Kingston Technology KNE16SE Manuale utente
Kingston Technology
EtheRx 10BASE-T WorkGroup
and Stackable Ethernet Hubs
User’s Guide
Models: KNE8TP/WG
KNE8TP/SE
KNE16TP/WG
KNE16TP/SE
EtheRx User’s Guide - Rev. B00 Kingston Technology Company
Kingston’s Technology’s
EtheRx 10BASE-T
WorkGroup and Stackable
8-Port and 16-Port
Ethernet Hubs
User’s Guide
Part No. 4460001-001.B00
Kingston Technology Company
17600 Newhope
Fountain Valley, CA 92708
(714) 435-2600
i
EtheRx User’s Guide - Rev. B00 Kingston Technology Company
TABLE OF CONTENTS
Introduction......................................................................................1
Model Types......................................................................2
Special Features ...............................................................3
Package Contents .............................................................3
Design Features ..............................................................................4
Repeater Functions ...........................................................4
Jabber Lock-up Protection ................................................4
Fragment Extension ..........................................................4
Collision Handling..............................................................4
Automatic Partitioning/Reconnection.................................5
Link Test............................................................................5
Hardware Installation .......................................................................6
Front Panel........................................................................6
Power LED..........................................................6
Stacking Ports (SE models only).........................6
Utilization and Collision LEDs .............................7
AUI LED..............................................................7
BNC LED ............................................................7
8 or 16 UTP Port LEDs .......................................8
Cascade Switch ..................................................8
ii
Kingston Technology Company EtheRx User’s Guide - Rev. B00
Rear Panel ...................................................................... 10
BNC Port........................................................... 10
AUI Port ............................................................ 10
8 or 16 UTP Ports ............................................. 10
3-Pin AC Power Jack ........................................ 10
Network Configurations ................................................................. 11
Ethernet 5-4-3 Rule......................................................... 11
Ethernet Star Network..................................................... 11
Linear Bus Network ......................................................... 12
Horizontal Cascading ...................................................... 12
Stacking EtheRx SE Hubs............................................... 13
Appendices.................................................................................... 14
Appendix A Pin Assignments ....................................... 15
UTP Pin Assignments ....................................... 15
AUI Pin Assignments (16-Port models only) ..... 16
Appendix B Cabling Guidelines.................................... 17
Cable Type ....................................................... 17
Cable Wiring Standards .................................... 18
Appendix C Specifications............................................ 19
Appendix D Mounting Templates ................................. 21
Appendix E Product Warranties and Notices ............... 22
How to Reach Kingston .................................... 25
General Information 1
EtheRx User’s Guide - Rev. B00 Kingston Technology Company
Introduction
Intended Audience: This manual assumes that the user has a general working
knowledge of networking principles and architecture and is familiar with
network systems in general.
Congratulations on the purchase of your Kingston EtheRx WorkGroup (WG)
series and Stackable-Enhanced (SE) series 10BASE-T Ethernet hubs. There are
two models for each series: KNE8TP/WG and KNE16TP/WG, 8 and 16-Port
WorkGroup hubs, and KNE8TP/SE and KNE16TP/SE, 8 and 16-Port
Stackable hubs. The SE hubs have the same list of features as the WorkGroup
hubs, but also include stacking ports located on the front panel to stack up to
five (5) SE hubs in the same network segment. The EtheRx WG and SE hubs
are multi-port repeaters that conform to IEEE 802.3 10Mbit/sec CSMA/CD
(Carrier Sense Multiple Access with Collision Detection) Network.
The EtheRx WG and SE hubs support eight (8) or sixteen (16) UTP
(Unshielded Twisted-Pair) ports for 10BASE-T network connections, and one
BNC port for 10BASE2 thin Ethernet connection. The 16-Port models also
include one AUI (Attachment Unit Interface) port for either 10BASE2
Cheapernet, 10BASE5 thick Ethernet connection, 10BASE-T or FOIRL (Fiber
Optic Inter Repeater Link) segment using a proper external transceiver. All
models include: a cascade switch on the last UTP port (Port 8 or Port 16)
which supports both straight-through or crossover cable types by simply
moving the switch on the front panel. The UTP ports use 2-color LEDs to show
three states of operation: link, activity and partition. The AUI and BNC ports
use 2-color LEDs to show two states of operation: activity and partition. The
EtheRx hubs also include utilization and collision LEDs to visually monitor the
level of network traffic and number of collisions in five LED percentage levels.
