Audio intercom KNSD-101

emergencyfor elevatorswaterproof

Product name
Elevator Emergency Phone KNSD-101

Basic information
Model: KNSD-101
Dimensions: 210 x 150 x 60 mm
Material: SUS304 stainless steel
Protection grade: IP55 (product), IP66 (certification)
Versions: VoIP (SIP), Analog, Wireless

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KNSD-101 VOIP
KNSD-101 Analog

Overview
The KNSD-101 is an elevator-mounted emergency communication unit designed for reliable handsfree voice calls from the car to monitoring or duty rooms. It supports multiple signaling types and can be integrated into building intercom and elevator monitoring systems. The product meets relevant industry certifications and environmental requirements for public and commercial installations.

Main product features

• Full SUS304 stainless steel enclosure with high waterproof and dustproof performance; product protection IP55 and certified IP66.
• High durability with resistance to oil, acid and alkali; conforms to GJB-773 and UL1332 requirements.
• Handsfree operation via built-in loudspeaker; no handset required.
• Highly integrated mainboard based on an industry-specific microcontroller (ATMEL).
• Earthing device and electromagnetic shielding in enclosure for improved EMC performance.
• Clear voice conversation with minimal feedback and adjustable conversation time limit.
• Supports exchange system hotline, exterior line automatic lift and DTMF dialing.
• Standard and SMART Analog and VoIP-SIP configurations available; compatible with most PABX/PBX/PAX systems.
• Talking distance approximately 80–100 cm.

Main PCB

• Robust, well-treated PCB assembly with greased connectors in production.
• Durable screw terminals for ringer, line in and hookswitch connections.
• Selectable 7-minute timeout to release the line if left off-hook.

VoIP over IP-SIP (version) — key points

• Connection: sealed RJ45 socket located inside the enclosure.
• Power supply: external 5V DC.
• Call setup protocol: SIP (Session Initiation Protocol).
• IP provisioning: DHCP or STATIC IP address configuration.

Certification
EMC: EN50121 (railway application) / EN55022 (emissions) / EN55024 (immunity); Ingress Protection: GB4208-93 IP66; FCC; ITU-T K21 recommendations.

Packaging specifications
Unit size: 250 x 150 x 50 mm, N.W.: 1.2 kg
Inner carton: 1 pc, 325 x 235 x 75 mm, N.W.: 1.4 kg
Outer carton: 10 pcs, 566 x 445 x 420 mm, N.W.: 15.3 kg

System
Integrates with intercom and emergency communication systems to route elevator calls to monitoring/duty rooms. Provides handsfree emergency voice communication from the elevator car and supports system-level monitoring and call handling.

Application
Intended for installation inside elevator cars where reliable emergency communication is required. Suitable for commercial and residential buildings, rail/metro stations and other public or private facilities requiring certified elevator emergency phones.

Detailed pictures
Multiple views: main view, design details, intercom system integration, and typical installation locations.

Technical specifications

• Model: KNSD-101
• Material: SUS304 stainless steel
• Dimensions: 210 x 150 x 60 mm
• Protection grade: IP55 (product), IP66 (certification)
• Mainboard: ATMEL industry-specific microcontroller
• Handsfree loudspeaker output: built-in 0.5 W
• VoIP connection: sealed RJ45 socket
• VoIP power: external 5V DC
• Call protocol: SIP
• IP provisioning: DHCP or STATIC IP
• DTMF support: standard low/high frequencies
• Operating temperature: -30°C to 60°C
• Relative humidity: 10%–95%
• Atmospheric pressure: 86–106 kPa
• Environmental noise: ≤80 dB
• Selectable 7-minute timeout
• Compatibility: most PABX/PBX/PAX systems
• Packaging dimensions and net weights as specified above