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Status LEDs

Status LEDs are also included on the front of the SeaI/O-270U module to indicate

the following information:

 ENABLE (Yellow) – Lights when the USB hub is enumerated by the host

system.

 FAULT (Red) – Lights when there is a problem with a downstream USB

port. Disconnect the downstream devices one at a time until the status returns

to normal.

 EXT POWER (Green) – Indicates the external power supply is properly

connected to the hub and an AC power source.

External Power

The SeaI/O-270U includes an industrial grade wall-mount power supply (Item#

TR122) that outputs 12VDC @ 2A. Power is input via a 5mm 2-position removable

screw terminal block (shown below). To prevent accidental disruption of power, the

terminal block includes mounting screws for securing to the hub.

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SeaI/O-270U User Manual

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Impulse 270U Manuale Utente Pagina 7