D-Link DE-805TP - 10Mbps Ethernet Mini Hub User manual

DE-805TP
5-Port Ethernet
Micro-Hub
User’s Guide
Rev. 04 (Aug., 1997)
6DE-805-TP..04
Printed In Taiwan
RECYCLABLE

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FCC Warning
Class B for Model DE-805TP
FCC ID No: KA2ED3805TP
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful
interference in a residential installation. This
equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there
is no guarantee that interference will not occur in a
particular installation. If this equipment does cause
harmful interference to radio or television reception,
which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the
interference by one or more of the following measures:

•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment
and the receiver.
•Connect the equipment into an outlet on a circuit
different from that to which the receiver is
connected.
•Consult the dealer or an experienced radio/TV
technician for help.
Shielded interface cables must be used in order to
comply with emission limits.
Changes or modifications not expressly approved by
user’s authority to operate this equipment.
VCCI B Warning for Model DE-805TP
CE Class B Warning
Rev. 04 (Aug. 1997)
6DE-805-TP.-.04
Printed in Taiwan

Offices
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1
Installation
Attaching the Hub Stand
A stabilizing stand has been provided with the hub.
It functions as a “foot” to provide a stable installation
on a desktop or other flat surface.
Connecting Power
Use an AC power adapter (optionally available from
your dealer). The AC power adapter provides a
stable source of power for the hub. This User’s
Guide lists the AC power adapters that can be used

2
with the DE-805TP hub. Consult this list if you need
to place an order.
Caution: If you are going to supply your own
AC power adapter, carefully read
the input power specification of the
DE-805TP hub. No fuse is provided
to protect the hub from high input
voltage or sudden power surges.
Using the wrong AC power adapter
may cause irreparable damage to
the hub.
Connecting Twisted-Pair Segments
Each of the hub’s five twisted-pair ports can be used
to connect a station or other device. Use a straight-
through twisted-pair cable with RJ-45 connectors on
both ends.

3
The twisted-pair cable extended from a twisted-pair
port is called a “twisted-pair segment,” and it can be
up to 100 meters long.
Note: To connect port 5 to a computer or
other non-hub device, make sure
that you set the switch on the
bottom of the hub to the “Normal”
position.

4
Connecting Hubs Together
Connecting (cascading) hubs together allows you to
increase the number of ports available to the
network. All stations attached to the cascaded hubs
communicate with each other on the same network.
1. Use port 5 to connect the hubs together. Set this
port to the “Uplink” position using the switch on
the bottom of the hub.
2. Use a straight-through twisted-pair cable,
connect one end to one hub in the “Uplink”
position. Connect the other end to a hub in the
“Normal” position. The length of this cable can
be up to 100 meters.
Note: Do not connect more than four hubs
together. If you must expand the
network to include more ports, use
hubs with higher port densities.
Regardless, the number of

5
cascaded hubs MAY NOT exceed
four unless a bridge is used.

6
Diagnostic LEDs
•Power
If this LED is off, check to be certain you are using
the correct AC power adapter or if the adapter you
are using is damaged. (Note: if the other LEDs are
functioning, then it is possible that the Power LED is
bad and nothing is actually wrong.)
•Collision
Excessive blinking of this LED indicates that the
traffic on the network is heavy. Since there are only
five ports on the DE-805TP, this situation generally
only occurs if multiple hubs are cascaded together. If
network speed is significantly affected, disconnect
non-essential stations or add a bridge.
•Link/Rx
There is one Link/Rx LED for each port. For port 5,
this LED applies only when the port is set to the
“Normal” position. When the LED is on (for each
port), the data link between the port and the node
connected to it is functioning. If a node is connected
and the LED is off, check the cable, connector and
the power status of the node. This LED blinks when
data is being received.