Crestron MPS-250 Multimedia Presentation System 250
CAUTION: All source devices should be grounded to the MPS-250.
NOTE: The MPS-250 can only be powered by the included power cord. Power
cannot be supplied from network devices that are connected to the mini-terminal
block connectors.
NOTE: For Cresnet, CAT5, and QuickMedia connections, use Crestron Certified
Wire.
NOTE: When running the out-of-the-box program, relays 1 and 2 are momentary.
NOTE: When running the out-of-the-box program and connecting a projector
screen, the “up” control lines should be connected to relay 1 and the “down” control
lines should be connected to relay 2.
NOTE: This product does not support Cresnet Analyzer software. If Cresnet
analysis is required, contact Crestron’s True Blue Support.
Balanced and unbalanced audio inputs/outputs are provided, utilizing five-pin
terminal block connectors. For connection details, refer to the following table and
diagrams.
Audio Connections
SIGNAL
NAME BALANCED
AUDIO INPUT BALANCED
AUDIO
OUTPUT
UNBALANCED
AUDIO INPUT UNBALANCED
AUDIO OUTPUT
+ 1 + 1 + 1 + In 1 + Out
- 1 - 1 - 1 – signal return,
jumper to GND Open
G Shield/ground Shield/ground Ground Common
ground
+ 2 + 2 + 2 + In 2 + Out
- 2 - 2 - 2 – signal return
jumper to GND Open
Typical Balanced/Unbalanced Inputs
+ - G + -+
+
Balanced Input
Shield
Left/Microphone
Right/Line
Jumpers
+ - G + -
+
+
Unbalanced Input
Left/Microphone
Right/Line
Shield
Shield
Operations Guide – DOC. 6647A Multimedia Presentation System 250: MPS-250 • 27