Advantech EKI-7657C User Manual

EKI-7657C

7+3G port Industrial Managed
Redundant Gigabit Ethernet
Switch

User Manual

Copyright

The documentation and the software included with this product are copyrighted 2007 by
Advantech Co., Ltd. All rights are reserved. Advantech Co., Ltd. reserves the right to make
improvements in the products described in this manual at any time without notice. No part of
this manual may be reproduced, copied, translated or transmitted in any form or by any
means without the prior written permission of Advantech Co., Ltd. Information provided in this
manual is intended to be accurate and reliable. However, Advantech Co., Ltd. assumes no
responsibility for its use, nor for any infringements of the rights of third parties, which may
result from its use.

Acknowledgements

Intel and Pentium are trademarks of Intel Corporation.
Microsoft Windows and MS-DOS are registered trademarks of Microsoft Corp.
All other product names or trademarks are properties of their respective owners.

Part No.
Printed in China

EKI-7657C _Manual_ed1 ii

1st Edition
April 2008

Product Warranty (2 years)

Advantech warrants to you, the original purchaser, that each of its products will be free from
defects in materials and workmanship for two years from the date of purchase.

This warranty does not apply to any products which have been repaired or altered by persons
other than repair personnel authorized by Advantech, or which have been subject to misuse,
abuse, accident or improper installation. Advantech assumes no liability under the terms of
this warranty as a consequence of such events.

Because of Advantech′s high quality-control standards and rigorous testing, most of our
customers never need to use our repair service. If an Advantech product is defective, it will be
repaired or replaced at no charge during the warranty period. For out-of-warranty repairs, you
will be billed according to the cost of replacement materials, service time and freight. Please
consult your dealer for more details.

If you think you have a defective product, follow these steps:

1. Collect all the information about the problem encountered. (For example, CPU speed,
Advantech products used, other hardware and software used, etc.) Note anything
abnormal and list any onscreen messages you get when the problem occurs.

2. Call your dealer and describe the problem. Please have your manual, product, and any
helpful information readily available.

3. If your product is diagnosed as defective, obtain an RMA (return merchandize
authorization) number from your dealer. This allows us to process your return more
quickly.

4. Carefully pack the defective product, a fully-completed Repair and Replacement Order
Card and a photocopy proof of purchase date (such as your sales receipt) in a shippable
container. A product returned without proof of the purchase date is not eligible for
warranty service.

5. Write the RMA number visibly on the outside of the package and ship it prepaid to your
dealer.

iii

Declaration of Conformity
CE

This product has passed the CE test for environmental specifications. Test conditions for
passing included the equipment being operated within an industrial enclosure. In order to
protect the product from being damaged by ESD (Electrostatic Discharge) and EMI leakage,
we strongly recommend the use of CE-compliant industrial enclosure products.

FCC Class A

This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications. Operation of this equipment in a residential
area is likely to cause harmful interference in which case the user will be required to correct
the interference at his own expense.

Technical Support and Assistance

Step 1. Visit the Advantech web site at www.advantech.com/support where you can find

the latest information about the product.

Step 2. Contact your distributor, sales representative, or Advantech’s customer service
center for technical support if you need additional assistance. Please have the
following information ready before you call:

- Product name and serial number

- Description of your peripheral attachments

- Description of your software (operating system, version, application software,
etc.)

- A complete description of the problem

- The exact wording of any error messages

EKI-7657C _Manual_ed1 iv

Safety Instructions

1. Read these safety instructions carefully.

2. Keep this User's Manual for later reference.

3. Disconnect this equipment from any AC outlet before cleaning. Use a damp cloth. Do not
use liquid or spray detergents for cleaning.

4. For plug-in equipment, the power outlet socket must be located near the equipment and
must be easily accessible.

5. Keep this equipment away from humidity.

6. Put this equipment on a reliable surface during installation. Dropping it or letting it fall may
cause damage.

7. The openings on the enclosure are for air convection. Protect the equipment from
overheating. DO NOT COVER THE OPENINGS.

