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J&R Technology Ltd
JR305-SC-AL Specification

JR305-SC-AL Specification

Product catalog summary

Main Features
The JR305-SC is a robust industrial telephone designed for durability and vandal resistance, housed in a corrosion-proof SMC enclosure. It is ideal for various environments such as parking lots, elevators, and outdoor areas. Key features include hands-free operation, a noise-cancelling microphone, a built-in 2W speaker, and an LED light for incoming calls. The phone is wall-mounted with a back cable entrance to prevent damage.

Specifications
The JR305-SC-AL model features a 304 stainless steel panel and meets IP55-IP65 waterproof ratings. It includes advanced noise reduction for HD calls and is compliant with CE, FCC, RoHS, IK10, IP65, and ISO9001 standards. The phone operates on a power supply drawn from the telephone line, with an operating voltage of 24 VDC to 65 VDC and a current range of 20 mA DC to 100 mA DC. It supports both PD and DTMF dialing methods and offers lightning protection to ITU-T K.21 levels.

Technical Specifications
The phone is compatible with standard PABX systems and supports remote programming via DTMF tones. It includes a programmable auto hang-up timer and supports scheduled dialing for system checks. The phone is powered by the phone line and operates in temperatures from -40˚C to 65˚C.

Applications
The JR305-SC-AL can connect to PABX systems for external calls or to a voice gateway for SIP-based systems. It is suitable for use in metro stations, airports, hospitals, banks, and schools.

Dimensions and Packaging
The unit measures 230x160x80 mm, with shipping dimensions of 340x235x165 mm. It is packaged with foam padding in a carton, with a gross weight of 3 kg and a net weight of 2.5 kg.

Catalog excerpts

Emergency Intercom • SMC (Sheet molding compound) housing, 304 stainless steel panel • Advanced noise reduction technology for HD calls • Corrosion-resistant hardware The JR305-SC is a robust and durable industrial telephone housed in a vandal-resistant, corrosion-proof SMC enclosure. It offers enhanced resistance to vandalism and ensure reliable communication at all times. Additionally, this series of phones has been tested in salt spray and is highly durable in humid and corrosive environments. Extremely easy to install, the cable entrance is located at the back of the phone to prevent artificial damage. Ideal for parking lots, lifts/elevators, hotels, doorways, railway/metro platforms, hospitals, police stations, ATMs, stadiums, and outdoor building etc. • Hands-free operation with a single vandal-resistant metal button for emergency calls • Equipped with an LED light that blinks during incoming calls • Noise-cancelling microphone • Yellow color (other colors available on request) • On wall-mounted design, with an M16 cable gland on the back shell

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TECHNICAL SPECIFICATIONS Analog Specification Multiple Options Available

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APPLICATIONS 1 Analog telephone connects to the PABX and call outside lines through the PSTN. PSTN Server room Telephone Line Telephone Line Telephone Line 2 Analog telephone connects to voice gateway, converts analog signal to SIP signal, and is applied in SIP-based systems. Server room Control center Voice getaway Master station Telephone Line Telephone Line

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APPLICATION SCENARIOS DIMENSIONS Package Add: 6/F, A1, Xingyi industrial city, Baishixia Est., Fuyong, Bao'an, Shenzhen, China Email: [email protected]

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