Functional details, Internal components, Usb in connector – Measurement Computing USB-ERB08 User Manual
Page 14: Usb out connector, Functional details -1, Internal components -1, Usb in connector -1, Usb out connector -1, Gure 3-1
Chapter 3
Functional Details
Internal components
The USB-ERB08 has the following internal components, as shown in Figure 3-1.
Two (2) USB connectors
Two (2) external power connectors
PWR LED
USB LED
Invert/non-invert switch S1 — sets the relay control logic polarity
Pull-up/pull-down switch S2 — sets the relay power-on state
Screw terminals
Invert/non-invert
switch (S1)
PWR LED
USB LED
USB IN
POWER
OUT
POWER IN
USB
OUT
Pull-up/pull-down
switch (S2)
Screw terminals
Figure 3-1. USB-ERB08 components
USB in connector
The USB in connector is labeled
USB IN
on the board and enclosure. This connector is a USB 2.0 full-speed
input connector that you connect to the USB port on your computer (or USB hub connected to your computer).
This connector supports USB 1.1 and USB 2.0 devices.
USB out connector
The USB out connector is labeled
USB OUT
on the board and enclosure. This connector is a downstream hub
output port intended for use with other MCC USB Series products only. The USB hub is self-powered, and can
provide
100 mA
maximum current at 5 V.
For information on daisy chaining to other MCC USB Series products, refer to
on page 3-3.
3-1