Milan Technology Switch MIL S24002TGXX User Manual

MIL-S24002TGxx  
24-port 10/100/1000 TX  
2 Combo SFP Slots  
Unmanaged Switch  
User Guide  
Rev.B  
08-DEC2005  
 
Content  
1. Introduction ............................................................................. 1  
Features.................................................................................... 1  
Package Contents..................................................................... 2  
2. Hardware Description.............................................................. 3  
Front Panel ............................................................................... 3  
Rear Panel................................................................................ 3  
LED Indicators .......................................................................... 4  
3. Installation ............................................................................... 6  
4. Network Application................................................................ 7  
5. Troubleshooting ...................................................................... 8  
6. Technical Specification........................................................... 9  
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1. Introduction  
The 24-port 10/100/1000 TX plus 2 combo SFP Slots Switch is an ideal solution for solving  
traffic block at the core of the network. It offers 24 x auto-negotiating 10/100/1000Base-T  
Gigabit Ethernet ports that can significantly improve your network backbone performance.  
This Switch will fit into any enterprise level network to act as an exit to the backbone switch.  
It also provides 2 SFP Gigabit port for gigabit network connection.  
The 24-port 10/100/1000 TX plus 2 Combo SFP Slots Switch features Auto MDI/MDIX  
function for each port. [In general, MDI means connecting 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. The switch also features a store-and-forward switching and can auto-learn and  
store source address on a 8K MAC address table.  
Features  
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Compatible with IEEE 802.3 10Base-T, IEEE802.3u 100Base-TX, IEEE802.3z  
gigabit fiber and IEEE802.3ab 1000Base-T  
24 ports gigabit switch with two COMBO SFP SLOTS  
Automatic MDIX for all ports  
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8K entry MAC address table  
9K Jumbo Frame support  
2Mbits Memory buffer  
IEEE802.3x flow control:  
Pause frame for 10/100/1000Mbps full duplex  
Backpressure for 10/100 Mbps half duplex  
2 COMBO SFP SLOTS for SFP transceiver  
Store-and-Forward architecture support  
One DC fan for good ventilation and to increase system heat sink performance  
19 inch Rack mount design  
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Package Contents  
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The 24-port 10/100/1000 TX plus 2 Combo SFP Slots Switch  
Power Cord  
Four Rubber Feet  
User Manual  
The 24-port 10/100/1000 TX plus 2 Combo SFP Slots Switch  
Power Cord  
User Guide  
Rubber Feet  
Figure 1-1. Package Contents  
Compare the contents of your 24-port 10/100/1000 TX plus 2 Combo SFP Slots Switch  
package with the standard checklist above. IF any item is missing or damaged, please  
contact your local dealer for service.  
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2. Hardware Description  
This Section describes the hardware of the 24-port 10/100/1000 TX plus 2 Combo SFP  
Slots Switch.  
The physical dimensions of the 24-port 10/100/1000 TX plus 2 Combo SFP Slots Switch is:  
440 x 224 x 44 mm (W x D x H)  
Front Panel  
The Front Panel of the 24-port 10/100/1000 TX plus 2 Combo SFP Slots Switch consists of  
24 x auto-negotiation 10/100/1000Mbps Ethernet RJ-45 connectors (support Automatic  
MDI/MDIX function), two Combo SFP Slots slot, and LED-indicators (100/1000,  
Link/Activity, Full duplex/Collision) for each Gigabit port and power LED-indicator for unit.  
Figure 2-1. The Front Panel of the 24-port 10/100/1000 TX plus 2 Combo SFP Slots Switch  
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RJ-45 Ports (Auto MDI/MDIX): 24 x auto-negotiation 10/100/1000 Mbps Ethernet  
RJ-45 connectors  
[Auto MDI/MDIX means that you can connect to another switch or workstation without  
changing straight through or crossover cabling.]  
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Combo SFP Slots ports: It is port 23 and 24 and support 3.3V. It auto detects  
between Giga copper and Combo SFP Slots. Combo SFP Slots module is optional.  
There are 2 LED indicators for Combo SFP Slots port œ LNK and ACT. When the  
Combo SFP Slots module is not installed, the port 23 and 24 is the 10/100/1000  
copper only.  
[Note] When the Combo SFP Slots module is installed, Combo SFP Slots have a default  
priority over 10/100/1000 copper port. It doesn‘t matter whether copper port has a valid link.  
When SFP is in the slot copper ports are disabled.  
Rear Panel  
3
 
The 3-pronged power plug, on/off switch, and Ventilation fan are located at the rear Panel  
of the 24-port 10/100/1000 TX plus 2 Combo SFP Slots Switch as shown in Figure 2-2. The  
Switch will work with AC in the range 100-240V AC, 50-60Hz.  
Figure 2-2. Rear panel of the 24-port 10/100/1000 TX plus 2 Combo SFP Slots Switch  
LED Indicators  
The LED Indicators gives a real-time indication of system operating statuses. There are 3  
LED-indicators (1000, LNK/ACT, FDX/COL) for each Gigabit port and one Power LED for  
unit. The following table provides descriptions of LEDs status and their meaning.  
Figure 2-3.LED Indicators  
LED  
Status  
Green  
Off  
Description  
Power On  
Power  
Power is not connected  
Green  
Off  
The port is operating at the speed of 1000Mbps.  
No device attached or in 10/100Mbps mode  
The port is connecting with the device.  
The port is receiving or transmitting data.  
No device attached.  
1000  
Green  
Blinking  
Off  
LNK/ACT  
FDX/COL  
Orange  
The port is operating in Full-duplex mode.  
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Blinking  
Off  
Packet collision occurred on this port.  
No device attached or in half-duplex mode.  
Table 2-1. The Descriptions of LED Indicators  
Combo SFP Slots LED  
2 Combo SFP Slots ports have two LED indicators œ LNK and ACT. The following table  
provides descriptions of LEDs status and their meaning.  
Figure 2-4. Combo SFP Slots port LED Indicators  
LED  
LNK  
Status  
Green  
Off  
Description  
The port is connecting with device.  
No device attached.  
Green  
The port is transmitting or receiving the data.  
No data transmitting or receiving.  
(Blinking)  
ACT  
Off  
Table 2-2. The Descriptions of Combo SFP Slots LED Indicators  
5
 