8. Make sure the voltage of the power source is correct before connecting the equipment to
the power outlet.

9. Position the power cord so that people cannot step on it. Do not place anything over the
power cord.

10. All cautions and warnings on the equipment should be noted.

11. If the equipment is not used for a long time, disconnect it from the power source to avoid
damage by transient overvoltage.

12. Never pour any liquid into an opening. This may cause fire or electrical shock.

13. Never open the equipment. For safety reasons, the equipment should be opened only by
qualified service personnel.

14. If one of the following situations arises, get the equipment checked by service personnel:

a. The power cord or plug is damaged.
b. Liquid has penetrated into the equipment.
c. The equipment has been exposed to moisture.
d. The equipment does not work well, or you cannot get it to work according to the user's

manual.

e. The equipment has been dropped and damaged.

f. The equipment has obvious signs of breakage.

15. DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT WHERE THE STORAGE

TEMPERATURE MAY GO BELOW -40℃ (-40℉) OR ABOVE 85 ℃ (185℉). THIS

COULD DAMAGE THE EQUIPMENT. THE EQUIPMENT SHOULD BE IN A
CONTROLLED ENVIRONMENT.

v

Safety Precaution - Static Electricity

Follow these simple precautions to protect yourself from harm and the products from damage.

1. To avoid electrical shock, always disconnect the power from your PC chassis before you
work on it. Don't touch any components on the CPU card or other cards while the PC is
on.

2. Disconnect power before making any configuration changes. The sudden rush of power
as you connect a jumper or install a card may damage sensitive electronic components.

EKI-7657C _Manual_ed1 vi

Contents

Chapter 1 Overview...........................................2

1.1 Introduction.........................................................2

1.1.1 The SFP Advantage .................................. 2

1.1.2 High-Speed Transmissions .......................2

1.1.3 Dual Power Input ....................................... 2

1.1.4 DIDO.......................................................... 2

1.1.5 Flexible Mounting ......................................3

1.1.6 Advanced Protection .................................3

1.1.7 Wide Operating Temperature .................... 3

1.1.8 Easy Troubleshooting................................ 3

1.2 Features.............................................................. 4

1.3 Specification ....................................................... 5

1.4 Packing List ........................................................ 7

1.5 Safety Precaution ............................................... 7

Chapter 2 Installation......................................10

2.1 LED Indicators .................................................. 10

Table 2.1: EKI-7657C LED Definition.......................10

2.2 Dimensions (units: mm) .................................... 11

Figure 2.1: Front View of EKI-7657C ........................11

Figure 2.2: Side View of EKI-7657C..........................12

Figure 2.3: Rear View of EKI-7657C .........................13

Figure 2.4: Top View of EKI-7657C...........................14

2.3 Mounting........................................................... 15

2.3.1 Wall mounting.......................................... 15

Figure 2.5: Combine the Metal Mounting Kit (units:

mm)..............................................................................15

