10BASE-T Ethernet
Mini Hubs
Models DE-809TP
DE-809TC
User’s Guide
Fifth Edit ion ( J an. 1999)
6DE809TP..05
Printed I n Ta iwan
RECYCLABLE
WARRANTIES EXCLUSIVE
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Table of Contents
1 INTRODUCTION......................................................................1
2 INSTALLA T ION
M
OUNTING HUB ON WALL
C
ONNECTING
C
ONNECTING
C
ONNECTING THIN COAXIAL SEGMENT
C
ASCADING HUBS THROUGH THIN COAXIAL CABLE
C
ASCADING HUBS THROUGH
D
IAGNOSTIC
.......................................................................5
...........................................................5
AC P
OWER ADAPTER
UTP S
EGMENTS
..............................................7
......................................................8
.......................................10
....................11
LEDS & T
UTP C
ROUBLESHOOTING
...................................12
ABLE
..................................14
A CABLES, CONNECTORS & AC POWER ADAPTERS
10BASE-T U
10BASE2 T
AC P
OWER ADAPTERS
NSHIELDED TWISTED-PAIR
HIN COAXIAL CABLE
...............................................................18
B TECHNICAL SPECIFICATIONS
(UTP) C
...............17
ABLE
...............................................17
..........................................20
.........17
10BASE-T Ethernet Mini Hubs User’s Guide
Introduction
This User’s Guide tells you how to install the following 10BASE-T
Ethernet Mini Hub models:
DE-809TP
♦
DE-809TC
♦
(9 UTP ports)
(8 UTP ports & 1 BNC port)
1
Port connectors on back panel of Mini Hubs
Introduction 1
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 DE809TP provides nine UTP ports (nine RJ-45 connectors); one of
thes e p orts can be used for either 10BASE-T con nection 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 t o 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, light we i g ht
♦
. 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.
2 Introduction
10BASE-T Ethernet Mini Hubs User’s Guide
Introduction 3
10BASE-T Ethernet Mini Hubs User’s Guide
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.
2
Installation 5
Distance: 155.6 mm / 6.13 in. (top diagram)
Distance: 70.5 mm/2.74 in. (bottom diagram)
6 Installation
10BASE-T Ethernet Mini Hubs User’s Guide
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
conn ected to an AC power s ource and the hub’s AC power socket.
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Installation 7
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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 10BASET hub. The UTP cable extended from a UTP port is called a UTP
segment, and can be up to 100 meters long.
8 Installation
10BASE-T Ethernet Mini Hubs User’s Guide
Note that, for Mini Hub model DE-809TP, UTP port labeled “9”
must be in the
Normal
position in order to be connectable to a
station, bridge or router. To connect this port to a UTP port of a
10BASE-T hub, the port must be in the
Uplink
position (see section
Cascading Hubs Through UTP Cable in this chapter for details).
The button to the right of the UTP port labeled “9” is used to switch
between the
Normal
and the
Uplink
position.
Installation 9
Connecting Thin Coaxial Segment
The BNC port on Mini Hub model DE-809TC is used to connect to
a thin coaxial segment. Connect a T-connector to the BNC
conn ector, then connect bot h end s of the T-connect or to the thin
coaxial cable. If the thin coaxial segment terminates at the hub,
attach a 50-ohm terminator to one end of the T-connector.
10 Installation
10BASE-T Ethernet Mini Hubs User’s Guide
Cascading Hubs Through Thin
Coaxial Cable
The BNC port on the Mini Hub model DE-809TC can be used to
cascade hubs together. You may cascade DE-809TC hubs together
through the BNC ports. You may also cascade the DE-809TC with
any other IEEE 802.3 Ethernet standard 10BASE-T hubs equipped
with BNC ports.
You may attach up to thirty nodes to a thin coaxial segment. In this
sense, it is possible to cascade a maximum of thirty hubs together
through the thin coaxial cable.
Be sure to leave a minimum of 0.5 meter (2 feet) of cable between
two BNC ports.
Installation 11
Cascading Hubs Through UTP
Cable
Any of the UTP p orts can be used t o ca s cade hu bs togeth er. Note
that when two UTP ports of two hubs are connected together, the
wires inside the UTP cable must be cr ossed over. See app endix A
for the wire cross-over. Mark all crossed-over UTP cables clearly so
they will not be used by mistake for normal connection.
If you use Mini Hub model DE-809TP, UTP port labeled “9” is
especially designed for hub cascading. When this port is in the
Uplink
position, its signal reception and transmi s sion are reversed.
This allows you to dispense with the trouble of crossing the UTP
cable’s wires. Putting this port in the
by pressing down the button located next to the port.
Note: Never cause a loop when you cascade hubs since this might
cause unpredictable results.
