Functional Details; Internal Components; Usb In Connector; Usb Out Connector - Measurement Computing USB-SSR08 User Manual

Functional Details

Internal components

The USB-SSR08 has the following internal components, as shown in Figure 3-1.
! Two (2) USB connectors
! Two (2) external power connectors
! PWR LED
!
USB LED
! I/O module type switch (
! Control logic polarity switch (
! Power-up state configuration switch (
! Screw terminals (eight pairs)
Control logic
polarity switch
(S2)
PWR LED
USB LED

USB in connector

The USB in connector is labeled
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, USB 2.0 devices.

USB out connector

The USB out connector is labeled
output port intended for use with other MCC USB Series products only. The USB hub is self-powered, and can
provide maximum current at 5 V. For information on daisy chaining to other MCC USB Series
100 mA
products, refer to "Daisy chaining multiple USB-SSR08
)
S1
)
S2
)
S3
USB IN POWER IN
USB POWER
OUT OUT
I/O Power-up state
module type configuration
switch (S1) switch (S3)
Figure 3-1. USB-SSR08 components
on the enclosure and on the board. This connector is a USB 2.0 full-
USB IN
on the enclosure on the board. This connector is a downstream hub
USB OUT
Screw terminals
devices" on page 3-4.
3-1
Chapter 3