724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
LB323A Quick Start Guide
LB323A Quick Start Guide
LB323A Quick Start Guide
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1. Unpacking
Unpack the items. Your package should include:
• One LB323A Hardened 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
between -40 and +167º F (-40 and +75° 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 Hardened Ethernet Extenders via the
Ethernet Extender port (RJ-11 connector or terminal
block).
Figure 1. Front view of the extender.
Figure 2. Top view of the extender.
Table 1. LEDs on the extender.
LED
Color
Status
Power 1, 2
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
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