3. Installation  
This section shows the installation procedures of the switch.  
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 air  
circulation.  
Attaching Rubber Feet  
Make sure mounting surface on the bottom of the Switch is grease and dust free.  
Remove adhesive backing from your Rubber Feet.  
Apply the Rubber Feet to each corner on the bottom of the Switch. These footpads can  
prevent the Switch from shock/vibration.  
Power On  
Connect the cord of power adapter to the power socket on the rear panel of the Switch. The  
other side of power cord connects to the power outlet. Check the power indicator on the  
front panel to see if power is properly supplied.  
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4. Network Application  
This section provides you one sample of network topology in which the 24-port 10/100/1000  
TX plus 2 Combo SFP Slots Switch is used. In general, the 24-port 10/100/1000 TX plus 2  
Combo SFP Slots Switch is designed as a high-bandwidth backbone switch.  
You can use the 24-port 10/100/1000 TX plus 2 Combo SFP Slots Switch to connect  
servers, switches, workstation, and PCs to each other by connecting these devices directly  
to the Switch. The Switch automatically learns node address, which are subsequently used  
to filter and forward all traffic based on the destination address. You can use Gigabit fiber  
port to connect with fiber network that extend the Ethernet network to fiber network.  
For enterprise networks where large data broadcast are constantly processed, this switch is  
an ideal suitable for departmental switches to connect to the Core Switch. All ports can  
connect to departmental switches, and the departmental switches can be connected to the  
24-port 10/100/1000 TX plus 2 Combo SFP Slots Switch. Then all the devices in this  
network can communicate with each other. Connecting servers to the Core Switch allow  
each end station to access the server‘s data. This switch is an ideal solution for backbone  
connectivity.  
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5. Troubleshooting  
The Switch can be easily monitored through panel indicators to assist in identifying  
problems. This section describes common problems you may encounter and where you  
can find possible solutions.  
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Diagnosing LED Indicator  
If Link indicator does not light up after connection, you may check whether network  
interface (e.g., a network adapter card on the attached device), network cable, or switch  
port is defective or not. Verify that the switch and attached device are power on. Be sure the  
cable is plugged into both the switch and corresponding device. Verified the proper cable  
type is used and its length does not exceed specified limits.  
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Power  
IF the power indicator does turn on when the power cord is plugged in, you may have a  
problem with power outlet, or power cord. However, if the Switch powers off after running  
for a while 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.  
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Transmission Mode  
Verify that each port is set to the same transmission mode used by the attached device (i.e.,  
half or full duplex). RJ-45 port uses auto-negotiation to set the transmission mode. If the  
attached device operates at half duplex, the default when auto-negotiation fails, then it does  
not have to support auto-negotiation.  
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Cabling  
RJ-45 ports: Use unshielded twisted-pair (UTP) or shield twisted-pair (STP) cable for  
RJ-45 connections: 100G Category 3,4 or 5 cable for 10Mbps connections or 100G  
Category 5 cable for 100Mbps connections or 4-pair Category 5 copper cabling for  
1000Mbps connection. Also be sure that the length of any twisted-pair connection does not  
exceed 100 meters (328 feet).  
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6. Technical Specification  
The following table provides the technical specification of the 24-port 10/100/1000 TX plus  
2 Combo SFP Slots Switch.  
IEEE802.3 10BASE-T  
IEEE802.3u 100BASE-TX  
Standard  
IEEE802.3z Gigabit fiber  
IEEE802.3ab 1000Base-T  
Protocol  
CSMA/CD  
Technology  
Store-and-Forward switching architecture  
14880 Packets per Second for 10Mbps  
148800 Packets per second for 100Mbps  
1488000 Packets per second for 1000Mbps  
Transfer Rate  
Connector  
RJ-45: 24 ports  
COMBO SFP SLOTS: 2 x 3.3V SFP SLOTS  
MAC Address  
Memory Buffer  
8K  
2Mbits  
10BASE-T: 2 pairs UTP/STP CAT.3, 4, 5 cable EIA/TIA  
568 100Ohm(100M)  
100BASE-TX: 2 pairs UTP/STP CAT. 5 cable EIA/TIA 568  
100Ohm(100M)  
Network Cable  
Gigabit Copper: 4 pairs UTP/STP CAT. 5 cable EIA/TIA  
568 100Ohm(100M)  
System: Power  
Per RJ-45 port: 1000Mbps, Link/Activity, Full duplex/  
collision  
LED  
Combo SFP Slots slot: Link, Activity  
Power Supply  
Power  
Internal power supply, AC 100~240VAC, 50/60 Hz  
47Watts(maximum)  
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Consumption  
Operation  
0
to 45 (32 to 113 )  
Temperature  
Operation  
10% to 90% (Non-condensing)  
Humidity  
Dimension  
440mm(W) x 224mm(D) x 44mm (H)  
FCC Class A, CE, UL, CE/EN60950  
EMI & Safety  
1329 Moffett Park Drive  
Sunnyvale, CA 94089  
USA  
10  
 
Phone: +1.408.744.2775  
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