MSA ITS-1004, Operating Manual

Page: 45 / 60

Version 10.6.3 44
Marine automatic telephone system
ITS-1004
Analog telephone unit explosion-proof
ExResistTel (Ex)
Description:
Telephone communication with VAS (explosion-proof).
Features:

For explosion-hazardous areas

Volume control of incoming call and current conversation

LCD (three-line) and functional keys (5 pcs.)

Telephone book for 50 numbers

Integrated function of noise suppression

Reinforced armored cable

LCD displays call icon
Peripheral units:

Sound-light signaling unit 5842/1 (Ex)

Sound signaling unit 5842/2 (Ex)

Loudspeaker 5802 (Ex)

Headset and microphone MT53H79B
Technical specifications:

Casing material: plastic (reinforced polyester)

Keyboard material: stainless steel

Power supply:
unit – from telephone line
backlight – 24 V DC

Max. power consumption: 4 W

Speakerphone signal: 95 dB

Explosion proof rating:
According to TR CU 012/2011:
1Ex e mb [ib] IIC T6/T5 Gb,
Ex tb [ib] IIIC T 80°C/100°C Db
According to IECEx: Ex e mb [ib] IIC T6/T5 Gb,
Ex tb [ib] IIIC T 80°C/100°C Db

Operating temperature: −25 °С…+60 °С

IP rating: IP66

Weight: 5.6 kg
Mounting type:

Hinged
Connection diagram: See Figures B.5 and B.6
Analog telephone unit
explosion-proof
ExResistTel (Ex)
Stationary, explosion-proof, analog, peripheral units may be
connected, hinged mounting