If you cannot ground the power supply, then you must ground the keypad housing. Iei Iei Door-Gard Weather-Resistant Keypad System Grade-2 Door Knob Is Suitable For Storeroom Or Vestibule Applications Removable face plate for. Wire the transorb in parallel with the lock power terminals.Īlso, to avoid ESD (electro-static discharge) from interfering with the operation of the keypad, ground the negative terminal of the keypad to earth ground. To prevent electrical kick back voltage from damaging the keypad, when using an electrical locking device, you MUST install the transorb as close as possible to the lock. 3.1 IEI Tamper Power Supplies IEI access system power supplies are designed specifically for access control applications. Also, the voltage selection jumper on the main circuit board is no longer required. Standalone Keypad Installation / Programming Manual This equipment is designed to be installed and serviced by security and lock industry professionals. IEI 212i Indoor Flush Mount Keypad Documentation 212i Keypad Wiring Diagram and Specifications 212i Features and Programming Guide IEI 212iLW & 242iLW. IEI 232e Standalone Installation/Programming Manual 4. IEI Linear Corp IEI 212i Style Flush Mount Indoor Keypad (0-211111) 212i - 0-211111. It is also possible to control the red and green chip LED’s externally, with an alarm panel for example, by using connector J1. This item: IEI International Electronics 212W Membrane Keypad. The LED’s changed to surface mount chip LED’s mounted on bottom of the circuit board which eliminates the need for the wire harnesses. This product was re-designed using a new manufacturing technology, which changed the physical appearance of the keypad electronics.
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