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Pub.: 42004-679L2D 

M

ODEL 

DEX-10

X AND 

DEX-20

X 

D

RILLER

’

S 

I

NTERCOM 

S

TATIONS

 

Page 13 of 13 

f:\standard ioms - current release\42004 instr. manuals\42004-679l2d.doc 
10/10

 

Specifications 

Power input (120 V ac) ....... Voltage .............................................................  108/132 V ac range, 50/60 Hz 
 

Power consumed .................................................... 23 VA, 10 watts (nominal) 

 

52 VA, 50 watts (maximum) 

Power input (240 V ac) ....... Voltage .............................................................  216/264 V ac range, 50/60 Hz 
 

Power consumed .................................................... 43 VA, 11 watts (nominal) 

 

63 VA, 50 watts (maximum) 

Power input (24 V dc)......... Voltage .................................................................................. 21/27 V dc range 
 

Power consumed ................................................................  42 watts (nominal) 

 

50 watts (maximum) 

Construction finish.............. Enclosure........................... Gray powder epoxy/polyester on exterior surfaces 
 Front 

panel................................................................. Passivated stainless steel 

Microphone 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 

 

Distortion....................................................  1% max. THD @ 1 kHz, 18 watts 

Loudspeaker............................................................................................................................... 8 or 16 ohms 
Inputs .............................................................................................................. 16-button keypad, footswitch, 
 

speaker volume adjustment (adjusted through keypad) 

Outputs................................ Call Indication LED ..........................................................................................  
 

Beacon Control (digital only)............................................  30 V @ 3 A (max.) 

System cabling.................... Digital................................................................. Star-feed, 2-wire twisted pair 
 Analog ................................................................ Star-feed, 

4-wire twisted pair 

Temperature range ................................................................Analog:  

−

13º F to + 149º F (-25º C to +65º C) 

 

Digital:  -4º F to + 140º F (-20º C to +60º C) 

Dimensions ........................................................  10.31 W 

×

 16.11 H 

×

 8.07 D (262.0 

×

 409.2 

×

 205.0 mm) 

Shipping weight ....................................................................................................................39 lbs. (17.7 kg) 

Approvals 
UL ........................................................................................................... NRTL Listed for USA and Canada 
 

Class I, Div. 1 & 2, Groups C & D T4 

 

Class I, Zones 1 & 2, Group IIB & IIA 

 

Class II, Div. 1 & 2, Groups E, F, & G 

 

Class III, Div. 1 & 2, Type 4X 

Содержание DEX-202

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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