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10/100BASE-TX TO 100BASE-FX
MEDIA CONVERTERS
NC-300D Series
Installation Guide
DOC.060215-NC-300D
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The information contained in this document is subject to change without
prior notice. Copyright (C) All Rights Reserved.
TRADEMARKS
Ethernet is a registered trademark of Xerox Corp.
FCC NOTICE
This device complies with Class B Part 15 the FCC Rules. Operation is
subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference
received including the interference that may cause.
CE NOTICE
Marking by the symbol indicates compliance of this equipment to
the EMC directive of the Europea n Community . Such marking is indica-
tive that this equipment meets or exceeds the following technical standards:
EMC Class B
EN 50081-1/1992 : EN55022, EN61000-3-2, EN61000-3-3
EN 50082-1/1998 : EN61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-5,
EN61000-4-6, EN61000-4-8, EN61000-4-11
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Table of Contents
1. Introduction.........................................................4
1.1 Key Features ................................................................................. 4
1.2 Specifications ................................................................................ 5
1.3 Optical Specifications .................................................................... 8
1.4 Special Functions ........................................................................ 10
2. Installation.........................................................12
2.1 Unpacking .................................................................................... 1 2
2.2 Mounting the Device .................................................................... 12
2.3 Applying Power ............................................................................ 13
2.4 Making TP Port Connection ......................................................... 1 4
2.5 Making FX Port Connection ......................................................... 14
2.6 LED Indicators ............................................................................. 1 6
3. Optional Configuration Settings......................17
3.1 User Inaccessible Jumpers ........................................................ 17
3.1.1 Forwarding Mode Setting JP1 .................................................. 1 8
3.1.2 802.3x Function Setting JP2..................................................... 19
3.1.3 FX Duplex Setting JP3 .............................................................. 19
3.2 JP1-JP3 Factory Default Settings ................................................ 19
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1. Introduction
The 10/100BASE-TX to 100BASE-FX media converter series provides a
media conversion allowing high-speed integration of fiber optic and twistedpair segments. W ith 10BASE-T a nd 100BASE-TX support, the converters
provide seamless translation between Ethernet and Fast Ethernet networks.
A complete set of LEDs allows for quick status verification.
1.1 Key Features
The media converters also provide the following key features:
• Convert speed and media type
• Support full wire speed conversion
• Support 10Mbps and 100Mbps speed on TP connections
• Auto MDI/MDI-X detection function on the TP port
• Auto-negotiation function on the TP port
• Link fault pass through function
• Provide manual configuration settings for TP port to support
connection to non-auto-negotiation devices
• Transparent to 802.1Q VLAN tagged packets
• Far End Fault function on FX port
• Support wide range of fiber options on the FX port
• Support media converter center chassis installation
• Support center chassis management
• Provide user-inaccessible settings for specific system applications
• Low power consumption
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1.2 Specifications
Twisted-Pair Interfa ce (TP Port)
Connector Shielded RJ-45
Pin Assignments Auto MDI/MDI-X detection
Signal Compliance IEEE 802.3 10BASE-T , 802.3u 100BASE-TX
Data Speed 10Mbps or 100Mbps
Duplex Mode Half-duplex or Full-duplex
Configuration Auto-negotiation capable and optional
forced manual settings
Cable T ypes 10Mbps - Category 3, 4, or 5 UTP
100Mbps - Category 5 UTP
Supported Link Distance Up to 100 meters
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Fiber Optic Interface (FX Port)
Signal Compliance IEEE 802.3u 100BASE-FX
Connector SC, ST , MT -RJ, VF-45, LC or Single SC
Data Speed 100Mbps
Duplex Mode Full-duplex and optional half duplex
Cable Types Multimode (MMF) - 50/125, 62.5/125 µm
Single mode (SMF) - 9/125 µm
Supported Link Distance MMF up to 2km
SMF up to 100km
Single SMF WDM up to 40km
Eye Safety compliance IEC825 Class 1
User Accessible Settings (SW)
NO. SETTING STATE FUNCTION
SW1 TP Port Configuration OFF Auto-negotiation (default)
ON Forced mode
SW2 TP Port Duplex OFF Full duplex (default)
O N Half duplex
SW 3 TP Port Speed O FF 100Mbps (default)
ON 10Mbps
SW 4 Link Fault Pass Through O F F Disable (default)
ON Enable
SW 5 Reserved
Optional Settings (User inaccessible JP1-JP3 on board)
NO. SETTING STATE FUNCTION
J P1 Forwarding mode Open Store-and-forward (default)
Short Smart-forward mode
JP 2 802.3x function Open Enable (default)
Short Disable
J P3 FX port duplex Open Full duplex mode (default)
Short Half duplex mode
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