Guardian Telecom’s SIP-enabled DTR-51-V Outdoor Industrial desk/wall VoIP ringdown telephone with curly handset cord is a non-hazardous rated version of Guardian’s Zone 1 DTR-51-V-Z model. It has a Type 4X, IP66 weather rating without being housed in a separate enclosure.

Lift the handset and the call is dialed to its assigned location.

All DTT-V and DTR-V models can be configured for either desk or wall mounting and can be used both indoors or outdoors.

Standards Compliance

FCC Part 15† Class A

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference.
(2) This device must accept any interference received, including interference that may cause undesired operation.

IEC 61000-6-2: 2005

Industry Canada ICES-003 Class A

CISPR 22: 2008

Interference-Causing Equipment Standard–003 (ICES-003) sets out the technical requirements relative to radio noise generated by Information Technology Equipment (ITE).
CLASS A limits for non-residential operation.


Product Features

  • IP Features
    • PoE 802.3af enabled (Power-over-Ethernet) or alternate power source
    • Compatible with most SIP-based IP-PBX servers that comply with SIP RFC 3261
    • Network web management
    • Guardian Discovery Utility makes it easy to detect, locate and launch the web based configuration screens
    • Product self diagnostic testing available through web interface
    • Network adjustable earpiece volume and microphone sensitivity
    • Network downloadable firmware
    • Remote programming – allows you to manage your network from a central location

    Product Features

    • High impact thermoset resin industrial housing and ergonomic heavy duty handset – IP-66 compliant
    • Heavy duty curly handset cord
    • Removable handset retainer latches on cradle
    • Reversible base for desktop or wall mount configurations
    • Corrosion resistant hardware
    • Noise canceling microphone
    • Magnetic reed hook switch to reduce parts subject to wear
    • Service temperature range from -22° to +140°F (-30° to +60°C)
    • Direct dial to an assigned location
    • Hearing-aid compatible (HAC) receiver
    • Built in auxiliary relay to switch up to 0.5A @ 30VDC
    • Two M20 and one M12 access ports
    • Field repairable by authorized personnel
    • Order number: P3042
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