MiLAN MIL-H1120 Manuale utente
Installation Guide
MIL-H1120 4-Port
Ethernet SOHO Hub
MIL-H1130 8-Port
Ethernet SOHO Hub
Introduction
The MIL-H1100 family of small SOHO Ethernet
hubs brings unmatched flexibility to LAN
environments. These hubs provide your network
with multiple wiring connections for up to 4 or 8
unshielded twisted pair (UTP) ports.
These hubs constantly monitor each port for signal
quality and will automatically disconnect a device
producing noise or excessive collisions. The device
will automatically be reconnected when the error
condition is cleared. Data packets which exceed the
maximum legal length for IEEE802.3 Ethernet
packets are automatically truncated. This prevents a
device from blocking the network by transmitting a
continuous data stream or extra long packet. The
hubs completely retime and restore full-amplitude
waveforms for each retransmitted packet. A full-
length preamble is also generated, insuring packet
integrity across the network. Compact, light and
robust, the 4- or 8-port hub provides the ideal
solution for your small, medium, or large 10Base-T
LAN environment. Now you can truly take
advantage of 10Base-T in your network, and your
installation will be an easy task.
2
Before going any further, examine the package and
make sure that you have all of the items listed
below:
·4- or 8-port Ethernet hub
·Installation Guide
·Power adapter
If you are missing any of these items, contact your
dealer immediately.
Features
·Comply with IEEE802.3
·4 or 8 fully-shielded RJ-45 10Base-T ports
·A slide switch for the 1st port cascading
· Power LED, collision LED, and link/activity LED's
·Automatic partitioning of the faulty ports
·External power supply
·FCC Class A, CE Class A, VCCI Class A
·UL/CUL, TUV
Description
The 4- or 8-port hub is easy to install and requires
no special training. You should, however, read the
following instructions carefully before proceeding
with the installation. Figure 1 and Figure 2 show
the layout of the front panel and rear panel of the
4- or 8-port hub.
3
Caution:
Before you begin the installation, check the AC
power line voltage used in your area. The AC
power adapter that was included with your hub
should match the power supply voltage used in
your area. Using an AC power adapter with an
incorrect AC voltage may damage your hub.
AC input power: equal to the AC power voltage
used in your area.
DC output power: 7.5 V @ 500 mA (4-port)
7.5 V @ 700 mA (8-port)
4
Figure 2. 8-Port Hub: Front Panel and Rear Panel
Figure 1. 4-Port Hub: Front Panel and Rear Panel
10Base-T Station to Hub Connection
Use the following procedure to connect a 10Base-T
Ethernet station to the hub.
·Make sure that the hub's slide switch is selected
to NORMAL mode for the 1st port.
·Connect one end of the cable to the 1st port of
the hub and the other end to the station, as shown
in Figure 3.
Interconnecting Hubs
Note the following when interconnecting two or
more hubs:
·Make sure that the primary hub's switch is set to
UPLINK mode for the 1st port and the secondary
hub's switch is set to NORMAL mode.
·Connect one end of the cable to the 1st port of
the hub and the other end to another hub, as
shown in Figure 4a and Figure 4b.
5
Figure 3. Connecting to Station
LED Indicators
Figure 5 shows the LED indicators, which indicate
the link status of each of the ports, whether the
hub is receiving power and whether there is
network activity.
6
Figure 4a. Interconnecting to Hubs
Figure 4b. Interconnecting to Hubs
Specifications
Standards
IEEE802.3 10Base-T
Network Interface and Cable Specifications
RJ-45 ports for use with 10Base-T cabling
Maximum Segment Lengths
10Base-T (UTP) 100 meters maximum
Indicators
Power LED
Collision LED
Link/activity per port
Physical Dimensions
4-port hub: 100.5 mm x 78 mm x 27 mm
8-port hub: 153 mm x 78 mm x 27 mm
Environment
Operating temperature: 0°C to +40°C
Storage: -20°C to +70°C
7
LED
Power
Collision
Link/activity
COLOR
Green
Amber
Green
STATUS
On
On
On
DESCRIPTION
Power is on
Collision is detected
The 10 Mbps
link pulse is
detected
There is activity
on the segment
Green Flashing
The table below lists the status and descriptions of
the LED's.
Humidity: operating, 10% to 90% RH
External Power Adapter Voltage/frequency:
Input: 120 VAC @ 60 Hz or 230 VAC @ 50 Hz
Output: 7.5 VDC @ 500 mA (4-port)
7.5 VDC @ 700 mA (8-port)
Five-year Limited Warranty
MiLAN Technology warrants to the original consumer or
purchaser that each of its products and all components
thereof, will be free from defects in material and/or
workmanship for a period of five years from the original
factory shipment date. Any warranty hereunder is
extended to the original consumer or purchaser and is not
assignable.
MiLAN Technology makes no express or implied
warranties including, but not limited to, any implied
warranty of merchantability or fitness for a particular
purpose, except as expressly set forth in this warranty. In
no event shall MiLAN Technology be liable for incidental
or consequential damages, costs, or expenses arising out
of or in connection with the performance of the product
delivered hereunder. MiLAN Technology will in no case
cover damages arising out of the product being used in a
negligent fashion or manner.
Trademarks
© 2000 MiLAN, the MiLAN logo and MiLAN
Technology are either trademarks or registered
trademarks of Digi International, Inc. in the United
States and/or other countries. All other Trademarks are
the property of their respective holders.
8
To Contact MiLANTechnology
For prompt response when calling for service
information, have the following information ready:
·Product serial number and rev
·Date of purchase
·Vendor or place of purchase
You can reach MiLAN Technology technical support at:
E-mail: [email protected]
Telephone: +1.408.744.2751
Fax: +1.408.744.2771
MiLAN Technology
1299 Orleans Drive
Sunnyvale, CA 94089-1138
United States of America
Telephone: +1.408.744.2775
Fax: -1.408.744.2793
http://www.milan.com
©Copyright 2000 MiLAN Technology
P/N 90000140 Rev C
9
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