724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
LB320A Quick Start Guide
LB320A Quick Start Guide
LB320A Quick Start Guide
Page 3
Page 2
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1. Unpacking
Unpack the items. Your package should include:
• One LB320A Industrial Ethernet Extender
• This printed quick start guide
If items are missing or damaged, contact Black Box
Technical Support at 724-746-5500 or info@blackbox.
com. Keep the carton and packing material.
2. Select a Location
• Installation: Desktop, Wallmount, DIN-Rail mount.
• Identify a power source within 6 feet (1.8 meters).
• Choose a dry area with ambient temperature
b14 and +140º F (-10 and +60° C).
• Keep away from heat sources, sunlight, warm air
exhausts, hot-air vents, and heaters.
• Be sure there is adequate airflow.
• Keep the device at least 6-ft. (1.8-m) away from the
nearest source of electromagnetic noise, such as a
photocopy machine.
3. Connect to the Data Ports
1. Insert one end of the Ethernet cable into a switch
port.
2. Connect the other end into the Ethernet port of the
device.
3. Insert the voice grade copper wire between one
pair of Ethernet Extenders via the Ethernet Extender
port (RJ-11 connector or terminal block). One device
must be set to LOC mode and the other to Auto
mode when two devices are connected.
Figure 1. Front panel of the extender.
Table 1. LEDs on the extender.
LED
Color
Status
PWR
Green
ON = Receiving power
OFF = Power off
Ethernet Extender Port
Link Activity Green
ON = Connection is
established
OFF = No connection is
established
Flashing = Port is sending
or receiving data
Per
Green
ON = Performance mode
OFF = Standard mode
RMT
Green
ON = Remote mode
LOC
Green
ON = Local mode
SYM
Green
ON = Symmetric mode
ASM
Green
ON = Asymmetric mode
Line Speed
Green
ON = Displays the link speed
in Mbps
10/100TX port
Link/Activity Green
ON = Valid network
connection
OFF = No data transmission
on port
Flashing = Port is sending
or receiving data
Speed
Yellow ON = Link speed
at 100 Mbps
OFF = Link speed
at 10 Mbps
4. Apply DC Power
Connect the supplied AC to DC power adapter to the
receptacle on the rear panel of the Ethernet Extender,
and then attach the plug into a standard AC outlet.
Figure 2. Back panel of the extender.
5. DIP Switch
Table 5-1. DIP Switches
Pin
Up
Down
DIP Switch 1
Auto mode
Local mode
DIP Switch 2
Symmetric
Asymmetric
DIP Switch 3
Performance
Standard
6. Top Panel
Figure 3. Top panel of the extender.