Uplink
position can be done
12 Installation
10BASE-T Ethernet Mini Hubs User’s Guide
Hub cascading: If straight-through UTP cable is
used, one UTP port must be in Uplink posit i on.
Installation 13
Diagnostic LEDs & Troubleshooting
Power
♦
.
ON:
◊
◊
“power good”.
OFF:
“power bad.” Check to see if the AC power adapter
is properl y connected, or if t he correct AC power adapter i s
being used.
DE-809TP
14 Installation
♦
10BASE-T Ethernet Mini Hubs User’s Guide
DE-809TC
Diagnostic LEDs on front panel of Mini Hubs
Collision.
Blinking:
◊
Packet collision is occurring. Packet collisions
are not an abnormal situation. Collisions occur when two
or more computers transmit packets on the network
simultaneously, and a contention takes place on the
network line. The computers should then back off, then
retry transmission. This trial-and-error process is repeated
until no collision takes place. Note: Excessive collisions
may result when multiple hubs are cascaded through a thin
coaxial segment and many stations are connected on the
network.
Off:
◊
No packet collision.
Link/Rx
♦
◊
(for each UTP port).
ON:
Data link between (1) Mini Hub’s UTP port and (2)
node’s or cascad ed hub’s UTP port is successful.
OFF:
◊
(1) No data link or (2) cable disconnected. Check
for bad ca bl e or loose connector s. For ca scaded h ubs, check
to see if UTP cable contains crossed-over wires. Also check
for a “power good” condition at both ends of the
connection. If you suspect that the hub port is damaged,
contact your authorized dealer for service.
Blinking:
◊
Installation 15
Packet recepti on is occurri ng.
♦
♦
♦
Rx
◊
◊
Partition
◊
◊
Partition
◊
◊
(for BNC port).
Blinking:
OFF:
Packet recepti on is occurri ng.
No packet reception.
(for each UTP port).
ON:
The UTP port is being partitioned off due to excessive
packet collisions. Note that the UTP cable between a hub
port and a non-repeater node must contain straight-through
wir e s (no cross-over).
OFF:
Segment has no problem.
(for BNC port).
ON:
The BNC port is being partitioned off due to (1) no
cable is connected, (2) faulty cable or connectors, (3)
excessive packet collisions, (4) a disconnected point
somewhere along the entire thin coaxial cable length, or (5)
unterminated segment. Check all connectors along the
cable length. If segment is not terminated, terminate both
ends with 50-ohm termin a tors.
OFF:
(1) Cable is connected and (2) segment has no
problem.
Uplink
♦
ON:
◊
The “9” UTP port is in the
Uplink
position (cross-
wired).
OFF:
◊
The “9” UTP port is in the
Normal
position
(straight -t hrough wires).
16 Installation
10BASE-T Ethernet Mini Hubs User’s Guide
Cables, Connectors &
AC Power Adapters
10BASE-T Unshielded Twisted-Pair
(UTP) Cable
♦ Cable characteristics: 0.4 - 0.6 mm (22 - 26 AWG) 8-wire
(only 4 wires used for 10BASE-T)
♦ Maximum segment length : 100 m eters
♦ Applicable connectors: RJ-45, Telco-50
A
10BASE2 Thin Coaxial Cabl e
♦ Cable characteristics: 0.2 inch diameter RG-58A/U 50 ohm
♦ Maximum segment length : 185 m eters
♦ Minimum distance between two nodes: 0.5 meter
♦ Maximum number of nodes per segment: 30
Cables, Connectors & AC Power Adapte rs 17
AC Power Adapters
The following lists the specifications of the AC power adapters
supplied by D-Link for use with the Mini Hub. Your Mini Hub
package may contain one of these AC power adapters. If you use an
AC power adapter supplied by yourself, make sure that it complies
with the output power listed below and the input power and plug
(AC power specifications) of your area.
AC power adapter model AD-071A
⇒ Input power: AC 120 volts, 50-60Hz
⇒ Output power: DC 7.5 volts unregulated, 1 A
⇒ Maximum power consumption: 7.5 watts
⇒ Plug: North Amer i ca n stan d a rds
⇒ Safety standards: UL/CSA
AC power adapter model AD-071AD
⇒ Input power: AC 240 volts, 50-60Hz
⇒ Output power: DC 7.5 volts unregulated, 1 A
⇒ Maximum power consumption: 7.5 watts
⇒ Plug: U.K. standa rd
⇒ Safety standard: BSI
AC power adapter model AD-071AB
⇒ Input power: AC 220 volts, 50-60Hz
⇒ Output power: DC 7.5 volts unregulated, 1 A
⇒ Maximum power consumption: 7.5 watts
18 Cables, Connectors & AC Power Adapte rs
10BASE-T Ethernet Mini Hubs User’s Guide
⇒ Plug: German standard
⇒ Safety standard: VDE
AC Power adapter model AD-071AJ
⇒ Input power: AC 100 volts, 50-60Hz
⇒ Output power: DC 7.5 volts unregulated, 1 A
⇒ Maximum power consumption: 7.5 watts
⇒ Safety standard: Japan T-mark
Cables, Connectors & AC Power Adapte rs 19
B
Technical
Specifications
DE-809TP
♦ Standard: IEEE 802.3 10BASE-T.
