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Home / Pager / Serial Data Interface

Serial Data Interface

$672.00 Exclude GST

The SDA and SDT work as a pair. The SDA will take any serial data from a device such as a Challenger panel, decode where applicable and transmit to multiple SDT devices in the field. The SDT will transmit the network data to a visual indication at a fixed point. The SDT has an onboard audible sounder as well as the serial annunciation output port. The SDA has an auto polling feature that will find SDT devices on startup initialization.
The SDA then supervises all SDT’s using a polling and acknowledgment system. If an SDT happens to go off-line then a warning message is displayed on all displays. Also, the SDA alarm relay will activate which should be connected to one of the alarm inputs of the Challenger system. The built in 10K end of line resistors makes it very easy to connect to a Challenger input.
This system can be used to enhance any serial device that uses printer protocols to provide audible and visual
indication which is located away from the head end.

Category: Pager Tags: micro controllers, Pager, power supply, terminals
  • Description

Description

FEATURES
Challenger End or Serial Output End (SDA)

High level interface from either Computer or TCP/IP add-on cards with serial printer port
3 separate stacks for 3 different priority signals
40 message capacity per stack
Prioritizes messages and displays accordingly
Sets a time stamp from the Challenger upon initialization
Communications and System failure indicators
Message buffer overflow indication on display
Displays only selective data depending on STAR
CHARACTERS programmed in the Challenger printer string
Standard Communication speed: 9600 baud
Standard mounting holes to suit Challenger enclosures

Display End (SDT)

Displays data transmitted from the Challenger serial port
Keeps track of how long a message is being displayed and generates an audio alarm at the display end if message is not cleared within a specific time
No external power supply required (Uses LAN power) unless very long cable run is used
Extern power supply facility if needed
16 possible address expandable to 32
Can handle up to 120 messages at a time
Mounted in elegant HPM wall plate
Data back up if there is system failure( as long as there is power)

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