5
Installation
Specifications
Note:
In most cases, the U208-004-IND will receive sufficient power from the connected computer
to operate. In the event that additional power is required, connect a user-supplied external power
supply between the external power connection on the unit and an external power source. The
U208-004-IND is compatible with listed LPS 5V DC power supplies using a 5.5 x 2.1 x 9.5 mm
output plug with a positive tip and negative sleeve.
1
Using the included USB cable, connect the USB to Serial adapter to an available USB
port on your computer.
2
Insert the included Driver CD into the computer’s CD/DVD drive. If your computer
does not have a CD/DVD drive, you can download the software at
www.tripplite.com/support.
3
In the Driver CD, navigate to the Drivers folder and the driver file applicable to your
operating system.
4
Run the driver file and follow the install prompts to complete installation.
5
Set the DIP switches on the unit to the appropriate serial mode (see
DIP Switch
Settings
for more information).
6
Connect the serial cable between the serial device and the serial ports on the unit.
Note:
The RX status LED will blink green when serial data is being received. The TX status LED
will blink yellow when serial data is being sent.
Input Connector
USB Type-B, Female
Output Connector
U208-001-IND – (x1) DB9, Male
U208-002-IND – (x2) DB9, Male
U208-004-IND – (x4) DB9, Male
LEDs
Green: Serial Data Received
Yellow: Serial Data Transmitted
Supported Protocols
RS-422, RS-485
Max Baud Rate
921.6 Kbps
Max Data Transfer Speeds
1 Mbps
Stop Bits
1, 2
Data Bits
7, 8
FIFO
U208-001-IND – Tx: 256B Rx: 128B
U208-002-IND – Tx: 4 kB per port Rx: 4 kB per port
U208-004-IND – Tx: 2 kB per port Rx: 2 kB per port
Flow Control
Xon/Xoff
Parity
Odd, Even, Mark, Space, No Parity
Operating Temperature
32 to 104°F (0 to 40°C)
Storage Temperature
14 to 131°F (-10 to 55°C)
Relative Humidity
5% to 90% RH, Non-Condensing
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