2.3.2 DIN-rail Mounting..................................... 16

Figure 2.6: Installation to DIN-rail Step 1...................16

Figure 2.7: Installation to DIN-rail Step 2...................17

2.4 Network Connection .........................................18

2.5 Connection to a Fiber Optic Network................ 18

Figure 2.8: Transceiver to the SFP module.................18

Figure 2.9: Transceiver Inserted..................................19

Figure 2.10: LC connector to the transceiver..............19

Figure 2.11: Remove LC connector ............................20

Figure 2.12: Pull out from the transceiver...................20

2.6 Power Connection ............................................ 21

Figure 2.13: Pin Assignment of the Power Connector 21

2.7 Wiring the Digital Inputs/Outputs ...................... 22

Figure 2.14: Pin Assignment of the DIDO Connector 22

Chapter 3 Configuration.................................25

3.1 RS-232 Console ............................................... 25

Figure 3.1: Open Hyper Terminal ...............................25

vii Contents

Figure 3.2: COM Port Properties Setting ....................26

Figure 3.3: Login Screen: RS-232 Configuration .......26

Figure 3.4: Command Line Interface ..........................27

3.1.1 Commands Level..................................... 27

Table 3.1: Command Level.........................................27

3.1.2 Commands Set List ................................. 28

Table 3.2: Commands Set List ....................................28

3.1.3 System Commands Set........................... 28

Table 3.3: System Commands Set...............................28

3.1.4 Port Commands Set ................................ 29

Table 3.4: Port Commands Set...................................29

3.1.5 Trunk Commands Set.............................. 30

Table 3.5: Trunk Commands Set................................30

3.1.6 VLAN Commands Set .............................31

Table 3.6: VLAN Commands Set...............................31

3.1.7 Spanning Tree Commands Set ............... 32

Table 3.7: Spanning Tree Commands Set..................32

3.1.8 QOS Commands Set............................... 33

Table 3.8: QOS Commands Set..................................33

3.1.9 IGMP Commands Set.............................. 33

Table 3.9: QOS Commands Set..................................33

3.1.10 Mac/Filter Table Commands Set........... 33

Table 3.10: Mac/Filter Table Commands Set..............34

3.1.11 SNMP Commands Set .......................... 34

Table 3.11: SNMP Commands Set..............................34

3.1.12 Port Mirroring Commands Set............... 35

Table 3.12: Port Mirroring Commands Set.................35

3.1.13 802.1x Commands Set.......................... 35

Table 3.13: 802.1x Commands Set.............................35

3.1.14 TFTP Commands Set............................ 36

Table 3.14: TFTP Commands Set ..............................36

3.1.15 SystemLog, SMTP and Event ............... 36

Table 3.15: SysLog,SMTP,Event Commands Set......36

3.1.16 SNTP Commands Set ........................... 37

Table 3.16: SNTP Commands Set...............................37

3.1.17 X-ring Commands Set ........................... 38

Table 3.17: X-ring Commands Set..............................38

3.2 Web Browser .................................................... 39

Figure 3.5: Type the address in the URL.....................39

Figure 3.6: Web Login Window..................................39

Figure 3.7: Main page..................................................40

3.2.1 System..................................................... 41

Figure 3.8: System Information...................................41

Figure 3.9: IP Configuration........................................42

Figure 3.10: DHCP Server – System Configuration ...43

Figure 3.11: DHCP Server – Client Entries ................44

Figure 3.12: DHCP Server – Port and IP Binding.......44

EKI-7657C _Manual_ed1 viii

Figure 3.13: TFTP – Update Firmware.......................45

Figure 3.14: TFTP – Restore Configuration................46

Figure 3.15: TFTP – Backup Configuration................46

Figure 3.16: Syslog Configuration ..............................47

Figure 3.17: SMTP Configuration...............................48

Figure 3.18: Event Configuration................................49

Figure 3.19: Fault Relay Alarm...................................50

Table 3.18: UTC Timezone.........................................51

Figure 3.20: SNTP Configuration ...............................52

Figure 3.21: IP Security...............................................53

Figure 3.22: User Authentication ................................54

Figure 3.23: Digital Input/Output interface.................56

3.2.2 Port..........................................................57

Figure 3.24: Port Statistics...........................................57

Figure 3.25: Port Control.............................................58

Figure 3.26: 2 work ports with LACP enabled............60

Figure 3.27: 2 work ports with LACP disabled...........60

Figure 3.28: Static trunking group of 2 ports on single

switch...........................................................................61

