Hardware Installation Guide
revision 88 — 291
55. Lenel Keypads
These keypads are available in two styles: 3 x 4 keypads (part number LNL834S121NN) and 2 x 6 keypads
(part number LNL826S121NN).
55.1. LNL826S121NN 8-bit Output Keypad Reader
The reader requires a 12-28 VDC power source and has a current draw of 30 mA. Therefore, the reader can
be powered directly from either of the reader interface modules.
The wiring diagrams describe wiring if the keypad is being connected in line with another BEST supported
reader and the LED support for the keypad is being used. The keypad features a 2-Wire LED configuration.
If the LED support for this keypad is not being used, omit the connections for those two wires. The reader is
using a standard 8-bit output format.
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