Ex-ResistTel, FernTel IP Hazardous Area Telephones

Industrial telephones developed specifically for harsh and hazardous environments are found in:

  • Oil refineries, petrochemical plants, offshore platforms, marine applications, and industrial manufacturing

These telephones can handle large temperature differences found outdoors, high humidity and exposure to salt water, as well as heavy mechanical wear and tear.

Type Analog or Voice over Internet Protocol (VoIP)
Ringer Output 90dB (Ex-ResistTel Series); 95dB (FernTel IP Series)
Dimensions 10.5" x 9.0" x 5.3" (Ex-ResistTel Series); 12.0" x 8.0" x 5.0" (FernTel IP Series)
Weights 12 lbs. (Ex-ResistTel Series); 5.5 lbs. (FernTel IP Series)
Enclosure Materials Glass fiber-reinforced polymer (Ex-ResistTel Series); Polycarbonate (FernTel IP Series)
Keypad, Faceplate, Trip, and Armored Cord Material 316 stainless steel

Features

Ex-ResistTel - Hazardous Analog Telephone:

  • Fully encapsulated electronics in robust glass fiber-reinforced polymer housing with 1/2" NPT conduit entries and Type 4X (IP66) protection
  • Programmable with alphanumeric display and a 21-piece stainless steel lighted keypad
  • Hermetically sealed non-contact hook sensing switch improves system reliability
  • Captive cover screws prevent loss during installation
  • Ventilation/pressure balancing plug eliminates moisture collection inside the enclosure
  • 10 ringing melodies, maximum 50 directory entries; multiple languages available
  • Operating environment from -20°C to +40°C
  • Ringer output: 90dB; noise suppression: 3dB

FernTel IP - Hazardous Voice over Internet Protocol (VoIP) Telephone:

  • Corrosion-resistant polycarbonate housing with 1/2" NPT conduit entries and Type 3 (IP65) protection
  • Programmable with alphanumeric illuminated display and a 21-piece lighted keypad
  • Hermetically sealed non-contact hook sensing switch improves system reliability
  • Captive cover screws prevent loss during installation
  • Power supply: PoE (Power over Ethernet) with no separate power supply required
  • Operating connection: 10/100 BASE-T Ethernet LAN
  • Protocol: H323 and SIP
  • Operating environment from -20°C to +55°C
  • Ringer output: 95dB

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