LiftMaster EL25 EL25 Installation Ver. 3.0 Manual - Page 21
Wiring a Postal Lock Switch - EL25 Models Only, Wiring an Internal Camera [CCTV]
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Wiring a Postal Lock Switch / Internal Camera (CCTV) Wiring a Postal Lock Switch - EL25 Models Only The Post Office requires installation of a postal lock if postal carriers do not have access to a controlled area. Contact the local post office and arrange for them to install the postal lock while you are on site. The postal lock requires a switch to activate one of the four relays (Configurable with programming number 69 , in the Keypad Programming Manual). J7 J6 POSTAL J3 In N.C. Common Use 18-24 AWG AUTO J5 J2 Switch J1 POWER 12VAC/DC J4 IO Input Board Input Board (See page 6) DO NOT overload the removable terminal block connectors. One wire per hole. NOTE: In the EL2000 models, the postal lock switch is pre-wired. Wiring an Internal Camera [CCTV] An Optional CCTV (Close Circuit Television) camera can be installed inside the unit. Refer to instructions supplied with the camera kit for more information. Home Entertainment System A Closed Circuit Monitor Contact your dealer/ installer for more information OR RG-59u Coaxial Cable 1000 Feet Maximum (Monitor with a .25 volt p-p composite signal sensitivity) EL25 EL2000 Page 19