Figure 3.29: Aggregator Information ..........................61

Figure 3.30: State Activity...........................................62

Figure 3.31: Port Mirroring.........................................63

Figure 3.32: Rate Limiting ..........................................64

3.2.3 Protocol ................................................... 65

Figure 3.33: VLAN Configuration..............................65

Figure 3.34: Port based mode......................................66

Figure 3.35: Port based mode-Add interface...............67

Figure 3.36: Port Based Edit/Delete interface.............68

Figure 3.37: 802.1Q VLAN Configuration.................69

Figure 3.38: Edit Group Configuration interface ........70

Figure 3.39: 802.1Q Group Configuration-Edit..........70

Figure 3.40: RSTP System Configuration interface....72

Figure 3.41: RSTP Port Configuration interface.........73

Figure 3.42: SNMP System Configuration interface...74

Figure 3.43: Trap Configuration interface...................75

Figure 3.44: SNMP V3 Configuration interface .........76

Figure 3.45: QoS Configuration interface...................78

Table 3.19: IGMP types...............................................80

Figure 3.46: IGMP Configuration interface................80

Figure 3.47: X-ring interface.......................................82

Figure 3.48: LLDP Configuration interface................83

3.2.4 Security.................................................... 84

Figure 3.49: 802.1x/Radius System Configuration

interface.......................................................................84

Figure 3.50: 802.1x/Radius - Port Setting interface....85

Figure 3.51: 802.1x/Radius - Misc Configuration

interface.......................................................................86

Figure 3.52: Static MAC Addresses interface.............87

Figure 3.53: MAC Filtering interface..........................88

Figure 3.54: All MAC Address interface ....................88

ix Contents

Figure 3.55: All MAC Address interface ....................89

Figure 3.56: Factory Default interface ........................90

Figure 3.57: Save Configuration interface ..................91

Figure 3.58: System Reboot interface .........................92

Chapter 4 Troubleshooting ............................94

Appendix A Pin Assignment & Wiring...........96

Figure A.1: RJ-45 Pin Assignment..............................96

Figure A.2: EIA/TIA-568B .........................................96

Figure A.3: EIA/TIA-568A.........................................96

Figure A.4: DB 9-pin female connector......................97

Appendix B Compatible SFP Modules.........100

EKI-7657C _Manual_ed1 x

Overview

Sections include:

z Introduction
z Features
z Specifications
z Packing List

CHAPTER

z Safety Precaution

1 Chapter1

Chapter 1 Overview

1.1 Introduction

To create reliability in your network, the EKI-7657C comes equipped with a proprietary
redundant network protocol—X-Ring that was developed by Advantech, which
provides users with an easy way to establish a redundant Ethernet network with ultra
high-speed recovery time less than 10 ms.

Aside from 7 x 10/100Base-TX fast Ethernet ports, the EKI-7657C comes equipped
with 3 combo 10/100/1000 Mbps RJ-45 copper ports or mini-GBIC expansion ports.
Traditional RJ-45 ports can be used for uplinking wide-band paths in short distance (<
100 m), or the appropriate replaceable SFP module can be used for the application of
wideband uploading and long distance transmissions to fit the field request flexibility.
Also, the long MTBF (Mean Time Between Failures) ensures that the EKI-7657C will
continue to operate until a Gigabit network infrastructure has been established, without
requiring any extra upgrade costs.

1.1.1 The SFP Advantage

The EKI-7657C’s three SFP fiber slots provide a lot of flexibility when planning and
implementing a network. The slots can accept any SFP-type fiber module and these
modules are designed for transmitting over distances of either 500m (multi-mode),
10km, 30km, 50km, 70km or 110km (single-mode)—and the slots support SFP
modules for WDM single-fiber transmissions. This means that you can easily change
the transmission mode and distance of the switch by simply pulling out the SFP
module and plugging in a different module. The SFP modules are hot-swappable and
plug-and-play! Also, the fact that the switch has three of these slots, means that the
network manager can, for example, have one 10km module in one slot and one 110km
in the other.

