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ACU2000 Paging Alarm System

The ACU2000 Paging Alarm System is an alarm input monitoring device and remote control unit that monitors up to 12 optically isolated input lines and communicates the input line state change (alarm) to send a predefined message via ethernet to either a nominated server PC running the Alarm Central software, an i-Page Server, a third party monitoring or logging program or it can send an email. These alarm messages can then be sent to a pager, pagers or via email, SMS or other wireless messaging method to alert appropriate people or systems. It can also communicate with other ACU2000 units for remote control using their onboard relay outputs.

Primarily used as an paging alarm system it can also be used for remote alarm gathering and transmission to other network based systems using standard protocols. ACU2000 units can also be used to remotely control each other by, for example, the alarm input on one unit activating a relay on a remote unit over an ethernet LAN.

Remote alarm indications can activate a local or remote relay action or can initiate an email message or a short message to either a pager, SMS cellphone or other mobile communications device.

The ACU2000 Alarm Concentrator can be interfaced directly via RS232 to any of the other Selective Communications wireless data products such as Mobile Data Terminals and Paging Data Terminals.

Each ACU2000 provides 12 individually designated inputs and 4 individually addressable relays and can be daisy chained with additional ACU2000s via RS232 if ethernet ports are in short supply to create a highly flexible remote monitoring & control system capable of providing dozens of programmable inputs and outputs.

The ACU2000 may in some circumstances also be used as a serial to serial RS232 link over an ethernet network.

Diagrams

An example of the ACU2000 used in a multi-site local/wide area paging network.

Specifications

Alarm inputs

12 x optically isolated digital inputs
Control Outputs

4 x relays (3A)
Optional interface to RCM2000 32 Relay board

Communications

Ethernet via RJ45
RS232 via DB9

Interfaces

Ethernet UDP, TCP, SMTP (Email)
RS232
i-Page - Paging/SMS
Com Object (3rd party software interface)

Power 12VDC