♦ Medium support: UTP.
♦ Number of UTP ports: 9.
♦ Number of connectors: 9 RJ-45.
♦ Cascading: Switchable straight-through/cross-wired UTP port
(“uplink”) button
♦ Number of diagnostic LEDs: 21
♦ Power requirement: DC 7.5 volts 1 Amp.
♦ Power feeding: through AC power adapter.
♦ Operating temperature: -10° to 55° Celsius.
♦ Humidity: 5% - 95% non-condensing.
♦ Dimensions: 197 x 115 x 28 mm (7.75 x 4.53 x 1. 10 inches)
♦ Weight: 300 ±10 grams (AC power adapter excluded)
♦ Safety: UL/CSA.
♦ EMI: FCC-B, CE-B, VCCI-A, C-Tick, BCIQ
20 Technical Specifications
10BASE-T Ethernet Mini Hubs User’s Guide
DE-809TC
♦ Standard: IEEE 802.3 10BASE-T.
♦ Medium support: thin coaxial, UTP.
♦ Number of UTP ports: 8.
♦ Number of BNC ports: 1.
♦ Number of connectors: 8 RJ-45, 1 BNC.
♦ Number of diagnostic LEDs: 20
♦ Power requirement: DC 7.5 volts 1 Amp.
♦ Power feeding: through AC power adapter.
♦ Operating temperature: -10° to 55° Celsius.
♦ Humidity: 5% - 95% non-condensing.
♦ Dimensions: 197 x 115 x 28 mm (7.75 x 4.53 x 1. 10 inches)
♦ Weight: 350 ±10 grams (AC power adapter excluded)
♦ Safety: UL/CSA.
♦ EMI: FCC-B, CE-B, VCCI-B, C-Tick, BCIQ
Technical Specifications 21
22 Cables, Connectors & AC Power Adapte rs
Offices
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Registrati on Car d
Print, type or use block letters.
Your name: Mr./Ms ____________________________________________________________________________
Organization: ________________________________________________Dept. ____________________________
Your title at organization:________________________________________________________________________
Telephone:_______________________________________ Fax:________________________________________
Organization's full address: ______________________________________________________________________
____________________________________________________________________________________________
Country: _____________________________________________________________________________________
Date of purchase (Month/Day/Year):_______________________________________________________________
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(* Applies to adapters only)
Product was purchased from:
Reseller's name: ______________________________________________________________________________
Telephone:_______________________________________ Fax:________________________________________
Reseller's full address: _________________________________________________________________________
Answers to the following questions help us to support your product:
1. Where and how will the product primarily be used?
†
Home †Office †Travel †Company Business †Home Business †Personal Use
2. How many employees work at installation site?
†
1 employee †2-9 †10-49 †50-99 †100-499 †500-999 †1000 or more
3. What network protocol(s) does your organization use ?
†
XNS/IPX †TCP/IP †DECnet †Other _____________________________
4. What network operating system(s) does your organization use ?
†
D-Link LANsmart †Novell NetWare †NetWare Lite †SCO Unix/Xenix †PC NFS †3Com 3+Open
†
Banyan Vines †DECnet Pathwork †Windows NT †Windows NTAS †Windows '95
†
Other __________________________________________
5. What network management program doe s your organization use ?
†
D-View †HP OpenView/Windows †HP OpenView/Unix †SunNet Manager †Novell NMS
†
NetView 6000 †Other ________________________________________
6. What network medium/media does your organization use ?
†
Fiber-optics †Thick coax Ethernet †Thin coax Ethernet †10BASE-T UTP/STP
†
100BASE-TX †100BASE-T4 †100VGAnyLAN †Other _________________
7. What applications are used on your network?
†
Desktop publishing †Spreadsheet †Word processing †CAD/CAM
†
Database management †Accounting †Other _____________________
8. What category best describes your company?
†
Aerospace †Engineering †Education †Finance †Hospital †Legal †Insurance/Real Estate
†
Manufacturing †Retail/Chainstore/Wholesale †VAR †System house/company
†
Government Transportation/Utilities/Communication †Other__________________
9. Would you recommend your D-Link product to a friend?
†
Yes †No †Don't know yet
_________________________________________________________________________
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