Description :

The DR-4 is a 4-line Digital Receiver designed to interpret specified DTMF communication formats. All information received is displayed on a 40-character LCD screen, and can be sent to a parallel printer and through RS-232 serial port to a computer. The built-in real time clock stamps all incoming information with time and date. Up to 256 events can be stored in the non-volatile memory, no information is lost or deleted when AC power fails. The log of events can be examined on the LCD display or printed. With a microphone & earphone, the operator also can listen to or talk with the caller immediately through DR-4 when an alarm call comes in.

Specification :

1. Handles 4 phone lines. 2. 40-character backlit LCD display, easy to read. 3. Non-volatile memory for programmable configuration and 256-event storage. 4. Real time clock. 5. Sound warning for each event. 6. 1 parallel printer port. 7. 1 serial RS-232 port. 8. 2-way audio. 9. 100 -- 250VAC, 50 or 60HZ power.

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