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• Asynchronous transfers — Supports USB devices that require asynchronous
transfers.
• Real-time status LED indicators for troubleshooting and monitoring — Front and
rear panel LED indicators provide visual confirmation of port activity between an active
host and each connected peripheral device.
• Rack and furniture mountable — Low-profile, 1-inch (2.5 cm) high, quarter rack wide
metal enclosures enable the extenders to be installed discreetly, such as beneath a
table or inside a lectern.
• Included power supplies — An energy-efficient, external, universal power supply,
part number 70-775-01 (28-071-57LF), is provided with each unit. The power supply
provides worldwide power compatibility with high demonstrated reliability and low
power consumption.
• Remote configuration and control — The transmitter and receiver can be configured
via Extron SIS (Simple Instruction Set) commands issued from the computer to the front
panel 2.5 mm TRS Config port of the extenders.
Application Diagram
HOST
POWER
12V
--A MAX
INPUT
OUTPUT
1
2
3
4
POWER
12V
--A MAX
INPUT
OUTPUTS
O
VER
DTP
R
EMO
TE
RS
-
2
3
2
IR
T
x
R
x
G
T
x
Rx
CO
N
T
ACT
12
3
RS
-
232
T
x
Rx
G
LINK
SIG
D
T
P
OUT
DT
P
HDB
T
OU
TPUTS
IN
PUTS
1 1UNIV
E
RSAL HD
MI D
ISPLAYPORT2 3 HDMI 2A
H
DMI 2B
LA
N
R
ESET
USB
1
2
50/60 Hz
100-240VAC --A MAX
USB
HDMI
Ext
ron
A
nnotator 300
HDCP
-Compliant
A
nnotation Processor
with
DTP Extension
CAT 5/5e/6/7
up to 330' (100 m)
Projector/Display
USB Touchscree
n
Display
USB
Extron
USB Extender Plus T
Twisted Pair Transmitter
for USB Peripherals
Extron
USB Extender Plus R
Twisted Pair Receiver
for USB Peripherals
Figure 1. USB Extender Plus T/R Application with the Annotator 300
USB Extender Plus T/R • Introduction 2