10BASE-T Ethernet
Mini Hubs
Models DE-809TP
DE-809TC
User’s Guide
Fifth Edition (Jan. 1999)
6DE809TP..05
Printed In Taiwan
RECYCLABLE
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WARRANTIES EXCLUSIVE
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8
Table of Contents
1 INTRODUCTION......................................................................1
2 INSTALLATION
.......................................................................5
M
OUNTING
H
UB ON
W
ALL
...........................................................5
C
ONNECTING
AC P
OWER
A
DAPTER
..............................................7
C
ONNECTING
UTP S
EGMENTS
......................................................8
C
ONNECTING
T
HIN
C
OAXIAL
S
EGMENT
.......................................10
C
ASCADING
H
UBS
T
HROUGH
T
HIN
C
OAXIAL
C
ABLE
....................11
C
ASCADING
H
UBS
T
HROUGH
UTP C
ABLE
...................................12
D
IAGNOSTIC
LED
S
& T
ROUBLESHOOTING
..................................14
A CABLES, CONNECTORS & AC POWER ADAPTERS
.........17
10BASE-T U
NSHIELDED
T
WISTED
-P
AIR
(UTP) C
ABLE
...............17
10BASE2 T
HIN
C
OAXIAL
C
ABLE
...............................................17
AC P
OWER
A
DAPTERS
...............................................................18
B TECHNICAL SPECIFICATIONS
..........................................20
10BASE-T Ethernet Mini Hubs User’s Guide
Introduction 1
1
Introduction
This User’s Guide tells you how to install the following 10BASE-T
Ethernet Mini Hub models:
♦
DE-809TP
(9 UTP ports)
♦
DE-809TC
(8 UTP ports & 1 BNC port)
Port connectors on back panel of Mini Hubs
2 Introduction
The Mini Hubs are the palm-size compact 10BASE-T hubs that
offer all the features of standard equipment rack-mount 10BASE-T
hubs, including automatic port participation, collision detection,
diagnostic LED report, and hub cascading.
Following is a summary of the features of the Mini Hubs:
♦
9-port hubs
. Each Mini Hub provides nine ports. Model DE-
809TP provides nine UTP ports (nine RJ-45 connectors); one of
these ports can be used for either 10BASE-T connection or
cascading with another Mini Hub. Model DE-809TC provides
eight UTP ports (eight RJ-45 connectors) and one BNC port.
♦
Cascading
. Through an “Uplink” switch, a UTP port of the
DE-809TP can be used for cascading with another Mini Hub.
The DE-809TC provides a BNC port for cascading with other
hubs without sacrificing any UTP port.
♦
Backbone connection
. The BNC port on the DE-809TC also
allows the portable Mini Hub to be attached to a coaxial
backbone to be part of a larger network.
♦
Installation flexibility
. The Mini Hub is ideal for a small-size
network with nine or fewer nodes. Its cascading port however
permits the network to expand to 32 ports or more.
♦
Compact, lightweight
. The Mini Hub’s small size makes it
easy to install even at installation sites with tight space. It takes
little space on a desktop, and its light weight allows it to be
easily mounted on a wall.
10BASE-T Ethernet Mini Hubs User’s Guide
Introduction 3
10BASE-T Ethernet Mini Hubs User’s Guide
Installation 5
2
Installation
Mounting Hub on Wall
The Mini Hub can be mounted on a wall. Four mounting slots are
provided on the bottom side of the hub for this purpose. Make sure
that the front panel is exposed to allow you to view the LEDs at
work.
6 Installation
Distance: 155.6 mm / 6.13 in. (top diagram)
Distance: 70.5 mm/2.74 in. (bottom diagram)
10BASE-T Ethernet Mini Hubs User’s Guide
Installation 7
Connecting AC Power Adapter
The Mini Hub uses an external AC power adapter. There is no
power switch. The hub is powered on once the AC power adapter is
connected to an AC power source and the hub’s AC power socket.
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8 Installation
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Connecting UTP Segments
This section describes the connection procedure from a UTP port of
the hub to a UTP port of a station, bridge , router, and other
Ethernet devices. It does not describe the connection to a 10BASE-
T hub. The UTP cable extended from a UTP port is called a UTP
segment, and can be up to 100 meters long.
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