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This review is from: AIPHONE RY3DL AIPHONE MULTIPLE DOOR RELEASE
Pros: Compatible with Aiphone's JF-2MED, JM-4MED, KB-3MRD and older MY-2MCD systems. Most of these systems have one internal relay for door release, if you have a need for multiple doors, then you will need this adapter.
Cons: Wiring is the only hard part, just needs a 6 conductor from the 3DL (often hidden in a closet or basement).
Other Thoughts: When metering the screw tips for continuity, dont meter the tips, meter the terminal pads as the tips of the screws are not conductive.READ FULL REVIEW
This review is from: New Aiphone PS-18c DC Power Supply for Intercom 18V 2.0 A
Pros: 18 Volts DC, 2 Amp. The wall outlet cord is detachable, if you need to use it in another country, it will handle up to 220v AC, all you do is buy the appropriate wall cord, the rest is an 18 AWG 2 conductor wire.
Other Thoughts: Comes with its own wall mounting bracket.READ FULL REVIEW
This review is from: Aiphone Ry-Es External Signaling Relay, Ja, Jr, Jk, Kb, Kc, Ax, Nem, Db
Pros: If hearing the normal chime tone out of the IER-2 wasnt loud enough for you and you need a large bell going off in a warehouse or backyard, then this is what you need.
Normally Open Dry Contact Relay with a rating of 30 volt 1 amp.
Cons: The device you plan on triggering, will needs its own power supply, which if it doesn't exceed 30 volt 1 amp, wont damage the relay.
Other Thoughts: This device simply provides a N/O dry contact closure when it hears the call tone or chime out of the master. Your master needs a pair of terminals labeled S/S in order for this to work. Almost all video systems made by Aiphone are compatible with this external signaling relay.
This is ideal for triggering existing house doorbell systems, loud bells in a warehouse, or even a strobe light for the hearing impaired.