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Crestron PAC2 

 

Professional Automation Computer

The Professional Automation Computer (PAC2) is the control system that is the 
heart of the Crestron



 Lighting Control System. It provides information from the 

controls located in the living environment to the control modules located in the 
Crestron Automation Enclosure. The PAC2 enables customers to more efficiently 
control not only the lighting in their home, but also other systems such as HVAC.  

•  Powered by 2-Series Control Engine 

•  36 MB of Internal Memory* 

•  Expansion Slot for Type II Compact Flash and IBM Microdrive

®

 Hard 

Disk Drive (Up to 4 GB) 

•  8 Isolated Relay Ports 

•  8 I/O Versiports 

•  Built-in 8-Segment Cresnet Hub 
•  Supports SIMPL Windows & SIMPL+



 

•  1 Z-Bus Expansion Slot – Ethernet Cards 

•  2 Y-Bus Expansion Slots – Crestron Expansion Cards 
•  Cresnet backup capability (including power) 

* For more information on internal memory usage, refer to “On-Board Memory” on page 10. 

The breakthrough 2-Series control engine is based on the new 257 MIPS, 32-bit 
Motorola ColdFire



 processor. The on-board 36MB memory is enhanced with a 

4GB expansion slot that supports off-the-shelf Type II compact flash memory and 
the IBM Microdrive



 hard disk drive, for on-board storage of program and 

touchpanel files, room and equipment profiles, upgrades, databases, and schedules.  

Crestron's unique dual bus system, with its high-speed I/O bus architecture, provides 
blazing fast throughput, system wide. The two 40Mb/s Y-BUS expansion slots offer 
the option of installing any of the CNX-series cards listed in Crestron’s 2003 Product 
Catalog, and all C2-series control cards. The 300Mb/s Z-BUS expansion slot is 
designed for super high-speed control card applications such as 10/100 Ethernet, 

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