For the remainder of this manual, these hubs will be referred to collectively as
the EtheRx hubs. When necessary for clarification, the four models will be
differentiated as follows:
• KNE8TP/WG 8-Port WorkGroup hub
• KNE16TP/WG 16-Port WorkGroup hub
• KNE8TP/SE 8-Port Stackable hub
• KNE16TP/SE 16-Port Stackable hub
2 General Information
Kingston Technology Company EtheRx User’s Guide - Rev. B00
Model Types
8-Port Hub Models
LINK / ACTIVITY / PARTITION
Workgroup Hub
PWR
CASCADE
12345678
BNC
UTIL %
COLL %
KNE8TP/WG
KNE8TP/WG 8-Port WorkGroup Hub
LINK / ACTIVITY / PARTITION
Stackable Hub
KNE8TP/SE
PWR
CASCADE
12345678
BNC
UTIL %
COLL %
STACKIN STACKOUT
KNE8TP/SE 8-Port Stackable Hub
16-Port Hub Models
PWRCASCADE
UTIL %
COLL %
91011121314151612345678
LINK / ACTIVITY / PARTITION
AUI BNC
ACTIVITY / PARTITION
Workgroup Hub
KNE16TP/WG
KNE16TP/WG 16-Port WorkGroup Hub
PWR
Stackable Hub
KNE16TP/SE
CASCADE
UTIL %
COLL %
STACKIN STACKOUT
91011121314151612345678
LINK / ACTIVITY / PARTITION
AUI BNC
ACTIVITY / PARTITION
KNE16TP/SE 16-Port Stackable Hub
General Information 3
EtheRx User’s Guide - Rev. B00 Kingston Technology Company
Special Features
•8 or 16 UTP ports for 10BASE-T connection
•1 BNC port for 10BASE2 thin Ethernet connection
•1 AUI port for backbone or mixed media (16-Port models only)
•UTP Link, Activity, and Partition Status LEDs
•BNC Activity and Partition Status LED
•AUI Activity and Partition Status LED (16-Port models only)
•Utilization and Collision LEDs displays network traffic and
number of collisions in five LED percentage levels
•Cascade Switch on last UTP port (Port 8 or 16) to support crossover or
straight-through cable wiring types
•Automatic partition and reconnection
•Full preamble, amplitude, and timing regeneration
•Conforms to IEEE 802.3 Basic Repeater Functions and 802.3i
Twisted-Pair Transceiver Functions
•Apple Mac™OS compatible
•External AC Power Transformer included
•Stacking Ports (SE hubs only) stacks up to 5 hubs on same network
segment for greater UTP port expansion
Package Contents
EtheRx WG and SE hubs should contain the following items:
οOne EtheRx 10BASE-T Ethernet hub
οExternal AC Power Transformer (120VAC or 230VAC)
οBNC T-Connector
ο(4) Rubber Feet
ο5.5” Stacking Cable (SE hubs only)
οUser's Guide
If any of the items are missing or damaged, please contact your Kingston
dealer for a replacement. Be sure the items you receive are genuine Kingston
Technology products. If the Kingston name and logo are not on the front panel
of your unit, it’s not a genuine Kingston product.
4 Design Features
Kingston Technology Company EtheRx User’s Guide - Rev. B00
Design Features
The EtheRx hub complies with the full set of repeater basic functions as
defined by IEEE 802.3, Section 9. These functions include all Repeater
Functions, Signal Regeneration, Jabber Lockup Protection, Fragment
Extension, Collision Handling, Auto Partitioning/Reconnection, and Link Test.
These functions are usually transparent to all network activities and are
summarized below.
Repeater Functions
If any single port senses the start of a valid packet on its receiving line, the
EtheRx hub will re-transmit the received data to all other ports on the network.
The re-transmission of packets complies with the IEEE 802.3 specification in
terms of preamble structure, voltage amplitude, and timing characteristics.
These timing regenerations prevent cumulative signal loss, jitter, and distortion
caused by the network cabling, and allow the EtheRx hubs to be cascaded to
other Ethernet hubs.
Jabber Lock-up Protection
The EtheRx hub implements a built-in MAU jabber lockup protection (MJLP)
scheme to ensure that the network is not disabled due to transmission of
excessively long data packets. This protection scheme will automatically
interrupt excessively long transmissions to prevent jabber lock-up.
Fragment Extension
If the total packet length received by the EtheRx hub is less than 96 bits,
including preamble, then the hub will automatically extend the repeated packet
length to 96 bits by appending a jam sequence to the original fragment. The
extension of a fragmented packet allows the reliable detection of a collision by
all stations attached to the network.
Collision Handling
The EtheRx hub will detect and respond to collision conditions as outlined in
the IEEE 802.3 specifications.
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