1.1.2 High-Speed Transmissions

The EKI-7657C includes a switch controller that can automatically sense transmission
speeds (10/100 Mbps). The RJ-45 interface can also be auto-detected, so MDI or MDI­X is automatically selected and a crossover cable is not required. All Ethernet ports
have memory buffers that support the store-and-forward mechanism. This assures that
data is properly transmitted.

1.1.3 Dual Power Input

To reduce the risk of power failure, the EKI-7657C provides +12 ~ 48 V
inputs. If there is power failure, EKI-7657C will automatically switch to the secondary
power input.

1.1.4 DIDO

EKI-7657C provides 2 digital inputs and 2 digital outputs. When disconnection of the
specific port was detected, the digital output will activate the connected warning device
to alarm the user. As for the digital inputs, they can integrate sensors into the system
to issue alarms by sending Syslog, SMTP, or SNMP Trap.

dual power

DC

EKI-7657C _Manual_ed1 2

1.1.5 Flexible Mounting

EKI-7657C is compact and can be mounted on a DIN-rail or panel, so it is suitable for
any space-constrained environment.

1.1.6 Advanced Protection

The power line of EKI-7657C supports up to 3,000 V
equipment against unregulated voltage and make systems safer and more reliable.
Meanwhile, 4,000 V
suitable for harsh environments.

ESD protections for Ethernet ports make EKI-7657C more

DC

EFT protection, which secure

DC

1.1.7 Wide Operating Temperature

The operating temperature of the EKI-7657C is between -10 ~ 60 ℃. With such a wide

range, you can use the EKI-7657C in some of the harshest industrial environments that
exist.

1.1.8 Easy Troubleshooting

LED indicators make troubleshooting quick and easy. Each 10/100 Base-TX port has 2
LEDs that display the link status, transmission speed and collision status. Also the
three power indicators P1, P2 and P-Fail help you diagnose immediately.

3 Chapter1

1.2 Features

• 3 Gigabit Copper/SFP combo ports, plus 7 Fast Ethernet ports

• SFP socket for Easy and Flexible Fiber Expansion

• Redundancy: Gigabit X-Ring (ultra high-speed recovery time<10ms), RSTP/STP

(802.1w/1D)

• Management: Web, Telnet, Serial Console, Windows Utility and SNMP

• Control: VLAN/GVRP, QOS, IGMP Snooping, LACP, and Rate Limit

• Security: IP/MAC and port binding, DHCP Server, IP access list, 802.1x, SNMPv3

• Diagnostic: Port Statistic, Port Mirroring, RMON, Trap, SNMP Alert, and Syslog

• Dual 12 ~ 48 V

• Robust mechanism and special heat spreader design

• Supports DIDO function (2 digital inputs/2 digital outputs)

power input and 1 Relay Output

DC

EKI-7657C _Manual_ed1 4

1.3 Specification

Communications

Standard

LAN

Transmission Distance

Transmission Speed

Interface

Connectors

1 x 6-pin removable terminal (power & Relay)
1 x 6-pin removable terminal (DIDO)

LED Indicators

Console

Power

Power Consumption
Power Input
Overload Current Protection
Fault Output

Mechanism

Dimensions (WxHxD)
Enclosure
Mounting

Protection

IEEE 802.3, 802.3ab, 802.3ad, 802.3u, 802.3x,

802.3z

IEEE 802.1ab, 802.1D, 802.1w, 802.1p, 802.1Q,

802.1X
10/100/1000Base-TX, Optional 100Base-FX,
1000Base-SX/LX/LHX/XD/ZX/EZX
Ethernet: Up to 100m (4-wire Cat.5e, Cat.6 RJ-45
cable suggested for Gigabit port)
SFP: Up to 110km (depends on SFP type)
Ethernet: 10/100Mbps, Auto-Negotiation
Gigabit Copper: Up to 1000 Mbps
Gigabit Fiber: Up to 1000Mbps

7 x RJ-45 (Ethernet)
3 x RJ-45/SFP (mini-GBIC) combo ports

System: PWR, PWR1, PWR2, R.M., P-Fail
10/100TX: Link/Activity, Duplex/Collision
Gigabit Copper: Link/Activity, Speed (1000Mbps)
SFP: Link/Activity
RS-232 (RJ-45)

Max. 10 W
2 x Unregulated +12 ~ 48 V

3.5A@12VDC (Re-settable Fuse)
1 Relay Output

79 x 152 x 105 mm
IP30, metal shell with solid mounting
DIN-rail, wall

(0.85A max.)

