Edimax Technology Switch ER 5390S User Manual

E
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9-Port Desktop  
Ethernet Hub  
ER-5390S  
User’ s Manual  
DIMAX  
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Contents  
Chapter 1 Introduction ....................................1  
Chapter 2 Features & Specifications ..............2  
Chapter 3 Package Contents ...........................3  
Chapter 4 Physical Description .......................4  
Chapter 5 Installation ......................................6  
Chapter 6 Trouble-shooting ............................8  
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1
Introduction  
Congratulations on your purchase of Edimaxs 9-port desktop Ethernet 10Base-T  
hub - ER-5390S. This hub is specifically designed to provide simple, reliable and  
economical solution in small Ethernet 10Base-T networks.  
With eight RJ-45 and one BNC ports, ER-5390S supports up to eight workstations  
running at 10Mbps on unshielded twisted-pair cables and at the same time, connect  
to other Ethernet devices through the coaxial cable as illustrated in Figure 1-1.  
Several ER-5390S can be connected together using the BNC ports to support a larger  
network.  
LEO PREDATOR  
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Figure 1-1 ER-5390S Topology  
An uplink port located right next to the 8th RJ-45 port allows easy connection to  
other hubs or switches using regular straight-through cables as illustrated in Figure  
1-2.  
Uplink Port  
IN  
OUT  
Uplink  
8
7
6
5
4
3
2
1
IN  
OUT  
Uplink  
8
7
6
5
4
3
2
1
Figure 1-2 Uplink to another hub  
ER-5390Ss slim and compact design allows direct placing on the desktop or  
conveniently mounted on the wall or the side of a desk to accommodate cabling  
consideration.  
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2
Features & Specifications  
(1) Features  
n Comply with IEEE 802.3 10Base-2 and 10Base-T Ethernet Standards.  
n Support eight RJ-45 connectors for 10Base-T connection and one 10Base-2 BNC  
port for mixed media network environment.  
n Built-in uplink port for easy connection to another hub using regular straight-  
through cable.  
n Complete sets of LEDs provide an easy diagnostic on the hubs and individual  
ports status.  
n Slim and Compact design  
n Wall mountable  
n Two-year warranty  
(2) Specification  
n Standards : IEEE 802.3  
n 10Mbps Ports : RJ-45 x 8 & BNC x 1  
n Hub LEDs : Power, Collision  
n Port LEDs : RJ-45 -- Link/Activity, Partition  
BNC - Activity, Partition  
n Dimensions : 8.67 x 4.61 x 1.18 inches/220 x 117 x 30 mm  
n Weight : 1.76 lb./800g  
n Power : 6V DC, 0.7A external adapter  
n Operating Temperature : 32-1310F (0-550C)  
n Operating Humidity : 10-95% (Noncondensing)  
n Emission : FCC Class A & CE Mark  
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3
Package Contents  
n 9-port desktop Ethernet Hub  
n One external power adapter  
n One T-Connector  
n Users manual  
E
O
Power  
Collision  
LNK/Rx  
Partition  
Rx  
Partition  
DIMAX  
1
2
3
4
5
6
7
8
BNC  
9-Port 10Mbps Ethernet Hub  
Figure 3-1 Package contents  
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4
Physical Description  
(1) Panel  
Link/Receive LED  
Power LED  
E
O
Power  
Collision  
LNK/Rx  
Partition  
Rx  
Partition  
DIMAX  
1
2
3
4
5
6
7
8
BNC  
9-Port 10Mbps Ethernet Hub  
Collision  
LED  
Partition LED  
IN  
OUT  
Uplink  
8
7
6
5
4
3
2
1
BNC Port  
Uplink Port  
RJ-45 Ports  
Figure 4-1 Panel description  
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(1) LED  
LED  
Color Status  
Description  
Power is supplied  
Lit  
Green  
Power  
Off  
No power  
Lit  
Yellow  
Collision detected in this segment  
No Collision  
Collision  
Off  
Lit  
A valid link is established  
Data packets received  
No link is established  
This port is patitioned  
This port is working normally  
Data packets received  
No activity  
Link/Act  
(RJ45 Port)  
Green  
Flash  
Off  
Lit  
Partition  
(RJ45 Port)  
Red  
Green  
Red  
Off  
Flash  
Off  
Act  
(BNC Port)  
Lit  
No coaxial cable attached  
Cable attached  
Partition  
(BNC Port)  
Off  
Table 4-1 LED description  
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5
Installation  
1. Operating Environment  
ER-5390S must be installed and operated within the limits of specified operating  
temperature and humidity (see previous section under Specifications). Do not place  
objects on top of the unit. Do not obstruct any vents at the sides of the unit. Do not  
position the hub near any heating source such as heater, radiator, or direct exposure  
to sun. Prevent entering of water and moisture into the unit. If necessary, use  
dehumidifier to reduce humidity.  
