Alliance System Ordering Guide - Interlogix

Data Bus ModulesAL-1330 Communications Distribution ModuleThe AL-1330 provides communications through a single protectedinput port and five parallel output ports. It is used to provide starconfiguration on the data bus.1AL-1740 Isolator-RepeaterThe AL-1740 provides electrical isolation between multiple buildings.It may also be used to extend the data bus up to 5,000 feet per module(four modules maximum).1AL-1741 RS485 to RS232 InterfaceConverts the RS485 data bus into a standard RS232 bus, orextends the Alliance System data bus through a leased line.2AL-1742 Closed-Loop InterfaceThe AL-1742 closed-loop module converts a Class B data bus to aClass A loop. If a break occurs in the loop at any point, communicationcontinues in the opposite direction to ensure a continuous operation.3AL-1743 Fiber Optic InterfaceConverts the Alliance System bus to fiber optics. It allows either multidroppedconnection when using a single optical fiber or point-to-pointconnection when using two optical fibers.1Size 1, Size, 2, and Size 3 Cards:1 23The Alliance modular ancillary cards give mix-and-match choices for designing the layout of yourAlliance System. The cards are available in three standard sizes. The Alliance Systemenclosures have been custom-engineered to house many combinations and quantities of thesecards.Page 8www.GE-Interlogix.com/Alliance