DC

kits

5 Chapter1

ESD (Ethernet)
Surge (EFT for power)
Reverse Polarity

Environment

Operating Temperature
Operating Humidity
Storage Temperature
Storage Humidity
MTBF

Certifications

Safety
EMC

EN55022, Class A,
EN61000-3-2/3
EN55024
IEC61000-4-2/3/4/5/6/8
EN61000-6-2

Freefall
Shock
Vibration

4,000 V
3,000 V
Present

-10 ~ 60
5 ~ 95% (non-condensing)

-40 ~ 85
0 ~ 95% (non-condensing)
260,818 hours

UL, 60950-1, CAN/CSA-C22.2 No.60950
EU: EN55011, EN61000-6-4

IEC60068-2-32
IEC60068-2-27
IEC60068-2-6

DC

DC

o

C (14 ~ 140oF)

o

C (-40 ~ 185oF)

EKI-7657C _Manual_ed1 6

1.4 Packing List

• 1 x EKI-7657C Industrial Managed Gigabit Ethernet Switch

• 1 x eAutomation Industrial Communication CD-ROM with software, and User manual

• 2 x Wall Mounting Bracket and Screws

• 1 x DIN-rail Mounting Bracket and Screws

• 1 x 8-pin RJ-45 to RS-232 serial cable

• 1 x DC Jack Cable φ2.0/150mm

• 1 x EKI-7657C Startup Manual

1.5 Safety Precaution

Attention IF DC voltage is supplied by an external circuit, please use a protection device

on the power supply input.

7 Chapter1

EKI-7657C _Manual_ed1 8

Installation

Sections include:

z LED Indicators
z Dimensions
z Mounting
z Network Connection

CHAPTER

z Connection to a Fiber Optic Network
z Power Connection

9 Chapter2

Chapter 2 Installation

In this chapter, you will be given an overview of the EKI-7657C hardware installation
procedures.

2.1 LED Indicators

There are few LEDs display the power status and network status located on the front
panel of EKI-7657C, each of them has its own specific meaning shown as below.

Table 2.1: EKI-7657C LED Definition

LED Color Description

PWR Green

R.M. Green

PWR1 Green

PWR2 Green

P-Fail Red

Link/Active
(G7, G9, G10 SFP)

Green

Green
(Upper LED)

On System power on

Off No power input

On The industrial switch is the master of the X-ring group

Off The industrial switch is not the master of the X-ring group

On Power input 1 is active

Off Power input 1 is inactive

On Power input 2 is active

Off Power input 2 is inactive

On

Off Power input 1 and 2 are both active, or no power input

On SFP port is linking

Flashing Data is transmitting or receiving

Off Not connected to network

On The port is operating at speed of 1000M

Off The port is disconnected or not operating at speed of 1000M

Power input 1 or 2 is inactive or port link down
(depends on Fault Relay Alarm configuration)

G7, G9, G10 (RJ-45)

Link/Active
(1 ~ 6 & 8)

Duplex/Collision
(1 ~ 6 & 8)

Green
(Lower LED)

Green

Orange

On Connected to network

Flashing Networking is active

Off Not connected to network

On Connected to network

Flashing Networking is active

Off Not connected to network

On Ethernet port full duplex

Flashing Collision of packets occurs

Off Ethernet port half duplex or not connected to network

EKI-7657C _Manual_ed1 10

2.2 Dimensions (units: mm)

Figure 2.1: Front View of EKI-7657C

11 Chapter2

Figure 2.2: Side View of EKI-7657C

EKI-7657C _Manual_ed1 12

Figure 2.3: Rear View of EKI-7657C

13 Chapter2

Figure 2.4: Top View of EKI-7657C

EKI-7657C _Manual_ed1 14

2.3 Mounting

The EKI-7657C supports two mounting methods: DIN-rail & Wall.

