Transition Networks MIL-S4800 Manuale utente

48-port 10/100TX + 1 SFP Gigabit Port and 1

10/100/1000BASET Port

Unmanaged Switch

MIL-S4800

User Manual

Rev. A2

2007-12-28

Regulatory Approval

- FCC Class A

- UL 1950

- CSA C22.2 No. 950

- EN60950

- 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 (89/336/EEC) and the Low Voltage Directive

(73/23/EEC) issued by the Commission of the European Community Compliance with these directives imply conformity to

the following European Norms:

EN55022 (CISPR 22) - Radio Frequency Interference

EN61000-X - Electromagnetic Immunity

EN60950 (IEC950) - Product Safety

Five-Year Limited Warranty

Transition Networks 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.

Transition Networks 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 Transition Networks be liable for incidental or

consequential damages, costs, or expenses arising out of or in connection with the

performance of the product delivered hereunder. Transition Networks will in no case cover

damages arising out of the product being used in a negligent fashion or manner.

Trademarks

The MiLAN logo and Transition Networks trademarks are registered trademarks of Transition Networks in the United

States and/or other countries.

To Contact Transition Networks

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 Transition Networks technical support at:

E-mail: support@transition.com

Telephone: +1.800.260.1312 x 200

Fax: +1.952.941.2322

Transition Networks

6475 City West Parkway

Eden Prairie, MN 55344

United States of America

Telephone: +1.800.526.9267

Fax: : +1.952.941.2322

http://www.milan.com

info@ Transition.com

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 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 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

CE Mark Warning

This is a class-A product. In a domestic environment this product may cause radio

interference in which case the user may be required to take adequate measures.

Introduction

The MIL-S4800 Switch is a multi-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 and is

targeted at workgroup, department or backbone computing environment. The

MIL-S4800 Switch has 48 auto-sensing 10/100Base-TX RJ-45 ports, 1

10/100/1000T port and 1 SFP port for higher connection speed.

Features

Confirm to IEEE802.3 10BASE-T, 802.3u 100BASE-TX,IEEE 802.3ab

1000Base-T IEEE802.3z Gigabit Fiber

48-port 10/100TX plus 1 10/100/1000T port and 1 SFP port

Switch Fabric up to 20Gbps

Non-Blocking Architecture

IEEE802.3x Flow Control

Flow Control with Full Duplex

Back Pressure with Half Duplex

2 x Gigabit uplink port

19” rack mount design

Package Contents

Unpack the contents of the

MIL-S4800 Switch

and verify them against the

checklist below:

(1) MIL-S4800 Switch

(1) Power Cord

(4) Four Rubber Pads

(1) User Manual

(1) Rack Mount Kit

MIL-S4800 Switch Four-Rubber Pads

Rack-mounted Kit Power Cord User Manual

Package Contents

Compare the contents of your MIL-S4800 Switch package with the standard

checklist above. If any item is missing or damaged, please contact the local dealer

for exchanging.

Hardware Description

This Section mainly describes the hardware of the MIL-S4800 Switch and gives a

physical and functional overview on the certain switch.

Physical Dimension

The MIL-S4800 Switch’s physical dimension is 440mm x 225mm x 44mm (W x D

x H).

Front Panel

The Front Panel of the MIL-S4800 Switch consists of 48x 10/100Base-TX RJ-45

ports (Auto MDI/MDIX), 1 10/100/1000T port and 1 SFP port. The LED Indicators

are also located on the front panel of the Switch.

RJ-45 Ports (Auto MDI/MDIX): 48x 10/100 N-way auto-sensing for

10Base-T or 100Base-TX connections.

In general, MDI means connecting to another Hub or Switch while MDIX

means connecting to a workstation or PC. Therefore, Auto MDI/MDIX would

allow connecting to another switch or workstation without changing

non-crossover or crossover cabling.

Giga port: 1 10/1000/100T UTP port and 1 SFP port.

LED Indicators

The LED Indicators gives real-time information of systematic operation status.

