Crestron Zum - Load Controller Operation

142 • Crestron Zūm® Wired Solutions Product Manual — Doc. 9349B
Load Controller Operation
In a room with multiple load controllers, one load controller is the primary controller and the
others are secondary. Observe the LINK LED to identify the primary load controller. The
LINKLED on the primary load controller consistently flashes for 0.5 seconds on and 0.5 seconds
off.
Additional LED behavior is described in the following tables.
LED LED Color Description
LINK Off The load controller is not polling any secondary
load controllers.
LINK Green
(flashes 0.5 seconds on and
0.5 seconds off)
The load controller is the room primary load
controller.
TEST Off The local load is off.
TEST Green The local load is on.
NET
(ZUMNET-JBOX
only)
Off The ZUMNET-JBOX is not connected to a
control system or ZUM-HUB4.
NET
(ZUMNET-JBOX
only)
Green The ZUMNET-JBOX is connected to a control
system or ZUM-HUB4.
NET
(ZUMNET-JBOX
only)
Red The ZUMNET-JBOX lost connection to a control
system or ZUM-HUB4.
LED Status for Room Primary Load Controllers
LED LED Color Description
LINK Off The load controller is not being polled by the room primary load controller.
LINK Green
(solid)
The load controller is actively being polled by the room primary load
controller.
TEST Off The local load is off.
TEST Green The local load is on.
LED Status for Secondary Load Controllers (ZUMLINK-JBOX only)