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B1292 ProTalk Expander

When additional alarm inputs are required for the ProTalk Plus, the B1292 is an economical choice. Housed in a
compact 3.4" x 5.5" metal case, the ProTalk Expander simply connects with a short communication cable. Up to 7 Expanders
can be daisy chained together, providing a total of 64 inputs and 32 outputs.
Highlights
- Provides 8 alarm inputs and 4 relay outputs
- LED indicators and removable terminal blocks allow for easy setup and quick installation
- Fully compatable with older ProTalk units
FeaturesSpecificationsDocumentation
Communication
- Coaxial cable connection between master unit and first expander
- Each additional expander connects in a daisy-chain manner
Alarm Inputs
- 8, optically isolated, 2 mA to operate. Ground closure causes voice and signaling transmissions
- Plug-in screw terminal blocks
Control Outputs
- 4 independent Form C outputs controlled by programmable DTMF codes
- On/Off or timed modes
- 1 A at 30 VDC each
- Plug-in screw terminal block
Adjustments
- Rotary DIP switch for setting the expander ID number
Power
- +11.5 VDC to +28 VDC , 50 mA idle, 200 mA maximum at +12 VDC
Environment
- -40°C to +60°C, 95% relative humidity, non-condensing
Physical