Planet DH-1600 Manuale utente
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NOVA100 series
DH-1600
DH-2400
10/100Mbps Auto-Sense
Dual Speed Hub
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Trademarks
Copyright PLANET Technology Corp. 1998.
Contents subject to revision without prior notice.
PLANET is a registered trademark of PLANET
Technology Corp. The information in this manual is
subject to change without notice. All other trademarks
belong to their respective owners.
FCC 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 to
radio communications. Operation of this equipment in
a residential area is likely to cause harmful
interference in which case the user will be required to
correct the interference at his own expense.
Remark
This user's manual is for PLANET NOVA100 series
Dual Speed hub model --
DH-1600
DH-2400
Rev: 1.03 (April, 1998)
Part No: EMDH16/24V3
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Table of Contents
1. INTRODUCTION....................................................................5
ABOUT THIS GUIDE.....................................................................5
CHECK LIST................................................................................5
PRODUCT FEATURES ...................................................................6
2. GENERAL DESCRIPTION.....................................................7
ABOUT DH-1600/ DH-2400........................................................7
FRONT PANEL OF DH-1600/ DH-2400.........................................7
LED Indications....................................................................8
REAR PANEL...............................................................................9
3. INSTALLATION....................................................................11
HARDWARE INSTALLATION........................................................11
GENERAL RULES.......................................................................11
CONNECTING END NODES.........................................................12
HUB TO HUB CONNECTION, THROUGH UPLINK PORT ...................13
CONNECTING THE FIBER-OPTIC MODULE....................................14
CONNECTING THE HUB TO AC POWER.......................................14
4. TROUBLESHOOTING.........................................................17
APPENDIX.................................................................................19
PRODUCT SPECIFICATION ..........................................................19
DH-1600/DH-2400 User’s Manual 5
1. Introduction
About this Guide
Thank you for purchasing this Auto-sense 10/100Mbps
Ethernet Hub -- DH-1600/DH-2400. PLANET's DH-
1600/DH-2400 provides auto-detecting link speeds at 10Mbps
or 100Mbps, per port. Compact in size and light-weight,
utilising the latest VLSI technology to provide high reliability
levels, the units provide a flexible approach to hub deployment.
In this user's guide, you will learn product characteristics, it's
features, and also some basic installation concepts. Please read
the following section carefully before installation.
Check List
Carefully unpack the package and check its contents against the
checklist given below.
•NOVA 100 10/100Mbps 16/24-port Dual Speed hub
•User’s manual
•Power Cord
•Accessories
Please inform your dealer immediately for any wrong, missing,
or damaged part and where possible retain the carton including
the original packing materials, and use them to repack the
product in case there is a need to return it to us for repair.
PLANET NOVA100 Series
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Product Features
♦Compliant with IEEE 802.3u 100Base-TX Class II,
IEEE802.3, 10Base-T standard
♦16/24-port 10/100Mbps Auto-selection
♦One UpLink port for easy hub cascade through UTP
straight cable
♦One slot supports one or two optional Fibre Optical port
for long-distance connectivity
♦Front panel LED indicators for 'at a glance' network
status/diagnostics
♦Fully compatible with all major Network Operating
Systems and Ethernet frame types
♦19" industrial standard, rack-mountable or wall-mountable
DH-1600/DH-2400 User’s Manual 7
2. General Description
About DH-1600/ DH-2400
This section describes the important parts of the NOVA 100
16/24-port Dual Speed hub. It presents front and rear panel
drawings of the product showing the LEDs and connectors.
DH-1600: 16-port 10/100Mbps Dual Speed Hub
DH-2400: 24-port 10/100Mbps Dual Speed Hub
Front Panel of DH-1600/ DH-2400
The following figure shows the front panel of DH-1600/DH-
2400 10/100Base-TX Fast Ethernet hub.
Figure 1. Front Panel of DH-1600
Figure 2. Front Panel of DH-2400
There are 16/24 - RJ-45 ports and one “Uplink”port on the
front panel. Each port is labeled with a port number.
One special port labeled with “Uplink”is converted from
PLANET NOVA100 Series
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port#16/24. You can either use Port#16/24 or the “Uplink”port.
The “Uplink”port is used for connecting another hub through
an ordinary straight-wired twisted-pair cable by running one end
of a straight cable to the “Uplink”port and the other end to
another hub’s standard 'station' port i.e 1-16 or 1-24
On the front panel, there are several LED indicators for
monitoring the device itself, and the network status. At a quick
glance of the front panel, the user will be able to tell if the
product is receiving power; if it is monitoring another hub or
concentrator; or if a problem exists on the network.
LED Indications
The following describes the function of each LED indicator.
LEDs Status Descriptions
PWR
(Power LED) Steady
Green This LED light is located at the left side
on the front panel. It will light up (ON) to
show that the product is receiving power.
Conversely, no light (OFF) means the
product is not receiving power.
10 COL
(Collision
LED)
100 COL
Blink
Red A “collision”in Ethernet, is when two
end nodes transmit at the same time. The
indicator lights up whenever there is a
collision between a directly attached end
node and any other node. 10COL for
10Mbps segment, 100COL for 100Mbps
Segment
DH-1600/DH-2400 User’s Manual 9
LEDs Status Descriptions
LNK/Act
(Link/ Activity
LED)
Steady
Green
/
Blinking
Green
Each RJ45 station port on the hub is
assigned an LED light for monitoring port
"Good Link and Activity". Each LED is
normally OFF after the power on
operation, but will light up steadily to
show “Good Link”.
And flash to show that the receiving
signals are passing into the hub.
100Mbps Steady
Orange Lit indicates 100Mbps device connected
Off indicates 10Mbps device connected
Table 1. Status of LED Indicators
Rear Panel
On the rear panel there is a power AC power connector , power
switch, reset button and one expansion slot. The following
describes the function of each connector and switch.
Figure 3 Rear panel of DH-1600 / DH-2400
PLANET NOVA100 Series
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AC Power Slot
The power cord should be plug into this socket. The AC Adapter
accepts AC power range 90VAC~260VAC.
Power Switch
Power On/OFF switch, make sure you plug in the power cord
tightly before powering on the hub. Power off the hub before
unplugging the power cord
Reset Button
The reset button can be used to force the DH-1600/DH-2400 to
re-configure it's connectivity mode(s).
Expansion Slot
For long distance connections, the DH-1600/DH-2400 can
utilize an optional slide-in fibre-optic module after removal of
the rear module cover.
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