Black Box LB9019A-R3 User manual

Installation
This installation guide gives step-by-step instructions about how to install the Express Ethernet Switches:
LB9019A-R3
Selecting a Site for the Express Ethernet Switch: LB9019A-R3
As with any electric device, you should place the switch where it will not be subjected to extreme temperatures,
humidity, or electromagnetic interference. Specifically, the site you select should meet the following requirements:
- The ambient temperature should be between 32 and 104 degrees Fahrenheit (0 to 40 degrees Celsius).
- The relative humidity should be less than 90 percent, non-condensing.
- Surrounding electrical devices should not exceed the electromagnetic field (RFC) standards for IEC 801-3,
Level 2 (3V/M) field strength.
- Make sure that the switch receives adequate ventilation. Do not block the ventilation holes on each side of the
switch or the fan exhaust port on the rear of the switch.
- The power outlet should be within 1.8 meters of the switch.
Connecting to Power
yConnect the supplied AC power cord to the receptacle on the back of the switch, and then plug it into
a standard AC outlet with a voltage range from 100 to 240 Vac.
Figure: Rear view of the switch
Connecting to Your Network
Cabling
yFirst, ensure the power of the switch and end devices are turned off.
<NOTE> Always ensure that the power is off before any installation.
yPrepare cable with corresponding connectors for each type of port in use.
yConsult Table 2 below for cabling requirements based on connectors and speed.
yConnect one end of the cable to the switch and the other end to a desired PC or workstation.
yOnce the connections between two end devices are made successfully, turn on the power and the
switch is operational.
Rece
p
tacle

Cable Length
The maximum distance of a node to a directly connected switch on a 100BASE-TX network is 100 meters with
Category 5 shielded twisted-pair (STP) cable or unshielded twisted-pair (UTP) cable. For a 10BASE-T network, it
may range up to 100 meters with Category 3, 4, or 5 STP/UTP cable.
The maximum segment distance between a node and a directly connected switch port on a 100BASE-FX network is
75 km using 10/125(or 9/125)µm single-mode fiber optic cable. It is capable of spanning at most 2 kilometers when
use of 62.5/125(or 50/125)µm multi-mode fiber-optic cable.
Table: Cable Specifications
Ethernet
Standards
Connector Port
Speed
Half/Full
Duplex
Cable Max.
Distance
10BASE-T RJ-45 10/20
Mbps
Cat. 3, 4 or 5
UTP/STP
100 m
100BASE-TX RJ-45 100/200
Mbps
Cat. 5
UTP/STP
100 m
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