The TeleSwitchHP is a versatile, purpose-built, high power radio initially designed for use in the railroad industry. The radio transceiver (VHF or UHF band) includes built-in, dual DTMF decoder controlled relays. It can be used as the radio transceiver in a railroad wayside defect detection announcement system. The added remote-controlled relay feature allows the locomotive engineer to initiate "on-demand" the re-broadcast of a recent defect detector announcement message. This feature also allows DTMF remote control of a wide variety of other devices.
The TeleSwitchHP (High-Power) is a 30W (adj. down to 5W), PC programmable transceiver with the added functionality of two built-in DTMF decoder-controlled 1A dry-contact relays. Each relay can be independently controlled by a unique DTMF command consisting of up to 12 characters. Each relay can be programmed to respond as follows: close relay, open relay, or perform a momentary closure. An "Acknowledgment Tone" provides an audible tone whenever a command is correctly decoded by the TeleSwitchHP. The dual-color (red/green) LED indicator will light to indicate that the unit is transmitting or receiving.
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