2.3.1 Wall mounting

EKI-7657C can be wall-mounted by using the included mounting kit. Then, hang on the
EKI-7657C to the nails on the wall.
First, use the screws included in the package to combine the EKI-7657C and metal
mounting kit. And then you can install the device firmly via the components, please see
Figure 2.5 as below.

Figure 2.5: Combine the Metal Mounting Kit (units: mm)

15 Chapter2

2.3.2 DIN-rail Mounting

You can also mount EKI-7657C on a standard DIN-rail by steps below.

The DIN-rail kit is screwed on the industrial switch when out of factory. If the DIN-rail kit
is not screwed on the industrial switch, please screw the DIN-rail kit on the switch first.

First, hang the EKI-7657C to the DIN-rail with angle of inclination. See Figure 2.6.

Figure 2.6: Installation to DIN-rail Step 1

EKI-7657C _Manual_ed1 16

Then, let the device down straight to slide over the rail smoothly. See Figure 2.7.

Figure 2.7: Installation to DIN-rail Step 2

17 Chapter2

2.4 Network Connection

The EKI-7657C has 7 x RJ-45 ports that support connection to 10 Mbps Ethernet, or
100 Mbps Fast Ethernet, and half or full duplex operation. EKI-7657C can be
connected to other hubs or switches via a twisted-pair straight-through or crossover
cable up to 100m long. The connection can be made from any TX port of the EKI­7657C (MDI-X) to another hub or switch either MDI-X or uplink MDI port.

The EKI-7657C supports auto-crossover to make networking more easy and flexible.
You can connect any RJ-45 (MDI-X) station port on the switch to any device such as a
switch, bridge or router.

2.5 Connection to a Fiber Optic Network

EKI-7657C has three SFP slots for connecting to the network segment with single or
multi-mode fiber. You can choose appropriate SFP transceiver to plug into the slot.
Make sure the transceiver is aligned correctly and then slide the transceiver into the
SFP slot until a click is heard. You can use proper multi-mode or single-mode fiber
according to the used SFP transceiver. With fiber optic, it transmits speed up to 1000
Mbps and you can prevent noise interference from the system and transmission
distance up to 110 km, depending on the SFP transceiver.

The small form-factor pluggable (SFP) is a compact optical transceiver used in optical
communications for both telecommunication and data communications applications.

Note

The SFP/Copper Combo port can’t be both used at the same time. The SFP port has the
higher priority than the copper port; if you insert the 1000M SFP transceiver (which is
being connected to the remote device) into the SFP port, the connection of the
accompanying copper port will link down.
If you insert the 100M SFP transceiver into the SFP port even without a fiber connection
to the remote, the connection of the accompanying copper port will link down
immediately.

To connect the transceiver and LC cable, please follow the steps shown below:

First, insert the transceiver into the SFP module. Notice that the triangle mark is the
bottom of the module.

Figure 2.8: Transceiver to the SFP module

EKI-7657C _Manual_ed1 18

Figure 2.9: Transceiver Inserted

Second, insert the fiber cable of LC connector into the transceiver.

Figure 2.10: LC connector to the transceiver

19 Chapter2

To remove the LC connector from the transceiver, please follow the steps shown below:

First, press the upper side of the LC connector to release from the transceiver and pull
it out.

Figure 2.11: Remove LC connector

Second, push down the metal loop and pull the transceiver out by the plastic handle.

Figure 2.12: Pull out from the transceiver

EKI-7657C _Manual_ed1 20