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Media Pro 4000 Brief			Date: February 2nd 1999

File:	LCM-4020_DMX_Field_Wiring_BR020299.txt
Module:	LCM			
Title:	LCM DMX Field Wiring
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1)	LCM-4020 Field Connector (pinout shown in parentheses)

	a) DMX Input and Output is through the DIN-F48C Field Connector

	b) DMX-512 Input: RXD+ (d2), RXD- (b2), Ground (z2)

	c) DMX-512 Output: There are 5 opto-isolated outputs
	 all outputs have common data.
	 TXD- (d4) , TXD+ (b4) , Ground (z2)
	 TXD- (d8) , TXD+ (b8) , Ground (z6)
	 TXD- (d12), TXD+ (b12), Ground (z10)
	 TXD- (d16), TXD+ (b16), Ground (z14)
	 TXD- (d20), TXD+ (b20), Ground (z18)

2)	The USITT DMX512/1990 (Section 9.02) standard is:
	 Pin 1 - Signal Common (Ground)
	 Pin 2 - Dimmer Drive Complement (Data 1-)
	 Pin 3  Dimmer Drive True (Data 1+)
	 Pin 4 Optional Second Data Link Complement (Data 2-)
	 Pin 5 Optional Second Data Link True (Data 2+)


3)	Typical Cable pinouts

	a) Light Board to LCM DMX-512 Input
	 Light Board Pin 1 - (Ground) - (z2) LCM
	 Light Board Pin 2 - (Data -) - (b2) LCM
	 Light Board Pin 3 - (Data +) - (d2) LCM

	b) LCM DMX-512 Output to Dimmer
	 LCM (z18) - (Ground) - Pin 1 of Dimmer
	 LCM (d20) - (Data -) - Pin 2 of Dimmer
	 LCM (b20) - (Data +) - Pin 3 of Dimmer

4)	Not all Dimmers and Light Boards are created equal

	a) Verify the pinout of the Dimmer being used

	b) Verify the pinout of the Light Board being used

	c) Terminate only the Dimmer at the end of a chain

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Specifications subject to change at any time.

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Phone (805) 257-2184     Fax (805) 257-2025
Phone (661) 257-2184     Fax (661) 257-2025
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