Main Features
The JR313-SC-AL Emergency Intercom is designed with a robust cold-rolled steel housing and offers an IP55-IP65 waterproof rating. It features 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 a single vandal-resistant metal button for emergency calls and includes 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 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 standard PABX systems and supports remote programming for network management. It features a programmable auto hang-up timer and supports scheduled dialing to ensure proper functionality. The device can control external devices remotely and is adaptable to different Analog PABX models for sequential calling. It is powered by the phone line and operates within a temperature range of -40˚C to 65˚C, with a storage temperature range of -40°C to 75°C. The mean time between failures (MTBF) exceeds 50,000 hours under normal conditions. The intercom operates on a voltage range of 24 VDC to 65 VDC and a current range of 20 mA DC to 100 mA DC. It supports a ringing voltage of 48 VAC to 90 VAC with a calling frequency of 21 to 54 Hz and a ringing volume of 80 dB (A) at 1 meter. The dialing method can be set to PD or DTMF mode, in accordance with ITU-T recommendation Q.23, and it offers enhanced protection to ITU-T K.21 levels. Programming can be done remotely via DTMF tones or the keypad.

Optional Accessories
Optional accessories include the JR-LP-02 LED Beacon Light and various button options, as well as the JR-HSA series broadcast horns.

Applications
The JR313-SC-AL can connect to PABX systems for calling outside lines through the PSTN or connect to a voice gateway to convert analog signals to SIP signals for use in SIP-based systems. It is suitable for use in metro stations, airports, business centers, highways, banks, hospitals, schools, and platforms.

Dimensions and Packaging
The unit size is 200x140x50 mm, with shipping dimensions of 340x235x165 mm. It is packaged with foam padding in a carton, with a gross weight of 2 kg and a net weight of 1.5 kg.