Connecting Multiple Sw Usbs In A System - Extron electronics SW2 USB User Manual

Connecting Multiple SW USBs in a System

The USB specification states that a maximum of five hubs (or five SW USBs) can be
connected in a series.
NOTE:
The following illustration shows an example of a single host with the maximum of five
SW USB switchers cascaded in a series.
Figure 8.
Do not exceed five cascaded hubs and a total of 127 peripheral devices in the
entire system.
Host Tier
Tier 1
Tier 2
USB Hard
Drive
Tier 3
Keyboard
Tier 4
Printer
Tier 5
Camera
Example of a Host with Five SW USB Switchers Cascaded in a Series
ACTIVE USB
1 2 3 4
EXEC INPUT
MODE 1 2 3 4
1 2 3 4
OUTPUT
SW4 USB Plus
USB SWITCHER
Video
Webcam
ACTIVE USB
1 2 3 4
MODE EXEC INPUT
1 2 3 4
1 2 3 4
OUTPUT
SW4 USB Plus
USB SWITCHER
USB Flash
Drive
ACTIVE USB
1 2 3 4
EXEC
MODE 1 2 3 4 INPUT
1 2 3 4
OUTPUT
SW4 USB Plus
USB SWITCHER
Mouse
ACTIVE USB
1 2 3 4
EXEC
MODE 1 2 3 4 INPUT
1 2 3 4
OUTPUT
SW4 USB Plus
USB SWITCHER
USB Flash
Drive
ACTIVE USB
EXEC 1 2 3 4
MODE INPUT
1 2 3 4
1 2 3 4
OUTPUT
SW4 USB Plus
USB SWITCHER
SW USB Series • Installation
USB Flash
Drive
11