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Data Cables
The luminaire is equipped with two, 5-pin XLR connectors for DATA IN and DATA
THRU (out) applications. DATA IN requires a 5-pin, female XLR connector and
DATA THRU requires a 5-pin, male XLR connector. When purchasing or
constructing data cables, it is important that not only the correct cable type be used,
but also quality cable to ensure a reliable DMX512 system. Your cabling should meet
the following USITT DMX specification requirements:
•
Suitable for use with EIA485 (RS485) operation at 250k baud.
•
Characteristic impedance 85-150 ohms, nominally 120 ohms.
•
Low capacitance.
•
Two twisted pairs.
•
Foil and braid shielded.
•
24 AWG min. gauge for runs up to 1000 feet (300m).
•
22 AWG min. gauge for runs up to 1640 feet (500m).
Note:
Microphone type cables and other general purpose, two-core audio or signal
cables are not suitable for use with DMX512.
Refer to the USITT Recommended Practice for DMX512 guide for additional
information regarding DMX512 systems. How to obtain a copy is detailed in
“Additional Support and Documentation” on page 1
.
The XLR 5-pin connectors should be wired as follows:
Pin/Wire Code to XLR Connectors
Data Thru
Cable Pinout
Male Conn
Pin 1
Foil &
Braided
Shield
Pin 2
1st
conductor
of 1st
twisted
pair
Data (-)
Pin 3
2nd
conductor
of 1st
twisted
pair
Data (+)
Pin 4
1st
conductor
of 2nd
twisted
pair
Data (-)
Pin 5
2nd
conductor
of 2nd
twisted
pair
Data (+)
Data In
Cable Pinout
Female Conn
1
2
3
4
5
1
2
3
4
5
