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12
Unison
®
ERn Rack Mount Enclosure Installation Manual
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, LinkConnect, 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.
Note:
Lance and forms provided as a way to secure wiring with wire ties.
WARNING:
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