MiLAN mil-s2400s Manual de usuario
90000396_C
MIL-S2400S
User’s Guide
The MIL-S2400S switch is a twenty four port switch that can be used
to build high-performance switched workgroup networks. This switch
is a store-and-forward device that offers low latency for high-speed
networking. The MIL-S2400S switch has 24 auto-sensing
10/100Base-TX RJ-45 ports with auto MDI/MDIX and features a
"store-and-forward " switching scheme. This allows the switch to
auto-learn and store source address on an 4K-entry MAC address
table. Auto MDI/MDIX allows connection to another switch or work-
station without changing non-crossover or crossover cabling.
1
Regulatory Approval
-FCC Class A
-UL 1950
-CSA C22.2 Number 950
-CE
EN55022 Class A
EN55024
Canadian EMI Notice
This Class A digital apparatus meets all the requirements of the Canadian Interference-Causing
Equipment Regulations.
Cet appareil numerique de la classe A respecte toutes les exigences du Reglement sur le materiel
brouilleur du Canada.
European Notice
Products with the CE marking comply with both the EMC Directive (89/336EEC) and the Low Voltage
Directive (73/23EEC) issued by the commisions of the European Community. Compliance with these
directives implies conformity to the following European norms:
-EN55022 (CISPR 22) - Radio Frequency Interference
-EN61000-X - Electromagnetic Immunity
Trademarks
© 2003 MiLAN, the MiLAN logo and MiLAN Technology are either trademarks or registered
trademarks of MiLAN Technology in the United States and/or other countries. All other
trademarks are the property of their respective holders.
To Contact MiLAN Technology
For prompt response when calling for service information, have the following information ready:
-Product serial number and revision
-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
1329 Moffett Park Drive
Sunnyvale, CA 94089
United States of America
Telephone: +1.408.744.2775
Fax: +1.408.744.2793
http://www.milan.com
Five-Year Limited Warranty
MiLAN Technology warrants to the original consumer or purchaser that each of it's 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 mer-
chantability 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.
• Cabling
RJ-45 ports: Use unshielded twisted-pair (UTP) or shield
twisted-pair (STP) cable for RJ-45 connections:
Category 3, 4 or 5 cable for 10Mbps connections or
Category 5 cable for 100Mbps connections. Also be sure
that the length of any twisted-pair connection does not
exceed 100 meters (328 feet).
Technical Specification
7
2
Troubleshooting
This section is intended to help you solve the most common prob-
lems on the MIL-S2400S switch.
Incorrect connections
• Faulty or loose cables
Look for loose or obviously faulty connections. If they
appear to be OK, make sure the connections are snug. If
that does not correct the problem, try a different cable.
• Non-standard cables
Non-standard and miswired cables may cause numerous
network collisions and other network problem, and can
seriously impair network performance. A category 5 cable
tester is a recommended tool for every 100Base-T network
installation.
• Improper Network Topologies
It is important to make sure that you have a valid network
topology. You should make sure that your network topolo-
gy contains no data path loops. Between any two-end
nodes, there should be only one active cabling path at any
time. Data path loops will cause broadcast storms that will
severely impact your network performance.
Diagnosing LED Indicators
The switch can be easily monitored through panel indicators to assist
in identifying problems, which describes common problems you may
encounter and where you can find possible solutions.
If the power indicator does not turn on when the power cord is
plugged in, you may have a problem with power cord. Check for
loose power connections, power losses or surges at power outlet. If
you still cannot resolve the problem, contact your local dealer for
assistance.
Features
• Conforms to 802.3, 802.3u, and 802.3x standard.
• 24 auto-sensing 10/100Mbps Ethernet RJ-45 ports.
• Automatic MDI/MDIX crossover for 10Base-T and 100Base-TX
ports.
• Auto-negotiation supported.
• Back-Pressure-Base flow control on Half-duplex ports.
• Pause-Frame-Base flow control on Full-duplex ports.
• Store-and-forwarding switching architecture for abnormal packet
filtering.
• Full wire speed forwarding rate with 1.25Mb memory buffer.
• 4K-entry MAC address table.
• LED-indicators for Power, Link/Active.
Package Contents
Unpack the contents of the MIL-S2400S switch and verify them
against the checklist below.
• MIL-S2400S switch
• Power Cord.
• User Guide
Compare the contents of your MIL-S2400S switch package with the
standard checklist above. If any item is missing or damaged, please
contact your local dealer for service.
6 3
Hardware Description
Front Panel
The Front Panel of the MIL-S2400S switch consists of 24
10/100Base-TX RJ-45 ports The LED Indicators are also located on
the front panel of the switch.
RJ-45 Ports (Auto MDI/MDIX): 24 10/100 auto-sensing for
10Base-T or 100Base-TX connections. (In general, MDI means con-
necting to another hub or switch while MDIX means connecting to a
workstation or PC. Therefore, auto MDI/MDIX means that you can
connect to another switch or workstation without changing non-
crossover or crossover cabling.)
LEDs Indicators
The LED Indicators give real-time information of system operation
status. The following table provides descriptions of LED status and
their meaning.
LED Status Description
Power Green Power On
Off Power is not connected
LK/ACT Green The port is connected with
operating device.
Blinks The port is receiving or
transmitting data.
Off No device attached.
4
Rear Panel
The 3-pronged power plug is located at the rear Panel of the MIL-
S2400S switch as shown below. The switch will work with AC in the
range 100-240V AC, 50-60Hz
Desktop Installation
Set the switch on a sufficiently large flat space with a power outlet
nearby. The surface where you put your switch should be clean,
smooth, level and sturdy. Make sure there is enough clearance
around the switch to allow attachment of cables, power cord and
allow air circulation.
Power ON
Connect the power cord to the power socket on the rear panel of the
switch. The internal power supply in the switch works with AC in the
voltage range 100-240VAC, frequency 50~60Hz with a power cord.
Check the power indicator on the front panel to see if power is prop-
erly supplied.
5
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