IEI Linear Corp IEI Linear Corp IEI 212i Style Flush Mount Indoor Keypad (0-211111) Additional Information Downloads 1. iEi 212i Installation Instructions (pdf) 2. iEi 212i User Guide (pdf) Manufacturer iEi Electronics / Linear Model 212i - 0-211111 Dimensions 2.75" W x 4.50" H x 1.3 " D Memory Non-volatile EEPROM memory means your codes and instructions will be there whether you remove power for 5 minutes or 5 years. Main Relay The main relay is a form C relay, which you can program as a timed output (1 to 90 seconds) or to toggle (latch). See the Wiring Diagram and Specifications for the relay electrical specifications. Remote Triggering Input By default, upon a momentary closure this normally open loop triggers the main relay for the same time period as the Master Code. You can also program the REX to operate any combination of the available outputs. The auxiliary outputs activate for their programmed time. Programming All programming is done entirely from the front of the keypad. LED or sounder guidance makes programming easy. It takes seconds for an authorized user to change codes. Number of Users Up to 120 Voltage Input 12 or 24 VAC/VDC Warranty 3 Year Warranty Weight 1.0000 212i - 0-211111 Keyless Access