ATEX Phones Zone 1 Hazardous Area – FHF ExResistTel IP2 Explosion Proof Telephone

ATEX Phones Zone 1 Hazardous Area – FHF ExResistTel IP2 Explosion Proof Telephone
ATEX Phones Zone 1 Hazardous Area
FHF ExResistTel IP2 telephones are ATEX phones for all kinds of adverse weather conditions at a wide variety of diverse facilities.
The ExResistTel IP2 is suitable for all indoor and outdoor applications including exposure to seawater, high humidity or extensive mechanical strain.
Certified for safe hazardous area communications in areas susceptible to explosive dust and gases.
The housing of the FHF ExResistTel IP2 explosion proof telephone is impact and shock resistant fiberglass-reinforced polyester which is resistant to acid, alkalis or lubricants.
Its robust design is perfect to meet the latest requirements demanded of VoIP telephones for use in Zone 1 hazardous areas. The ExResistTel IP2 also features an illuminated, heated display.
It also supports all features of the H.450 standard.

FHF ExResistTel IP2
ATEX Phones Zone 1 Hazardous Area
Features
- IP66 protection class as per IEC60529
- Ambient temperature range -40°C to +60°C (heated display)
- Ring signal ≥ 95 dB(A) at a distance of 1 m
- Pixel-based illuminated heated LCD display
- V4A alphanumerical keypad
- Intelligent, user friendly menu structure
- Standard H.323, SIP, TSIP, SIPS protocols
- Telephone power supply: Power over Ethernet or external supply
- Simply connected to a single 10/100 BASE T Ethernet LAN, RJ45
- ATEX telephone with hands-free operation

