Main Features
The JR316-4B-SIP Emergency Intercom is designed with a robust cold-rolled steel housing and offers an IP55-IP65 waterproof rating. It includes advanced noise reduction technology for high-definition calls, corrosion-resistant hardware, and complies with CE, FCC, RoHS, IK10, IP65, and ISO9001 standards. The device supports hands-free operation with four resettable dialing buttons and features an LED light that blinks during incoming calls. It is equipped with a noise-cancelling microphone and a built-in 2W speaker. The intercom is available in red, with other colors available upon request, and is designed for wall mounting with an M16 cable gland on the bottom shell. It is ideal for use in various environments such as parking lots, elevators, hotels, doorways, railway platforms, hospitals, police stations, ATMs, stadiums, and outdoor buildings.

Technical Specifications
The intercom is compatible with most SIP-based IP-PBX servers that comply with SIP RFC 3261 and is PoE 802.3af enabled. It supports automatic switching between primary and backup servers, remote Telnet debugging, and two relays for remote control of external devices. The operating temperature ranges from -40˚C to 65˚C, with a storage temperature of -40°C to 75°C. The device has a mean time between failures (M.T.B.F.) exceeding 50,000 hours under normal conditions. It offers network web management, static IP address provisioning, DHCP support, and product self-diagnostic testing via a web interface. The intercom supports various data protocols and is powered by PoE or a 12V DC power source.

Application
The JR316-4B-SIP is part of an IP telephony system that provides efficient and convenient communication solutions using internet connections for voice calls and other services. It offers higher efficiency and convenience compared to traditional telephone systems.

Optional Accessories
Optional accessories include the JR-LP-02 LED Beacon Light, PoE Switch, Cat5e cables, SIP Server, Computer Master station, and JR-HSA-10/20/25/30/35 Broadcast Horn.

Application Scenarios
The intercom is suitable for use in metro stations, airports, business centers, banks, hospitals, schools, platforms, and industrial environments.

Dimensions and Packaging
The unit size is 400x200x130 mm, with shipping dimensions of 340x235x165 mm. It is packaged with foam padding in a carton, with a gross weight of 15 kg and a net weight of 13 kg.

Contact Information
For more information, contact via phone at +86 - 755 - 27322952, visit the website at www.jrteck.com, or email [email protected]. The address is 6/F, A1, Xingyi industrial city, Baishixia Est., Fuyong, Bao'an, Shenzhen, China.