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GAI-Tronics DEX-202 Manual Download Page 10

 

Pub.: 42004-679L2D 

M

ODEL 

DEX-10

X AND 

DEX-20

X 

D

RILLER

’

S 

I

NTERCOM 

S

TATIONS

 

Page 9 of 13 

f:\standard 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 equipment connections to the central switch. 

 

Figure 6.  Typical system interconnection diagram 

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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