FHF ExResistTel IP2 – Dimensions
ExResistTel IP2 Explosion Proof Telephone
Technical Specification
Hazardous Area ATEX Certification – Zone 1 | |
Hazardous area protection type | II 2 G Ex e [ib] mb IIC T4 Gb II 2 D Ex tb [ib] IIIB T135 °C Db |
Specifications | |
Protocols | H.323, SIP, TSIP, SIPS |
General | H.323 version 4 including H. 225, H.235, H.245 and RAS Gatekeeper routed signalling, H.450, session initiation protocol (SIP) RTP, SRTP real time protocol – for voice data transmission |
RTCP | Real time control protocol – first level of quality of service |
RAS protocol | Support for external gatekeeper |
DTMF | H.245 “alphanumeric” or “signal type” |
Additional VoIP features | H.245 fast connect enblock dialling overlapped sending |
Security | Encoded password authentication according to H.235 |
Quality of service | Prioritization of IP packages over TOS and DiffServ VLAN priority according to IEEE 802.1p/802.1q |
Voice codecs | G.711 A-law/μ-law (64 kbps), G.729A (16 kbps) |
Echo compensation | G.168 |
Access | Via HTML web browser Password-protected with secure authentication |
Troubleshooting | Log and trace files, status displays of interfaces and connections Ping connection test for internet protocol, sending of SNMP traps |
Updates | Configuration recording/reading Boot code and firmware update via HTML upload Automatic update via update server |
DSL access | PPPoE protocol |
VPN | Tunnelling with PPTP encoding via MPPE |
NAT | Network address translation – for translation of official IP addresses into non-official addresses and vice versa |
DHCP | Integrated, adjustable stabilization bracket |
ICMP | Internet control message protocol – for ping tests |
Call tone generation | Automatic call tone generation according to European and US standard |
Call transfer | Call transfer, in all usual variants: with/without consultation call, before/after answer etc. |
Call diversion | Call diversion/redirection |
Hold | Call hold/retrieve |
Call waiting | Call waiting, with respective indication to calling subscriber |
Message | Message display on telephone |
Pickup | Display indicating that a call can be picked up |
Pickup list | Display listing the calls which can be picked up |
Name display | To determine the displayed name |
Callback | Call completion, with all common variants such as call back when busy and call back when free |
Three-party conference | Conference with 3 subscribers, also external subscribers |
Caller ID | For separate indication of call numbers or groups |
Multiple registration | Up to 6 registrations |
Telephone book | Automatic availability of all registrations in central telephone book, integration of external data bases via LDAP |
Time | Exact time information via time server access |
Hands-free operation | For use without handset |
Power supply | Power over ethernet according to IEEE 802.3af over spare cable pair or external supply 19.2 V-52.8 VDC |
Power consumption PoE (class 0) |
12.95 W |
Connection | Port (10/100 Mbit/s) |
Ringing volume | Max. approx. 95 dB(A) in 1 m distance |
Housing (height x width x depth) |
293 x 227 x 135 mm |
Weight (standard model) | Approx. 5,000 g |
Display | 182 x 64 pixels |
Operating position | Vertical wall mounting |
Relay switching capacity | 250 V AC – 5 A – 100 VA 30 V DC – 5 A – 100 Watt 230 V DC – 0,5 A – 100 Watt 50 V DC – 1A – 50 Watt |
Handset | |
Mouthpiece | Electret microphone |
Earpiece | Dynamic capsule with magnetic field generator |
Stabilisation bracket | Standard equipment |
Environmental conditions | |
Ambient temperature | -40 °C to +60 °C for devices with steel armoured cord -30 °C to +60 °C for devices with polyurethane spiral cord |
Conformity | |
Protection class | IP 66 according to IEC 60529 |
Impact resistance | IK 09 according to EN IEC 62262:2002 |
FHF ExResistTel IP2
Ordering Information
The full part number for the TWIN EEx is made up by appending the colour code to the part numbers given below*.
FHF ExResistTel Part Number | Designation | MEDC Model |
MEDC FHF 112 861 80¹ | VoIP telephone | black, with steel armoured cord |
MEDC FHF 112 861 81 | VoIP telephone | black, with polyurethane spiral cord |
Colour Codes: Transparent 11, Red 12, Amber 13, Green 14 and Blue 15
¹Certified according to ATEX/IECEx/DNV. INMETRO variant available on request.
➡ FHF ExResistTel IP2 has a number of ATEX telephone accessories and components especially certified for potentially explosive areas that can enhance the telephone’s functionality.
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Ex Headset – MEDC FHF 112 861 03 | TWIN EExII – MEDC FHF 118 833 ..* | Protection hood – available in a range of colours see spec for part numbers |
ATEX Phone Accessory Part Number | Designation | MEDC Model |
MEDC FHF 112 861 03 | Ex II additional earpiece | |
MEDC FHF 118 833 ..* | TWIN EExII | |
MEDC FHF 118 901 01 | Telephone hood model 404 | galvanized steel, yellow |
MEDC FHF 118 901 11 | Telephone hood model 404 | V4A stainless steel |
MEDC FHF 118 901 12 | Telephone hood model 404 | synthetic material, orange |
MEDC FHF 118 901 13 | Telephone hood model 404 | synthetic material, yellow |
MEDC FHF 118 901 14 | Telephone hood model 404 | galvanized steel, red |
MEDC FHF 118 901 15 | Telephone hood model 404 | synthetic material, red |
MEDC FHF 118 901 22 | Telephone hood model 404 | GRP, yellow |
MEDC FHF 118 901 23 | Telephone hood model 404 | GRP, orange |
MEDC FHF 118 901 03 | Floor mounting console for Model 404 | yellow |
*ATEX telephone accessories are not available as DNV variants.

ATEX Phones
FHF
FHF is part of the Hazardous Area Communication (HAC) group belonging to Eaton who own MEDC. MEDC has been added to the EATON hazardous area communications business unit to which FHF have a complimentary range of hazardous area signalling and ATEX phones. T&D distribute the extensive range of FHF & Eaton MEDC ATEX Certified manual call points, visual, audible alarms, loudspeakers and telephones for hazardous area workplaces, including Zone 1 & Zone 2 explosive atmospheres.
Thorne & Derrick, are the Explosive Atmosphere Experts, distributing an extensive range of ATEX Certified Equipment including heat tracing cables and systems, electrical heating products, electrical enclosures and plug/sockets outlets.
Complete range of LV-HV Cable Joints, Terminations, Cleats & Glands are available to support installation of power, control and instrumentation cables up to 33kV – includes Cold Shrink for use in hazardous areas to provide electrical insulation and cable protection.
Thermon | EXHEAT | Abtech | Marechal Electric | 3M Electrical