DW Call station

DW Call station is the subscriber equipment to use at industrial sites within digital Intercom and PA/GA communication systems DCN and IPN manufactured by Armtel.

DW is designed for outdoor use in environments with the high levels of humidity, noise, dust and smoke content, including the environments with chemically aggressive gases and vapors, within the wide range of operation temperatures.

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Parameter

Value

Rated supply voltage

48 V

Supply voltage range

from 36 to 60 V

Quiescent current at the rated voltage, maximum:
- version with auxiliary amplifier 25 W
- version without auxiliary amplifier 25 W

73 mA
36 mA

Maximum operating current:
- version with auxiliary amplifier 25 W
- version without auxiliary amplifier 25 W

1100 mA
140 mA

Maximum switching current (external (signal) device circuit) 48 V DC

1,25 A

Maximum power of main amplifier

1,2 W

Maximum power of auxiliary 25 W amplifier (for version with auxiliary amplifier 25 W)

25 W

Number of programmable direct connections / functions

up to 24

Bandwidth

from 300 tо 6800 Hz

Line interface

Uk0-interface according to CCITT

Communication protocol

«Armtel»

Sound pressure level of built-in speaker at maximum volume, at distance 100 cm (30 cm), at least

96,0 (107,4) dB

Electrical protection class (under GOST IEC 61140-2012)

III

Climatic category according GOST 15150-69

NF1

Seismic resistance category (under NP-031-01)

Safety Class (under NP-001-015 and NP-033-11)*

3Н

Protection class as per GOST 14254-2015

IP66

Ambient temperature range

From -55 to +55 ºC

Air pressure range

from 84 to 106,7 kPa (from 630 to 800 mm of mercury)

Relative air humidity at 25 ºC

up to 100 %

Overall dimensions (version without handset)

515×130×205 mm

Overall dimensions (for versions completed with handset)

540×130×225 mm

Maximum weight

6,2 kg

* The product conformity with Safety Class 4Н under NP-001-015 is admitted.

DW Call station is the subscriber equipment to use at industrial sites within digital Intercom and PA/GA communication systems DCN and IPN manufactured by Armtel.
DW intercom station is designed for outdoor use in environments with the high levels of humidity, noise, dust and smoke content, including the environments with chemically aggressive gases and vapors, within the wide range of operation temperatures.

Two-way loudspeaking simplex communication, using built-in speakers, microphone or external microphone with push-to-talk button;
Two-way duplex communication with using handset;
Broadcasting of incoming audio messages through the integrated higher-power amplifier and optional 25/50W auxiliary amplifier;
Group call and PA facility, including PA for multiple zones;
Extended voice signal bandwidth to 6,8 kHz;
Broadcasting of alarms pre-recorded messaged from central exchange
Indication of call, busy signaling, unanswered call and other modes on LED indicators of programmed keys / pushbuttons;
Control of external signaling device, using built-in relay;
Reliable communication via digital two-wire line of Uk0 interface over the distance up to 6 km.

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