Viking E-20A-BASE Standard Elevator and Emergency Phones (Discontinued)

Standard weather-resistant, phone line powered emergency handsfree speakerphone without dial to help eliminate long distance fraud or abuse. Handsfree, seizes the phone line when the button is pressed then disconnects in 2 to 3 minutes. Will answer an incoming call. 4" by 5.25" surface mount box. Applications: Elevator Parking Ramp Campus Door Entry Uses: Use on analog loop-start C.O., CENTREX or PABX lines with Viking's K-1900-4, or K-1900-5 Single Number Dialers Use on analog PABX extensions programmed to automatically ring to security Use with Viking's DLE-200B Ringdown Circuit Enhanced Weather Protection Option: Includes weather-sealed trim pots and DIP switches, a special rubber microphone boot and a mylar speaker with a rubber gasket acting as a primary shield against water penetration. If required, face plate gaskets are provided to further eliminate water infiltration. All connections are hand soldered to eliminate corrosion, and the connections at the push button switch, microphone, and "Call Connected" LED are also hand sealed using a special non-corrosive electronics grade flexible silicone sealant. The entire circuit board is "potted" in a flexible urethane encapsulating material, leaving the weather sealed field-adjustable trim pots and DIP switches accessible for on-site programming. The flexible urethane sealant allows the circuit board and its components to expand and contract, while maintaining weather resistance. To protect the tip and ring connections, special connectors filled with anti-corrosive sealing gel are included. As low as $165.97

source https://www.vikingtelecomsolutions.com/viking-e-20a-base-standard-elevator-and-emergency-phones.html