
JR104-SC as a Waterproof SOS Intercom, it is fully contained within a corrosion resistant cast aluminium weatherproof case with a door providing complete protection against dust and moisture ingress, resulting in a highly reliable product with a long MTBF.
Easy installation. The cable entrance is on the bottom of the phone to prevent from artificial damage, while the button is weather and vandal resistant.
This Waterproof SOS Intercom is very popular for Tunnels, Mining, Marine, Construction sites, Blast furnace areas, Underground, Metro stations, Railway platform, Highway side, Hotels, Parking lots, Steel Plants, Chemical plants, Power plants, oil&Gas station, and related heavy duty industrial rough environment conditions, etc.
Die-cast aluminum alloy body with IP66/IP67 rating, IK10 impact resistance, and corrosion-resistant hardware, withstanding -40°C~75°C, dust, moisture and harsh conditions.
Advanced noise reduction filters out ambient noise, ensuring clear on-site and dispatch communication.
Fulfills on-site emergency communication and dispatching requirements across diverse operation scenarios.

Supports integration with external audible and visual alarm beacons for clear call alerts in noisy environments.

| SIP Specifications | |
| Power supply | PoE powered or 12V DC powered |
| Power adapter | 100~240VAC 50~60Hz / 12V DC |
| Power consumption | Idle 1W / Working 2.4W |
| SIP protocol | SIP 2.0 (RFC3261) |
| Network port parameters | WAN Port: 10/100Base- T RJ-45 for LAN, Auto MDIX,LAN Port: 10/100Base- T RJ-45 for PC, Auto MDIX |
| Voice coders | G.711 A/U, G.722 8000/16000, G.723, G.729 |
| Communication mode | Full duplex |
| Ringing volume | 90~95 dB (A) @ 1 meter |
| Technical Specifications | |
| Compatible with most SIP-based IP-PBX servers that comply with SIP RFC 3261 | |
| PoE 802.3af enabled (Power-over-Ethernet) or alternate power source | |
| PoE power supply, supports connecting the external loudspeakers (No external power supply needed) | |
| Supports automatic switching between primary and backup servers | |
| Supports remote Telnet debugging | |
| Supports two relays to remotely control external devices | |
| Operating temperature -40˚C to 65˚C / Storage temperature -40°C to 75°C | |
| M.T.B.F. exceeds 50,000 hours under normal operating conditions | |
| Network Web Management | |
| Fully configurable through any internet browser | |
| Static IP address provisioning or DHCP support | |
| Product self-diagnostic testing available through the web interface | |
| Network-adjustable earpiece volume and microphone sensitivity | |
| Firmware upload via web interface | |
| Echo cancellation: Supports G.168, and hands-free can support 96ms | |
| Supports SIP domain, SIP authentication (none, basic, MD5), and DNS name of server | |
| DTMF: SIPINFO, INBAND, RFC2833 | |
| Dials Plan: Flexible dial-up configuration, support hotline | |
| Network Features | |
| WAN/LAN: Supports Bridge mode | |
| Supports static IP address | |
| Supports DHCP to obtain an IP adress on WAN port | |
| Supports VLAN | |
| Supports web config | |
| Data Protocols: IPv4, TCP, UDP, ICMP, ARP, RTP, SRTP, ONVIF, SNMPv1, RTCP-XR, 802.1x, Static IP/DHCP IP Assignment,IEEE 802.1p/Q, QoS/ToS, HTTP/HTTPS/DHCP, NTP, FTP/TFTP, CDP/LLDP VLAN Configuration, LDAP |
|


Port

Ship

Highway / Tunnel

Railway

Generating station

Mining industry

Industrial park

Heavy industry

| Package | |
| Unit size | 334*204*74 (mm) |
| Shipping dimensions | 200*300*440 (mm) |
| Packaging materials | Foam padding, carton |
| Weight | Gross weight: 6 kg / Net weight: 5 kg |
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