AWID's KP-6840 Proximity Card and Keypad Reader is a switchplate-type reader combined with a 12-key numeric keypad, in a unit that fits on a single-gang box. Read range with cards is up to 8 inches. The keypad may be used for PIN entry, programming a controller, enrolling card codes, and general data entry.
The installer programs these items - (a) In the KP-6840, keypad output format, either 4- bit or 8-bit key-bursts, or 26-bit code transmission (like a reader with a 26-bit card). (b) In the KP-6840 if the keypad has 26-bit output, the facility code that the customer requests. (c) In the system's computer, the KP-6840's Operation Mode.
The card reader uses a re-present mode that requires that the user remove the card from the reader's field before the card can be read again. The card reader has both Wiegand and RS-232 outputs. The keypad has only Wiegand output. Code transmission from both interfaces is simultaneous. The card reader and keypad outputs share the same data wires.