2. Connecting to network devices with UTP cable  
Connect one end of the network cable to any of the RJ-45 ports on the rear panel,  
and connect the other end of the network cable to the RJ-45 port of the network  
device. The network cables must comply with EIA/TIA 568 specifications and  
minimum Category 3 standard for 10Mbps data transmission. Maximum length  
between the hub and workstation is 100 meters (300ft). Once the network cable is  
connected on both ends and the attached network devices are powered on, the green  
LNK/Rx (Link Status) LED should be lit.  
Network  
OUT  
IN  
Category 3  
EIA/TIA 568  
UTP Cable  
Adapter  
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Uplink  
8
7
6
5
4
3
2
1
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1
3
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100m  
Figure 5-1 Connect the hub and network device  
3. Uplink to Another Hub with UTP cable  
Use uplink port to connect to another hub as illustrated in Figure 1-2. Connect one  
end of the network cable to the uplink port and connect the other end to any of the  
regular port in the other hub (except the uplink port). Connecting cable must comply  
with EIA/TIA 568 specifications and Category 3 standards to connect the hubs.  
Once the network cable is connected and both hubs are powered on, the green  
LNK/Rx (Link Status) LED should be lit. Do not use the uplink port and 8th port at  
the same time.  
NOTE : The maximum length of the uplink cable shall not exceed 100 meters (300  
feet).  
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4. Connecting to network devices with coaxial cables  
Attach the T-connector to the BNC port on the rear panel and connect the coaxial  
cables to the both open ends of the T-connector as illustrated in Figure 5-2. If the  
ER-5390S is at either end of the coaxial segment, make sure terminate the open end  
of T-connector with a 50-ohm terminator.  
Note : Do not connect coaxial cable directly to the BNC port without using T-  
connector.  
IN  
OUT  
Uplink  
8
7
6
5
4
3
2
1
Figure 5-2 connect the coaxial cables  
5. Connecting the power  
IN  
O
UT  
Uplink  
8
7
6
5
4
3
2
1
Connect the DC power jack to the DC  
power socket on the rear panel of the  
hub. Connect the power adapter to the  
power outlet. The green Power LED  
on the front panel should be lit.  
Figure 5-3 Connect the external  
power adapter  
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6
Trouble-shooting  
1. Power LED is not lit  
l Check if the external power adapter is plugged into the power outlet. Make sure  
the DC power jack is firmly plugged into the power socket of the hub.  
2. LNK/Rx LED is not lit after connecting to an active workstation  
l Check the power switch of the network devices attached to the hub; make sure  
they are turned ON.  
l Check the network cable; make sure it is properly connected to the hub and the  
network device.  
l Check the network cable; make sure the cable complies with EIA/TIA 568  
specification. Use straight-through minimum Category 3 grade cables.  
l Do not use uplink port to connect to a workstation.  
l The BNC ports Rx LED normally is not lit unless theres data transmission on the  
coaxial cable.  
3. Uplink (8th) ports LNK/Rx LED is not lit after uplink to another hub  
l Check the network cable; make sure it is properly connected to both hubs. One  
end of the cable should be connected to uplink port while the other end of the  
cable should be connected to a regular port. Do not connect the cable to another  
uplink port.  
l Check the network cable; make sure the cable complies with EIA/TIA 568  
specification.  
l Check the length of the network cable does not exceed 100 meters (300 feet).  
l Make sure both hubs are powered ON.  
4. Partition LED is lit  
l Its normal that the BNC ports partition LED is lit when theres no coaxial cable  
is attached. Once the cable is attached, the BNC partition LED shall be off within  
seconds.  
l Check the connected devices. The hub will automatically partition a defective  
Ethernet device which causing excessive errors.  
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5. Collision LED is constantly flashing  
l Remove all the network cables; connect the cables back one by one to isolate the  
source of the collision.  
l Check the network cable, inferior cable quality will result in excessive collision  
and error packets.  
[!] Contact your dealer if problem persist.  
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