Ocean Optics LS-450 - Manual (Page 25)

5: Specifications
009-00000-450-02-201105 11
Power Specifications
Item Specification
Input Voltage Range 3.0 to 8.0 volts
Quiescent Range ~20 mA
Current with Lamp On ~20 mA
USB-LS-450 Pin and Interface Information
The USB-LS-450 features a 10-pin accessory input (for the spectrometer) and a 4-pin accessory connector
(for the USB-LS-450-TP).
Front view of the USB-LS-450 with 10-pin accessory input
10-pin Accessory Input
The 10-pin accessory Input on the USB-LS-450 provides unaltered connections to the 10-pin accessory
connector on the USB2000-FL Spectrometer. Use this connector to configure external triggering options
on the spectrometer when the USB-LS-450 is connected to it. Consult the External Triggering Options
document at
http://www.oceanoptics.com/technical/engineeringdocs.asp for more information on
specific pin information for triggering.
Pinout diagram of the 10-pin connector on the USB2000-FL
Note
If you have the 4/20mA (USB-LS450-4/20) output option, the 4-20mA signal transmits
on pin 8 of the 10-pin accessory input. The ground transmits on pin 6.