Installation Guide
MIL-S3120 4-port 10/100
Dual Speed Switch
MIL-S3130 8-port 10/100
Dual Speed Switch
INTRODUCTION
Thanks for purchasing one of the MIL-S3100 family of
dual speed switches. They provide a dedicated bandwidth
of 10/100 Mbps throughput per port to the desktop. With
features like auto-negotiation and half/full duplex, these
switches offer smooth network migrations and easy
upgrades to network capacity.
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Auto-Negotiation is supported for each port.
One up-link port provided for cascading
Visual diagnostic LED’s supported
Palm size
External power adapter
The MIL-S3100 family of dual speed switches has the
following features:
MS1458TV00ADS
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Complies with IEEE802.3, IEEE802.3U standard
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4 or 8 10/100 Mbps switching ports
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PACKAGE CONTENTS
Before you begin, verify that your package contains the following items:
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4-port or 8-port 10/100 dual speed switch
AC power adapter
Mounting kit for wall mount
Installation guide
HOW TO USE THE 4 OR 8-PORT 10/100 DUAL SPEED SWITCH
LED’s
received or transmitted.
The LED’s on the front panel show the following status:
Amber
A connection is established, and
the 10 Mbps link pulse is detected.
The operation mode is negotiated
at half duplex.
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Status of the switch’s power supply
Connection speed of 10 Mbps or 100 Mbps
Data activity on the segment
Full/half duplex operation mode
Flashing Amber
Off
The port operates in half duplex,
indicating that data is being
received or transmitted.
No link established.
Power
Green
The system detects the power
signal.
OFF
No power.
100 Mbps/Hdx/Act
Green
10 Mbps/Hdx/Act
Green
A good connection is established,
and the 100 Mbps link pulse is
detected. The operation mode is
negotiated at full duplex.
A good connection is established,
and the 10 Mbps link pulse is
detected. The operation mode is
negotiated at full duplex.
Flashing Green
The port operates in full duplex,
indicating that data is being
received or transmitted.
Flashing Green
The port operates in full duplex,
indicating that data is being
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Amber
A good connection is established,
and the 100 Mbps link pulse is
detected. The operation mode is
negotiated at half duplex.
Connecting to a desktop
The ports are used for connecting the switch to the
desktops, to form a small network. You can build the
network as the figure shows. To improve the network
efficiency, it is better to have 200 Mbps full duplex
operation between the server and switch if the LAN
adapter on the server can operate in full-duplex mode.
Flashing Amber
Off
The port operates in half duplex,
indicating that data is being
received or transmitted.
No link established.
RJ-45 10/100 Dual Speed Switching Ports
There are 4 or 8 RJ-45 ports on the front panel. The
10/100 Mbps speed and full/half duplex modes of the
ports are automatically determined when users
connect the switch to 10Base-T and 100Base-TX
devices.
Connecting to a Switch or a Hub
Switch-to-switch or switch-to-hub connections are made
by connecting the uplink port of 10/100 Dual speed switch
to a port of the other hub/switch.
With 100Base-TX, the maximum network length is
approximately 205 meters with UTP cable. The maximum
length between hubs or switch-to-hub is 100 meters.
Uplink Port
One uplink connector (MDI) on the front panel allows
users to connect to a switch or a hub, using straight-
through Category 5 twisted pair cable as figure shown.
WALL MOUNT
Wall
The 4 or 8-port 10/100 Dual speed switch can be mounted
to the wall or to the flat surface
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Screw one of the enclosed 1/2-inch wood screws
into the surface, leaving approximately 1/4-inch of
the threads exposed.
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Hang the switch on the wall using the keyholes
provided on the bottom of the switch.
FCC COMPLIANCE STATEMENT
This equipment generates and uses radio frequency energy and if not installed and used properly, that is, in strict
accordance with the instructions provided with the equipment, may cause interference to radio and TV reception. The
equipment has been tested and found to comply with the limits for a Class A computing device in accordance with the
specifications in Subpart B of Part 15 of FCC rules, which are designed to provide reasonable protection against such
interference in a residential installation. However, there is no guarantee that interference will not occur in a particular
installation. If you suspect this equipment is causing interference, turn your switch on and off while your radio or TV is
showing interference. If the interference disappears when you turn the switch off and reappears when you turn the switch
on, something in the switch is causing interference.
