KTI Networks KF-8D Manuale utente
InstallationGuide
10BASE-T/100BASE-TX
8-Port Dual-Speed Hub
Model:KF-8D
DOC.980329-KF8D-K
P/N: 750-0109-001
Ó1998 KTI Networks Inc. All rights reserved. No part of this docu-
mentationmay bereproduced inany form orbyany means orusedto
makeanydirectivework(suchastranslationortransformation)without
permission from KTI Networks Inc.
KTI Networks Inc. reserves the right to revise this documentation
and to make changes in content from time to time without obligation
onthepart of KTI Networks Inc.toprovide notification of suchrevi-
sion or change.
Formore information,contact:
United States KTI Networks Inc.
P.O. BOX 631008
Houston,Texas77263-1008
Phone: 713-2663891
Fax: 713-2663893
BBS: 713-2663015
E-mail:[email protected]
WWW: http://www.ktinet.com/
International Fax: 886-2-26983873
BBS: 886-2-26983913
E-mail:[email protected]
WWW: http://www.ktinet.com.tw/
8-Port Dual-Speed
Ethernet/Fast Ethernet Hub
Installation Guide
DOC.980330-KF8D-NK
P/N: 750-0109-002
The information contained in this document is subject to change without prior no-
tice.
Copyright Ó KTI. All Rights Reserved.
TRADEMARKS
Ethernet is a registered trademark of Xerox Corp.
WARNING:
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 in which case the user will be
required to correct the interference at his own expense.
NOTICE:
(1)The changes or modifications not expressively approved by the party
responsible for compliance could void the user's authority to operate the
equipment.
(2)Shielded interface cables and AC power cord, if any, must be used in order to
comply with the emission limits.
CISPRA COMPLIANCE:
This device complies with EMC directive of the European Community and meets or
exceeds the following technical standard.
EN 55022 - Limits and Methods of Measurement of Radio Interference Characteris-
tics of Information Technology Equipment. This device complies with CISPR Class
A.
WARNING: This is a Class A product. In a domestic environment this product may
cause radio interference in which case the user may be required to take adequate
measures.
CE NOTICE
Marking by the symbol CE indicates compliance of this equipment to the EMC
directive of the European Community. Such marking is indicative that this equip-
ment meets or exceeds the following technical standards:
EN 55022: Limits and Methods of Measurement of Radio Interference characteris-
tics of Information Technology Equipment.
EN 50082/1:Generic Immunity Standard -Part 1: Domestic Commercial and Light Indus-
try.
EN 60555-2: Disturbances in supply systems caused by household appliances and similar
electrical equipment - Part 2: Harmonics.
Table of Contents
Chapter 1 Introduction
Introduction............................................................................... 1
Features ................................................................................... 2
Dual-speed Hub Technology.................................................... 3
Chapter 2 Installation
Unpacking................................................................................. 4
Checking AC Power................................................................. 4
Mounting the Hub ..................................................................... 5
Chapter 3 Making Network Connections
Network Connectors and Rear Switch ................................... 7
RJ-45 Connectors .................................................................... 8
UTPCables ............................................................................... 8
Connecting to Computers ........................................................ 9
Connecting to Network Switch Ports ...................................... 9
Connecting to Hubs................................................................ 10
Chapter 4 Interpreting LED Indicators
LEDInterpretations................................................................. 10
1. Introduction
KF-8D dual-speed Fast Ethernet/Ethernet hub is designed to allow
easy and flexible migration from 10Mbps Ethernet to 100Mbps
Fast Ethernet. The hub complies with IEEE 802.3 and IEEE 802.3u
repeater specifications and supports 10Mbps and 100Mbps con-
nectivity over UTP cabling in the same hub. The hub provides 8
dual-speed TP ports. All of the TP ports support auto-sensing
function that allows the hub to detect the connection speed auto-
matically.
The hub also provides complete diagnostic LED indicators to indi-
cate the activity status of the hub and network ports.
The following figure illustrates the front and rear view of the hub:
1
Features
• Complies with IEEE 802.3 and IEEE 802.3u standard for
Ethernet/Class II Fast Ethernet repeater
• Provides a configuration switch (10M/100M/AUTO) to set all
8 TP ports as 10BASE-T ports, 100BASE-TX ports or 10/100
auto-sensing ports.
• In AUTO mode, each TP port can support either an Ethernet
10Mbps connection or a Fast Ethernet 100Mbps connection
with auto-sensing the connection speed.
• The hub provides one uplink jack that allows easy linking of
two hubs via straight-through UTP cable.
• The TP ports are implemented with auto partition and
reconnecting function to protect the network from failure
caused by consecutive collisions from a specific port.
• The jabber function is implemented to prevent reception of
illegally long packet, which would degrade network perfor-
mance.
• Compact design suitable for small workgroup
• Specifications
Power: +12V 1000mA min.
Dimension: 194 mm x 116 mm x 20 mm (WxDxH)
Temperature: 0oto 40oC when operating
Humidity: 10% to 90% non-condensing when operating
2
Dual-speed Hub Technology
Dual-speed hub is designed to support connections with different
speeds in the same hub. It makes a network planning simpler, espe-
cially when an environment is containing 10Mbps Ethernet and
100Mbps Fast Ethernet technologies. It also allows a smooth mi-
gration from an Ethernet network to a Fast Ethernet network.
A dual-speed hub is actually equipped with one 10Mbps repeater
and one 100Mbps repeater in one hub unit. Each repeater serves
one shared network segment. The repeater receives transmissions
from any of its ports and retransmits them to all its other ports. The
TP port of the hub can auto-sense the speed (10M or 100M) of its
connectionand switch toeither10Mbps shared segmentor100Mbps
shared segment automatically. The internal design of a dual-speed
hub is illustrated as follows:
3
2. Installation
Unpacking
Check to see that you have everything before you start the installation.
• Installation guide
• The hub unit
• One AC power adapter for the hub
• One wall mount kit
Checking AC Power
Before you begin the installation, check the AC voltage of your area.
The AC power adapter which is used to supply the DC power for the
hubshouldhave theACvoltagematchingthecommercialpowervolt-
age in your area. The specifications of the AC power adapter are:
• AC input power: AC power voltage of your area
• DC output power:+12 VDC 1000mA min.
• DC plug type:
4
The power socket for the AC power adapter is located on the rear of
the hub as shown below:
Mounting the Hub
The hub can be placed on a desktop as a stand-alone unit. It also can
be mounted on a wall. The following procedure describes how to
mount the hub onto a wallboard or wood (a stud, heavy wooden
paneling, etc.) using the wall mount kit supplied in the hub package:
1. Using the slot bracket and two washer-head screws in the wall
mount kit, screw the slot bracket onto the bottom of the hub in
any one of the four directions.
2. Using the mount bracket and two pan-head self-tapping screws
in the kit. Screw the mount bracket onto the wall.
5
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