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DIMAX
Ethernet Hub
ER-5398S
18-Port Rackmount
Ethernet Hub
User ’ s Manual
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This equipment generates and uses radio frequency energy and if not installed
and used properly, that is, in strict accordance with the instructions provided with
the equipment, may cause interference to radio and TV reception. The
equipment has been tested and found to comply with the limits for a Class A
computing device in accordance with the specifications in Subpart B of Part 15
of FCC rules, which are designed to provide reasonable protection against such
interference in a commercial environment. However, there is no guarantee that
interference will not occur in a particular installation.
If you suspect this equipment is causing interference, turn your hub on and off
while your radio or TV is showing interference to determine the source of the
interference.
You can try to correct the interference by one or more of the following measures:
1. Reorient the receiving radio or TV antenna where this may be done safely.
2. To the extent possible, relocate the radio, TV or the other receiver away
from the equipment.
3. Plug the computer which has the equipment installed into a different power
outlet so that equipment and the receiver are on different branch circuits.
If necessary, you should consult the place of purchase or an experienced radio/
television technician for additional suggestion.
CAUTION : The phone jack cannot be connected to telephone system.
FCC COMPLIANCE STATEMENT
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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
Contents
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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.
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.
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.
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Figure 1-2 Uplink to another hub
Figure 1-1 ER-5398S Topology
1X 2X 3X 4X 5X 6X 7X 8X 13X 14X 15X 16MDI-X9X 10X 11X 12X 16MDI
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18 PORT/10 Mbps ER-5398
10 BaseT Ethernet
1 3 5 7 9
Link/Rx
Partition
CollisionJabber
Power
2 4 6 8 10 12 14 1611 13 15
DIMAX
LEO
MHz
H.D.D.
POWER A B C D
LEO
60
LEO PREDATOR
RESET
TURBO
1X 2X 3X 4X 5X 6X 7X 8X 13X 14X 15X 16MDI-X9X 10X 11X 12X 16MDI
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18 PORT/10 Mbps ER-5398
10 BaseT Ethernet
1 3 5 7 9
Link/Rx
Partition
CollisionJabber
Power
2 4 6 8 10 12 14 1611 13 15
DIMAX
Uplink Port
1X 2X 3X 4X 5X 6X 7X 8X 13X 14X 15X 16MDI-X9X 10X 11X 12X
16MDI
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18 PORT/10 Mbps ER-5398
10 BaseT Ethernet
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Link/Rx
Partition
CollisionJabber
Power
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DIMAX
1X 2X 3X 4X 5X 6X 7X 8X 13X 14X 15X 16MDI-X9X 10X 11X 12X
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18 PORT/10 Mbps ER-5398
10 BaseT Ethernet
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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
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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
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16MDI
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18 PORT/10 Mbps ER-5398
10 BaseT Ethernet
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Link/Rx
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CollisionJabber
Power
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18 PORT/10 Mbps ER-5398
10 BaseT Ethernet
1 3 5 7 9
Link/Rx
Partition
CollisionJabber
Power
2 4 6 8 10 12 14 1611 13 15
1X 2X 3X 4X 5X 6X 7X 8X 13X 14X 15X 16MDI-X9X 10X 11X 12X
16MDI
DIMAX
1 2 3 4
ON
BNC 1BNC 2 AUI 1AUI 2
Power 100-240VAC 1A
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18 PORT/10 Mbps ER-5398
10 BaseT Ethernet
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Power
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Physical Description
(1) Panel
Figure 4-1 Panel description
LED Panel
RJ-45 Connectors
Link/Receive LED
BNC Port
Uplink Port
Partition LED
Jabber
LED
Collision LED
Power LED
BNC
Ports
AUI
Ports
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(2) LED
LED Color Status Description
Power
Partition
Link/Rx
(Link/Receive)
Collision
Green
Green
Red
Yellow
Lit
Off
Lit
Off
Lit
Off
Flash
Lit
Off
Power is supplied
No power
A valid link is established
Data packets received
No link is established
This port is patitioned
This port is working normally
Collision detected in this segment
No Collision
Table 4-1 LED description
Jabber Red
Lit
Off
Jabber detected in this segment
No Jabber
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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.
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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Figure 5-1 Connect the hub and network device
100m
10/100 FAST ETHERNET CARD
FCC ID :
RTL8139
Category 3
EIA/TIA 568
UTP Cable
Network
Adapter
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18 PORT/10 Mbps ER-5398
10 BaseT Ethernet
1 3 5 7 9
Link/Rx
Partition
CollisionJabber
Power
2 4 6 8 10 12 14 1611 13 15
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4. Connecting network devices with coaxial cables
ER-5398S provides two auto-detect
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.
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 Tconnector.
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ON
1 2 3 4
Port 1
Auto
AUI
BNC
AUI
Port 2
Auto
BNC
AUI
AUI
1
ON
ON
OFF
OFF
2
ON
OFF
ON
OFF
Figure 5-2 DIP Switch for
AUI/BNC port
Table 5-1 DIP Switch configuration for
AUI/BNC port
1
2 3 4
ON
BNC 1BNC 2 AUI 1AUI 2
Power 100-240VAC 1A
Figure 5-3 Connect the coaxial cables
1
2 3 4
ON
BNC 1BNC 2 AUI 1AUI 2
Power 100-240VAC 1A
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.
Figure 5-5 Connect the power
1 2 3 4
ON
BNC 1BNC 2 AUI 1AUI 2
Power 100-240VAC 1A
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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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