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  Alpha Communications AY-MLS32L Signal Input Board
Alpha Communications AY-MLS32L Signal Input Board


Our Price : $281.82

Product Code: AY-MLS32L


Each MLS-32L signal input board can accommodate 32 inputs. Therefore, more than one MLS-32L board is required if more than 32 inputs are being monitored, up to eight MLS-32L boards can be used. The system can be expanded at any time by simply adding additional MLS-32L boards. Each MLS-32L board is programmed with an "address" (1-8) which identifies it from the other MLS-32L boards. Programming is accomplished by placing a programming jumper over stake-pin pair 1-8 on the MLS-32L board. Later, each input will be programmed with its own description and room number. Therefore, the contractor terminating annunciator wires should record on the sheets that follow the room number that corresponds to each MLS-32L input number. Terminals 1-32 on the MLS-32L board addressed as #1 are programming inputs 1-32, respectively. Terminals 1-32 on the MLS- 32L board addressed as #2 are programming inputs 33-64, respectively. Room wiring is connected to pluggable terminal blocks on the MLS-32L boards, refer to drawing C030497-1. MLS-32L boards are plugged into the MLS-32L sockets of the MLS-SPU1 board, refer to drawings C022397-4 and C030297-1. Any MLS-32L board number (address) may be plugged into any of the eight sockets on the MLS-SPU1, the order does not matter. MLS-32L boards are held securely in place by placing #6-32 (1/4") mounting screws through the "L" brackets of the MLS-32L and into the MLS-32L mounting stand-off nuts located in the MLS-EC1 enclosure.
  • Signal Input Board
  • 32 Input
  • Used with MLS-SPU1 Interface 1-8 required per system plugs into MLS-EC1 enclosure

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