EtherWAN EM120 User manual

Media Converter
User’s Manual 1
Preface
This manual describes how to install and use the Fast Ethernet Media
Converter. The Converter introduced here provides one channel media
conversion between:
100Base-FX or WDM 100Base-FX ←→ 100Base-FX or WDM 100Base-FX
The Converter fully complies with IEEE802.3u 100Base-FX standards.
In this manual, you will find:
yProduct overview
yFeatures on the media converter
yIllustrative LED functions
yInstallation instructions
ySpecifications

Media Converter
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Table of Contents
PREFACE...................................................................................1
TABLE OF CONTENTS ..............................................................2
INTRODUCTION ........................................................................3
PRODUCT OVERVIEW ...................................................3
PRODUCT FEATURES ...................................................3
PACKING LIST ..............................................................4
ONE-CHANNEL MEDIA CONVERTER .....................................5
PORTS.........................................................................5
FRONT PANEL &LEDS.................................................5
INSTALLATION .........................................................................6
SELECTING A SITE FOR THE EQUIPMENT .......................6
CONNECTING TO POWER..............................................6
INSTALLING IN A CHASSIS .............................................7
SPECIFICATIONS ......................................................................8
ORDERING INFORMATION ......................................................9

Media Converter
User’s Manual 3
Introduction
The media converter provides one channel for media conversion between:
100Base-FX or WDM 100Base-FX ←→ 100Base-FX or WDM 100Base-FX
It can be used as a stand-alone device or with a standard 19” chassis as
shown below.
Product Overview
<NOTE> The chassis is to be ordered separately.
Product Features
yOne-channel media conversion between:
100Base-FX or WDM 100Base-FX ←→ 100Base-FX or WDM
100Base-FX
yFiber media allows:
Multi-mode fiber using SC, ST, VF-45, MT-RJ, or LC connector
up to 2km
Single-mode fiber using SC connector up to 100km
WDM single-fiber (bi-direction) transceiver: Single-mode WDM
fiber uses SC connector up to 40km
A type: WDM single-fiber (bi-direction) transceiver
transmits with 1310nm wavelength and receives with
1550nm wavelength
B type: WDM single-fiber (bi-direction) transceiver
transmits with 1550nm wavelength and receives with
13100nm wavelength
yFull wire-speed forwarding rate

Media Converter
4 User’s Manual
yFront panel status LEDs
yUsed as a stand-alone device or with a chassis
yHot-swappable when used with a chassis
Packing List
When you unpack this product package, you will find the items listed
below. Please inspect the contents, and report any apparent damage or
missing items immediately to our authorized reseller.
yThe Media Converter
yUser’s Manual
yAC to DC Power Adaptor

Media Converter
User’s Manual 5
One-Channel Media Converter
Ports
For the FX port, it provides options of multi-mode using ST, SC, VF-45,
MT-RJ, or LC connector; single-mode fiber using SC connector; or single
strand fiber WDM single-mode using single SC connector.
Front Panel & LEDs
100Base-FX or WDM 100Base-FX ←→ 100Base-FX or WDM 100Base-FX
LED Indicators
The LED indicators give you instant feedback on status of the converter:
100Base-FX or WDM 100Base-FX ←→ 100Base-FX or WDM 100Base-FX
LEDs State Indication
Steady Power onPWR
Off Power off
Steady
A
valid network connection established,
Transmitting and Receiving
SDA/ SDB
(100FX)
Off Neither valid network connection nor transmitting established

Media Converter
6 User’s Manual
Installation
This chapter gives step-by-step installation instructions for the
Converter.
Selecting a Site for the Equipment
As with any electric device, you should place the equipment 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 113 degrees
Fahrenheit (0 to 45 degrees Celsius).
- The relative humidity should be less than 95 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 equipment receives adequate ventilation. Do not
block the ventilation holes on each side of the equipment or the fan
exhaust port on the side or rear of the equipment.
- The power outlet should be within 1.8 meters of the equipment.
Connecting to Power
yThis Converter is a plug-and-play device.
yConnect the supplied AC to DC power adaptor to the receptacle on the
rear panel of the converter, and then attach the plug into a standard AC
outlet.

Media Converter
User’s Manual 7
Installing in a Chassis
The Converter can be fit into any of the expansion slots on a special
designed chassis.
yFirst, install the converter onto a carrier supplied with the chassis:
Step 1- Unscrew the carrier from the desired expansion slot on the chassis.
Step 2- Fit the converter onto the carrier.
yWhen the converter is completely seated onto the carrier, insert the carrier
to the guide rails of the expansion slot.
yCarefully slide in the carrier until it is fully and firmly fit the chassis. Fasten
the screws on the carrier.
<NOTE> Never insert any converter into the chassis directly without using the
supplied carriers. The carriers allow secure and consistent placement
of the converters into the chassis’ backplane without causing any
damage.

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Specifications
Applicable Standards IEEE 802.3u 100Base-FX
Fixed Ports 2 FX port or WDM FX port
Speed – 100Base-FX 100/200Mbps for half/full-duplex
Forwarding rate 148,810pps for 100Mbps
LED Indicators 2 FX port or WDM FX port:
Per Unit- (1 LED): PWR
FX Port- (2 LEDs): SDA; SDB
Dimensions 80.3mm (W) × 109.2mm (D) × 23.8mm (H)
(3.16” (W) x 4.30” (D) x 0.94” (H))
Weight 150g (0.33lb.)
Power External power adaptor
0.23A @ 12VDC
Power Consumption 2.76W Max.
Operating Temperature 0℃~ 45℃(32℉~ 113℉)
Storage Temperature -10℃~ 70℃(14℉~ 158℉)
Humidity 5 ~ 95%, non-condensing
Emissions FCC Part 15 Class A, CE Mark Class A

Media Converter
User’s Manual 9
Ordering Information
FX port
Connector Type Cabling Segment Distance
SC Multi-Mode Fiber Max. 2 km
ST Multi-Mode Fiber Max. 2 km
VF-45 Multi-Mode Fiber Max. 2 km
MT-RJ Multi-Mode Fiber Max. 2 km
LC Multi-Mode Fiber Max. 2 km
SC Single-Mode Fiber Max. 15 km
SC Single-Mode Fiber Max. 40 km
SC Single-Mode Fiber Max. 75 km
SC Single-Mode Fiber Max. 100 km
Single SC Single fiber strand Single-Mode Fiber Max. 20 km
Single SC Single fiber strand Single-Mode Fiber Max. 40 km