-in firewall, router, and network address translator (NAT)
Y-Bus Connectors & Expansion Slots
40 Mb/s parallel communications;
Internal backplane for integrated control ports and Y-Bus expansion slots
I/O 1 - 8
  • (1) 9-pin 3.5mm detachable terminal block comprising (8) "Versiports" – digital input/output or analog input ports;
  • Digital Input: Rated for 0-24 Volts DC; input impedance 20k ohms; logic threshold 1.24 Volts DC;
  • Digital Output: 250 mA sink from maximum 24 Volts DC; catch diodes for use with “real world” loads;
  • Analog Input: Rated for 0-10 Volts DC, protected to 24 Volts DC maximum; input impedance 20k ohms;
  • Programmable 5 Volts, 2k ohms pull-up resistor per pin;
  • All ports referenced to ground
  • (2) 8-pin 3.5mm detachable terminal blocks comprising (8) normally open, isolated relays;
  • Rated 1 Amp, 30 Volts AC/DC;
  • MOV arc suppression across contacts
S1, S2
  • (2) Y-Bus expansion slots;
  • Accept all Y-Bus control cards
Z-Bus Expansion Slots
300 Mb/s parallel communications;
Backplane for Z-Bus expansion slots

  • (1) Z-Bus expansion slot;
  • Accepts all Z-Bus control cards
Additional Connectors
  • (2) 5-pin 0.156 inch headers;
  • Module interconnect ports, connect to CLX-Series lighting control modules using interconnect cables provided
Cresnet Hub/Repeater
  • Cresnet data and power distribution:
  • NET A – H: (32) 4-pin 3.5mm detachable terminal blocks comprising (4) Cresnet ports (paralleled) per each of (8) segments

  • POWER 1 – 4: (4) 3-pin 3.5mm detachable terminal blocks comprising (1) Cresnet power selection connector per each of (4) power groups;
  • Connect to external Cresnet power supply, or to internal power supply via jumpers, to power Cresnet devices connected to the NET ports;
  • Maximum Load per Power Group using external supply: 75 Watts (3.125 Amps @ 24 Volts DC);
  • Maximum Total Load using internal supply: 50 Watts (2 Amps @ 24 Volts DC)

  • (1) 3-pin 3.5mm detachable terminal block comprising (2) inputs from external contact closures to trigger the preset Override state in CLX-Series modules connected to the module interconnect ports;Maximum Input: 10mA at 5 Volts
  • (1) 4-pin 3.5mm detachable terminal block
  • Backup Cresnet port;
  • Connects to the NET port of a backup control system and power supply
  • (1) 2-pin 3.5mm detachable terminal block;
  • Contact closure output;
  • Relay closed when PAC2 becomes inactive;
  • Connects to digital input of backup control system
  • (1) 4-pin 5mm detachable terminal block;
  • Cresnet port, Master/Slave selectable;
  • Expandable via C2N-NPA8 Network Poll Accelerator
  • (2) DB9 female;
  • RS-232 computer console port
Line Power
  • (1) Attached input power cable (~1 ft long) with inline IEC320 socket;
  • Connects to AC power source using grounded pigtail cable and DIN rail terminal block (both included)
Reset Buttons
  • HW-R :Hardware reset (reboots the control system)
  • SW-R :Software reset (restarts the SIMPL program)
LED Indicators
  • NET A – H :(yellow x8) Indicate Cresnet communications on each respective segment
  • POWER 1 – 4 :(green x4) Indicate 24 Volts DC power present at each respective power group
  • PWR :(green) Indicates power supplied to unit via AC line or BACKUP NET INPUT
  • NET :(yellow) Indicates Cresnet bus activity
  • MSG :(red) Indicates control system has generated an error message
  • LNK A :(red) Indicates a valid connection on LAN port A
  • ACT A :(red) Indicates activity on LAN port A
  • LNK B :(red) Indicates a valid connection on LAN port B
  • ACT B :(red) Indicates activity on LAN port B
  • FAULT :(red) Indicates PAC2 has become inactive, FAULT output is active (relay closed)
Power Requirements
  • Main Power Consumption  :2.4 Amps, 100-250 Volts AC, 50/60 Hz
  • Available Cresnet Power :50 Watts (shared with control card expansion slots)
  • Temperature :41° to 113°F (5° to 45°C)
  • Humidity :10% to 90% RH (non-condensing)
Black and gray metal, surface mount box with (2) integral mounting flanges;
Occupies 1 module space in a single-width CAEN or CAENIB enclosure, or 2 side-by-side module spaces in a double-width enclosure

  • Height :8.00 in (20.32 cm)
  • Width :14.00 in (35.56 cm)
  • Depth :3.75 in (9.52 cm)

Product Wiki

Extended Warranty



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