Crestron electronic ST-PC - Manual (Page 10)

Dual AC Power Control Module Crestron ST-PC
POWER A and POWER B
For the ST-PC, two three-prong socket connectors are provided to connect to any
device that requires AC on/off power switching.
For the STI-PC, two international power cords (approximately six feet in length) are
available for connection to an international power socket.
POWER IN
For the ST-PC, a three-prong plug is used to connect to a three-prong outlet that
supplies power. For the STI-PC, an international power cord (approximately six feet
in length) is available for connection to an international power plug.
Indicators
ST-PC Indicators
POWER A
CRESTRON CRESTRON
PWR NET
A/C CONTROLLER
POWER B
ST-PC
PWR (Power)
This green LED illuminates when power is supplied to the ST-PC through Cresnet or
the external power supply.
NET
This yellow LED illuminates when communication between Cresnet and the ST-PC
is established. Illumination indicates that the SIMPL Windows program currently
loaded has a network device defined with the same network ID as the ST-PC.
POWER A
This LED illuminates when the unit plugged into the POWER A three-prong socket
connector at the back panel is on (relay is engaged).
A momentary pushbutton switch toggles the A relay between its two states when the
control system is inactive. When the control system is active, the LED is under
program control and must have its functionality programmed. Refer to “ST-PC
Symbol in Programming Manager” for signal assignment details. The signal driven
from the button is high for the duration of the button press and goes low when the
button is released.
POWER B
The LED illuminates when the unit plugged into the POWER B three-prong socket
connector at the back panel is on (relay is engaged).
A momentary pushbutton switch toggles the B relay between its two states when the
control system is inactive. When the control system is active, the LED is under
program control and must have its functionality programmed. Refer to “ST-PC
Symbol in Programming Manager” for signal assignment details. The signal driven
from the button is high for the duration of the button press and goes low when the
button is released.
6 • Dual AC Power Control Module: ST-PC Operations Guide – DOC. 5708A