VS-OPTCJ | BACNET MSTP COMM CARD; BACNET MSTP (FIELD BUS) RS-485 COMM CARD | JOHNSON CONTROLS|EATON ??NEW?? MS/TP BACnet Communications Card For Use With VSD Series II Variable Speed Drives Item Number: VS-OPTCJ Brand: Johnson Controls/Eaton Category: Variable Speed Drives Motor Controls The OPTCJ is a plug-in board that is compatible with any open or enclosed drive product that uses an SVX or SPX processor module(including the HVX9000 or CPX9000 family). The OPTCJ adapter can be used in slots D or E of the processor module. BACnet is an acronym for ?Building Automation and Control Network?. BACnet is a true nonproprietary communication protocol conceived by a consortium of building management and system users. BACnet has been adopted by ASHRAE (American Society of Heating Refrigeration and Air-conditioning Engineers) as its standard network protocol, and is rapidly gaining international acceptance. BACnet is used in building automation, lightning control, air-conditioning and in heating automation. The protocol is suitable for enterprise wide communication in large building automation projects. The OPTCJ BACnet adapter is an MS/TP (Master-Slave/Token-Passing) device that supports RS-485 physical layer We take our reputation seriously, we buy and sell online, so we understand the value of trust! If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction! Thanks for looking at our listing and supporting our small family business! SHELF: A