E
O
18-Port Rackmount
Ethernet Hub
ER-5398S
User’ s Manual
DIMAX
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 ............................9
1
Introduction
Congratulations on your purchase of Edimax’s 18-port rackmount Ethernet 10Base-T
hub - ER-5398S. Designed to meet small and large 10Base-T network requirements,
ER-5398S is built with 16 RJ-45 ports and two extra auto-detect AUI /BNC coaxial
ports for cascading other 10Base-T hubs, mixing with thin or thick coaxial segments,
or connecting to fiber backbone through fiber transceivers.
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Figure 1-1 ER-5398S Topology
ER-5398S is rackmount size, 1U (1.75 inches) height, it can be installed on an
industry standard 19 inches rack.
An uplink port located right next to the 16th RJ-45 port allows easy connection to
other hubs or switches using regular straight-through cables as illustrated in Figure
1-2.
Uplink Port
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18 PORT/10 Mbps ER-5398
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Figure 1-2 Uplink to another hub
To accommodate various cabling requirements, ER-5398S can be easily integrated
with other 10Base-T hubs in a central 19-inch wiring rack or be placed separately as
stand-alone or distributed workgroup wiring center.
1
2
Features & Specifications
(1) Features
n Comply with IEEE 802.3 10Base-T, 10Base-2 and 10Base-5 Ethernet Standards.
n Support sixteen RJ-45 connectors for 10Base-T connection and two auto-detect
10Base-2 BNC/10Base-5 AUI ports 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 hub’s and individual
port’s status.
n Standard 19" rackmount
n Two-year warranty
(2) Specification
n Standards : IEEE 802.3
n 10Mbps Ports : RJ-45 x 16 & AUI /BNC x 2
n Hub LEDs : Power, Collision, Jabber
n Port LEDs : RJ-45 - Link/Receive, Partition
n Dimensions : 17.4 x 5.55 x 1.75 inches/442 x 141 x 44 mm
n Weight : 4.04 lb./1.833kg
n Power : external full-range, 110-240V AC, 50-60Hz
n Operating Temperature : 32-1310F (0-550C)
n Operating Humidity : 10-95% (Noncondensing)
n Emission : FCC Class A & CE Mark
2
3
Package Contents
n 18-port rackmount Ethernet Hub
n One power cord
n Two T-Connectors
n Rackmount accessories
n User’s manual
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Figure 3-1 Package contents
3
4
Physical Description
(1) Panel
RJ-45 Connectors
LED Panel
18 PORT/10 Mbps ER-5398
10BaseT Ethernet
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DIMAX
Link/Rx
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Uplink Port
Collision LED
Link/Receive LED
18 PORT/10 Mbps ER-5398
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Jabber
LED
10BaseT Ethernet
DIMAX
Link/Rx
Jabber Collision
Power
Partition
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Power LED
Partition LED
100-240VAC 1A
Power
BNC
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AUI
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BNC
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AUI
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BNC Port
ON
BNC
AUI
Ports
Ports
Figure 4-1 Panel description
4
(2) LED
LED
Color Status
Description
Power is supplied
Lit
Green
Power
Off
No power
Lit
Yellow
Collision detected in this segment
No Collision
Collision
Jabber
Off
Lit
Jabber detected in this segment
No Jabber
Red
Off
Lit
A valid link is established
Data packets received
No link is established
This port is patitioned
This port is working normally
Link/Rx
(Link/Receive)
Green
Red
Flash
Off
Lit
Partition
Off
Table 4-1 LED description
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5
Installation
1. Operating Environment
ER-5398S 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 front panel of
ER-5398S, 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
Category 3
EIA/TIA 568
UTP Cable
Adapter
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18 PORT/10 Mbps ER-5398
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10/100 FAST ETHERNET CARD
Jabber Collision
Power
FCC ID
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RTL8139
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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. The maximum length of the uplink cable
shall not exceed 100 meters (300 feet).
NOTE: Do not use the uplink port and 16th port at the same time.
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4. Connecting network devices with coaxial cables
ER-5398S provides two auto-detect
1
2
3
4
Figure 5-2 DIP Switch for
AUI/BNC port
BNC/AUI coaxial ports, each can
function as either BNC or as AUI but
can be used at the same time. A set
of configuration DIP switches are
located between port 1 and port 2,
they can be used to configure the
coaxial port as auto-detect, BNC only
or AUI only as illustrated in Figure 5-2
and Table 5-1.
ON
Port 1
Auto
AUI
Port 2
Auto
BNC
AUI
1
2
ON
ON
ON
OFF
ON
BNC
AUI
OFF
OFF
AUI
OFF
Table 5-1 DIP Switch configuration for
AUI/BNC port
NOTE : The default setting is auto-
detect mode.
When using the BNC port, 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 5-3. If the ER-5398S is at either end of the coaxial segment, make sure
terminate the open end of T-connector with a 50-ohm terminator. When using the
AUI port, firmly attach the AUI transceiver to the AUI port and secure the
transceiver into the socket. The AUI transceiver’s SQE (Heart Beat) should be set
off.
Note : Do not connect coaxial cable directly to the BNC port without using T-
connector.
100-240VAC 1A
Power
BNC
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AUI
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BNC
1
AUI
1
1
ON
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4
Figure 5-3 Connect the coaxial cables
100-240VAC 1A
Power
BNC
2
AUI
2
BNC
1
AUI
1
1
ON
2
3
4
Push to the righthand
side to fix
Figure 5-4 Connect the AUI transceiver
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5. Connecting the power
Connect the power cord to the power socket on the rear panel of the unit. Connect
the power cord to the power outlet and turn on power switch. The green Power LED
on the front panel should be lit.
100-240VAC 1A
Power
BNC
2
AUI
2
BNC
1
AUI
1
1
2
N
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O
Figure 5-5 Connect the power
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6
Trouble-shooting
1. Power LED is not lit
l Check if the power cord is properly connected to the power outlet and the hub.
Make sure the power switch on the hub is turned ON.
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.
3. Uplink (16th) port’s 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 both
uplink ports.
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. AUI/BNC ports do not transmit
l Check the DIP switch setting.
l Check the AUI transceiver; make sure the SQE is set at OFF.
l Check the attachment of coaxial cable; make sure there’s no loose connection.
l Check the coaxial cable; make sure the segment is terminated with 50-ohm
terminator.
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5. Partition LED is lit
l Check the connected devices. The hub will automatically partition a defective
Ethernet device which causing excessive errors.
6. 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.
7. Jabbler LED is constantly flashing
l Check the connected devices. Remove all the network cables; connect the cables
back one by one to isolate the source of the jabber.
[!] Contact your dealer if problem persist.
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