The following table provides descriptions of LED status and their meaning.

LED indicators

LED Status Description

Green Power On

Power

OFF Power is not connected

Green The port is connecting with the device

LNK/ACT

Blink The port is receiving or transmitting data

OFF No device attached

Green The port is connecting with the device

Blink The port is receiving or transmitting data

LNK/ACT

(G1)

OFF No device attached

Yellow The port is operating in 1000M mode

Speed

(G1) OFF The port is operating in 10/100M mode or

no device attached

Green The port is connecting with device

Blink The port is transmitting or receiving the

data

LNK/ACT

(G2)

OFF No data transmitting or receiving

The Description of LED Indicators

Rear Panel

The 3-pronged power plug is located at the rear Panel of the MIL-S4800 Switch

as shown in Figure. The Switch will work with AC in the range of 100-240V and

Frequency of 50-60Hz/0.26A. The power plug includes a fuse that it can be

replaced when fuse is burned. If the power plug has problem on the powering,

please check the fuse first for sure.

The Rear Panel of MIL-S4800 Switch

Fuse spec:

Ceramic tube type

Ø5mm x 20mm

2A/250V(MAX)

Desktop Installation

Set the switch on a sufficiently large flat space with a power outlet nearby. The

surface where for putting 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.

Attaching Rubber Pads

1. Make sure mounting surface on the bottom of the switch is grease and dust

free.

2. Remove adhesive backing from the Rubber Pads.

3. Apply the Rubber Pads to each corner on the bottom of the switch. These

footpads can prevent the switch from shock/vibration.

Rack-mounted Installation

The MIL-S4800 Switch comes with a rack-mount kit and can be mounted in an

EIA standard size, 19-inch Rack. The Switch can be placed in a wiring closet with

other equipment. Perform the following steps to rack mount the switch:

1. Position one bracket to align with the holes on one side of the switch and

secure it with the smaller bracket screws. Then attach the remaining bracket

to the other side of the switch.

2. After attached mounting brackets, position the MIL-S4800 switch in the rack

by lining up the holes in the brackets with the appropriate holes on the rack.

Secure the switch to the rack with a screwdriver and the rack-mounting

screws.

[Note] For proper ventilation, allow about at least 4 inches (10 cm) of clearance

on the front and 3.4 inches (8 cm) on the back of the Switch. This is especially

important for enclosed rack installation.

Power On

Connect the power cord to the power socket on the rear panel of the Switch. The

other side of power cord connects to the power outlet. The internal power supply

of the switch works with AC voltage range of 100-240V and Frequency

50~60Hz./0.26A Check the power indicator on the front panel to see if power is

properly supplied.

Troubleshooting

This section is intended to help you solve the most common problems on the

MIL-S4800 Switch.

Incorrect connections

The switch port can auto detect straight or crossover cable when you link switch

with other Ethernet device. For the RJ-45 connector should use correct UTP or

STP cable, 10/100Mbps port use 2 pairs twisted cable and Gigabit 1000T port use

4 pairs twisted cable. If the RJ-45 connector is not correct pin on right position

then the link will fail. For fiber connection, please notice that fiber cable mode

and fiber module should be match.

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 miss-wired 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.

RJ-45 ports: use unshielded twisted-pair (UTP) or shield twisted-pair ( STP )

cable for RJ-45 connections: 100 Category 3, 4 or 5 cable for 10Mbps

connections or 100 Category 5 cable for 100Mbps connections. Also be sure

that the length of any twisted-pair connection does not exceed 100 meters (328

feet). Gigabit port should use Cat-5 or cat-5e cable for 1000Mbps connections.

The length does not exceed 100 meters.

Improper Network Topologies

It is important to make sure have a valid network topology. Common topology

faults include excessive cable length and too many repeaters (hubs) between end

nodes. In addition, you should make sure that your network topology contains no

data path loops. Between any two ends 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 user may encounter and

where you can find possible solutions.

If the power indicator does turn on when the power cord is plugged in, you may

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