Why Choose an Open Protocol Standard?
First, an owner needs to decide whether or not to purchase a control system that uses an open protocol. The entire controls industry is wrestling with the issue of interoperability. Using an open protocol makes it easier for control components manufactured by one company to interoperate with controls supplied with equipment or controls made by a different company. An open protocol simplifies integration with building systems such as fire alarm, security, access control, etc. The owner also needs to decide whether the open protocol should also be a protocol standard. An open protocol can be any protocol that a company or an individual chooses to publish. It does not have to be monitored by any entity and can be changed at any time. An open protocol standard is published by a governing body and adopted by a national or international standards body. Any changes to this protocol are typically published for public review and must be approved by the governing body. An open protocol that is a