ETC Unison ERn Rack-mount Control Enclosure - Manual (Page 19)

3
Connect Wiring 15
Connect Control Wiring
All low voltage data and option wiring conveniently connects to removable and pluggable
connectors on rear panel of the ERn enclosure.
The rear panel provides removable and pluggable connectors for contact inputs and
outputs, RS-232 serial, Ethernet control, contact closure input and output terminations,
LinkPower, auxiliary power, DMX in, DMX Out, and DMX through.
Rack options such as the redundant rack power supply (ERn-RPS) and the Unison ride thru
option kit terminate to the right I/O board located inside the ERn enclosure.
Connect Rear Panel I/O Data Terminations
Terminate DMX Control Wiring
DMX wire preparation and termination will vary with the type of wire and termination kit
being utilized. Please refer to the instructions supplied with the DMX termination kit for
specifics on the wire preparation.
DMX Input Termination: Screw Terminals Connector
N o t e : Lance and forms provided as a way to secure wiring with wire ties.
W A R N I N G : RISK OF DEATH BY ELECTRIC SHOCK! Failure to disconnect all power
before working in the enclosure could result in serious injury or even death.
+
-
+
-
+
-
+
-
+
-
1A
1B
1A
1B
1A
1B
2A
2B
2A
2B
2A
2B
A+ A-
COM
B+B- COM
A+
A- COM
B+B- COM
N O 4
C OM 4
N
O
3
C OM 3
N
O
2
C OM 2
N
O
1
C OM 1
I N 4
G
ND
I
N
3
G ND
I N 2
G
ND
I
N
1
G ND
C ONTACT
O UT
C ONTACT
I N
DMX A DMX B
DMX
P ASS -T HRU
L
ON
A
UX
< < <
Ethernet
RS-232 serial
1 2 3 4 5 6 7 8
COM
n/c n/c n/c n/c n/c
Data + (Red) Data - (Black)
From source
DMX A
If daisy-chaining to
another rack or
DMX device... This graphic illustrates DMX termination layout for the
screw-terminal connectors that are intended for use
with Belden 9729 cable (or approved equal) cable type.
Screw terminal connectors are supplied as standard in
the DMX Preparation Kit w/ Screw Connector, part
number 4100A1012.
Be aware that cable other than Belden 9729 may have
a different color code for its wire pairs.