Title: Hardware Installation Guide.pdf
A number of products provide RS-232C interface for communication. This interface is intended for short distance communication because its high impedance is more susceptible to noise. Cable length is generally limited to 50 feet (15.24 m.) If required, this distance may be extended to a few hundred feet by using low capacitance shielded cables.revision 6 — 23Hardware Installation Guidelines2System Wiring and Other ConsiderationsProper installation is essential to the safe and reliable operation of the OnGuard system. Improper or incorrect wiring will lead to unreliable operation or damage to system components. When system components are powered by different power sources, great care must be exercised in planning and wiring the system. The following paragraphs provide some guidelines for successful system interconnection.2.1General Wiring Considerations