Sensaphone Door Switch IMS-4860 for IMS-1000 or IMS-4000 Uses a Magnetic Sensor Sensaphone Door Switch with Magnetic Reed Sensor Bridge enables your IMS-4000 system by Sensaphone to detect if any unauthorized entry or intrusion has occurred. Includes bridge and 10 foot RJ45 cable which may be mounted either on a wall or rest on the floor. The switch is mounted to doors or windows you wish to monitor. Note FGD sensors, accessories, etc. are not compatible with IMS-4000 systems by Sensaphone. The connection from the bridge to Host or Node can use existing network wiring infrastructure. For example, install switch in another room or on another floor. Connect the bridge to your structured wiring network via an RJ-45 jack. At the other end, connect a patch cable from your structured wiring patch panel directly to the Host or Node environmental input. Plastic housing. Normally open or normally closed dry contact. 14VDC. 2.1 x 1.3 x .6 inches. This item ships from a separate warehouse and may require extra time for delivery.