beautypg.com

Power supply – SENA Promi-SD 205 User Manual

Page 30

background image

Promi-SD User Manual – 3. Connections

26

Copyright © 2006 Sena Technologies, Inc. All rights reserved.

Power Supply

Promi -SD can be supplied power through the power jack and through pin 9 of DB9 connector.



Through Power Jack

DC 5 ~ 12V, Min. 150mA power should be supplied through DC power cable. Red cable is positive and black one is
negative.

AC/DC power adaptor and USB power cable are also available to supply power.



Through Pin 9 of DB9 connector

The power can be supplied through pin 9 of DB9 connector. Because Promi -SD does not have any protection circuit
from surge, it must be constant voltage of 5 ~ 12V.

Electrical Polarity

DC Power Cable

AC/DC Power Adapter

USB Power Cable

Red +
Black -