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You can try to correct the interference by one or more
of the following measures:
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Reorient the receiving radio or TV antenna where
this may be done safely.
If necessary, you should consult the place of
purchase or an experienced radio/television
technician for additional suggestions.
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Plug the computer which has the equipment
installed into a different power outlet so that the
equipment and the receiver are on different branch
circuits.
SAFETY INSTRUTIONS
1. This product should be operated from the type of
power source indicated on the marking label. If you
are not sure of the type of power available, consult
your dealer or local power company.
4. If an extension cord is used with this product, make
sure that the total ampere ratings on the products
plugged into the extension cord do not exceed the
extension cord ampere rating. Also make sure that
the total of all products plugged into the wall outlet
does not exceed 15 amperes.
5. Never push objects of any kind into this product
through cabinet slots as they may touch dangerous
voltage points or short out parts that could result in a
risk of fire or electric shock. Never spill liquid of
any kind on the product.
2. This product is equipped with a three-wire
grounding type plug, a plug having a third
(grounding) pin. This plug will only fit into a
grounding type power outlet. This is a safety feature.
If you are unable to insert the plug into the outlet,
contact your electrician to replace your obsolete
outlet. Do not defeat the purpose of the grounding
type plug.
6. Do not attempt to service this product yourself, as
opening or removing covers may expose you to
dangerous voltage points or other risks. Refer all
servicing to servicing to service personnel’s.
3. Do not allow anything to rest on the power cord. Do
not locate this product where persons will walk on
the cord.
TECHNICAL INFORMATION
Standards Compatibility
ISO/IEC 802.2-3
IEEE 802.3
8-port 10/100 Dual Speed Switch
Input Voltage
120 VAC @ 60Hz
or 230 VAC @ 50Hz
12VDC @ 1.2A
11.2 W
IEEE 802.3u
Output Voltage
Power consumption
Interfaces
RJ-45 fully shielded connector for 10Base-T and
100Base-TX Fast Ethernet
4-port 10/100 Dual Speed Switch
Input Voltage
120VAC @ 60Hz
or 230VAC @ 50Hz
12VDC @ 1.2A
8W
Physical
8-port 10/100 Dual Speed Switch
Width
Height
Depth
Weight
Output Voltage
Power consumption
219mm (8.62 in.)
26mm (1.02 in.)
101mm (3.98 in.)
0.8 kg (1.76 lb.)
Environmental Specifications
Operating temperature 0° to 40°C
Storage temperature
Operating Humidity
Storage Humidity
-20° to 70°C
10% to 90% RH
10% to 95% RH
4-port 10/100 Dual Speed Switch
Width
Height
Depth
Weight
158mm (6.22 in.)
26mm (1.02 in.)
101mm (3.98 in.)
0.6 kg (1.32 lb.)
Electromagnetic Emission
FCC Class A, CE Class A, VCCI Class A
Safety Approval
UL/CUL, TUV
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Five-Year Limited Warranty
To Contact Digi
Digi International 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.
For prompt response when calling for service
information, have the following information ready:
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Product serial number and rev
Date of purchase
Vendor or place of purchase
You can reach Digi LAN technical support at
(408) 744-2751.
Digi makes no express or implied warranties including,
but not limited to, any implied warranty of
Or E-mail at [email protected]
merchantability or fitness for a particular purpose, except
as expressly set forth in this warranty. In no event shall
Digi be liable for incidental or consequential damages,
costs, or expenses arising out of or in connection with the
performance of the product delivered hereunder. Digi will
in no case cover damages arising out of the product being
used in a negligent fashion or manner.
Trademarks
Address: 1299 Orleans Drive, Sunnyvale, CA 94089
Voice: (408) 744-2775
Fax: (408) 744-2793
Digi International and the Digi Logo are trademarks of
Digi International. All other products and brands are
trademarks of their respective holders. All rights reserved.
E-mail: [email protected]
Copyright 1999 Digi International
P/N 90000202 Rev A
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