GAI-Tronics DEX-202 Manual Download Page 12

 

Pub.: 42004-679L2D 

M

ODEL 

DEX-10

X AND 

DEX-20

D

RILLER

I

NTERCOM 

S

TATIONS

 

Page 11 of 13 

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Paging 

This station is capable of sending and receiving all-calls and group calls.  Refer to the “All-Call” and 
“Group Call” sections of the Central Switch manual for configuration details. 

Alarms and Music 

This station is capable of receiving alarms and music.  Refer to the “Alarm” and “Music” sections of the 
Central Switch manual for configuration details. 

Analog Models DEX-101 and DEX-201 

Intercom Communication Modes 

Slave Communication - 

Communication between two stations can be automatically enabled during the 

system start-up, or when enabled/disabled by the master station. 

1.

 

The LED on the front panel illuminates to indicate a call is in progress. 

N

OTE

:

  

The beacon output control is not available on this model.

 

2.

 

Speak into the microphone to transmit audio. 

3.

 

Audio is broadcast over this station’s speaker when the master station user pushes the 

T

 button. 

Point-to-Point Communication - 

Communication with this station can be enabled when another station 

dials the extension of this station. 

1.

 

The LED on the front panel illuminates to indicate a call is in progress. 

N

OTE

:

 

 

The beacon output control is not available on this model.

 

2.

 

Speak into the microphone to transmit audio.  If necessary, talk/listen control from this station can be 
controlled using the station’s footswitch input. 

3.

 

Audio is broadcast over this station’s speaker when the other station user speaks.  (If necessary, 
talk/listen control from the other station can be controlled using the 

T

 button on the keypad or by 

using the station’s footswitch input.) 

4.

 

The calling station must terminate the call by depressing the 

X

 button. 

Volume Control 

Volume level adjustments for this station can be configured in the Central.  Refer to the “Volume 
Configuration” section of the Central Switch manual for details. 

Paging 

This station is capable of sending and receiving all-calls and group calls.  Refer to the “All-Call” and 
“Group Call” sections of the Central Switch manual for configuration details. 

Alarms and Music 

This station is capable of receiving alarms and music.  Refer to the “Alarm” and “Music” sections of the 
Central Switch manual for configuration details. 

Summary of Contents for DEX-202

Page 1: ...rview 1 System Requirements and Limitations 1 Features and Functions 2 Available Models 2 Description of Major Components 2 Installation 3 General Information 3 Mounting 5 Conduit Installation 5 Field...

Page 2: ...ng platforms especially in hazardous areas It provides all call group call and point to point communications and is available in digital and analog versions The enclosure is rated NEMA 4X and is facto...

Page 3: ...keypad 24 V dc UL DEX 202 Digital Intercom Station with keypad 120 V ac UL Description of Major Components The Driller s Intercom stations consist of a factory sealed enclosure top and a termination...

Page 4: ...authorized personnel Refer to the Maintenance section for more details WARNING After installing station and before applying power verify that the bolts on the factory sealed section of the station are...

Page 5: ...Pub 42004 679L2D MODEL DEX 10X AND DEX 20X DRILLER S INTERCOM STATIONS Page 4 of 13 f standard ioms current release 42004 instr manuals 42004 679l2d doc 10 10 Figure 2 Driller s Intercom Outline...

Page 6: ...y fasten the factory sealed and termination enclosures to the mounting location using steel mounting bolts and washers or washer head bolts hardware not included Conduit Installation Install the condu...

Page 7: ...o be completed in the termination enclosure bottom enclosure only NOTE Consult the National Electrical Code NFPA 70 Canadian Standards Association CSA 22 1 and local codes for the specific requirement...

Page 8: ...r must be supplied by an isolated 24 V dc power source Additional power feeds may be required to increase the system distance and or the number of stations NOTE Isolated dc power sources must be used...

Page 9: ...ions require termination of a 2 conductor twisted pair cable on system terminals A and B only Analog stations require termination of a 4 conductor twisted pair cable A B twist C D twist on system term...

Page 10: ...rd ioms current release 42004 instr manuals 42004 679l2d doc 10 10 System Interconnection Refer to Figure 6 for a typical system wiring diagram Consult the Central Switch manual for further details on...

Page 11: ...o from the slave station is broadcast over this station s speaker when the T button or footswitch is released Point to Point Communication Refer to the Direct Dialing section of the Central Switch man...

Page 12: ...nication Communication with this station can be enabled when another station dials the extension of this station 1 The LED on the front panel illuminates to indicate a call is in progress NOTE The bea...

Page 13: ...ion Refer to the Volume Configuration section of the Central Manual for details High speaker volume Decrease the actual and or maximum volume settings in the configuration Refer to the Volume Configur...

Page 14: ...e amplifier Frequency response 200 4 000 Hz 3 dB ref 1 kHz Speaker amplifier Output Class AB 18 watts min into 8 ohms with nominal supply voltage Frequency response 200 10 000 Hz 3 dB ref 1 kHz Distor...

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