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Gigabit Ethernet Switch User Manual

 

 

Chapter 4    Troubleshooting 

 

  
4.1.

 Power LED does

n’t light up. Check the following:   

 

a)

 Check whether the power cord is correctly connected or not. 

 

b)

 Verify that power specification accords with specified rating. 

 

4.2. Link/Act LED doesn’t light up. Problems and solutions may be:   

 

a) 

The  switch  is  not  correctly  connected  to  the  remote  device.  Please 

connect again with a new network cable. 

 

b) 

Network  cable  length  is  beyond  the  standard  range.  Please  reduce  the 

cable  length  between  the  switch  and  device  to  the  standard  range  (The 

standard distance is 100 meters.) or try a shorter cable. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for LKS-SG2419

Page 1: ...Gigabit Ethernet Switch User Manual 1 LinksKey LKS SG2419 Gigabit Ethernet Switch User Manual Rev 1 0 ...

Page 2: ...used from improper use For your safety do not open the unit s shell outer case The unit operates correctly only within 100 240 AC voltage range rating To avoid potential short circuit and malfunction do not expose the unit to humidity heat vibration or dust Operate it in a well ventilated working environment ...

Page 3: ...nce Overview 5 1 4 Package Contents 5 Chapter 2 Installation 6 2 1 Installation Considerations 6 2 2 Installation Methods 6 Chapter 3 Connect Switch to a Terminal 8 Chapter 4 Troubleshooting 9 4 1 Power LED doesn t light up Check the following 9 4 2 Link Act LED doesn t light up Problems and solutions may be 9 Appendix Technical Specifications 10 ...

Page 4: ...x mode full half duplex mode of its link partner and adjust itself for optimal performance 1 2 Features Compliant with IEEE 802 3 IEEE 802 3u IEEE 802 3ab and IEEE 802 3az 24 x 10 100 1000M auto negotiation RJ45 Ports Backplane bandwidth up to 56Gbps for better throughput All ports support wire speed forwarding Auto MDI MDI X on each port IEEE 802 3x flow control in full duplex Backpressure flow c...

Page 5: ...nt Bracket 1 x Product Warranty Card If any of the mentioned items is missing contact your local reseller for immediate replacement Power LED A solid light indicates switch has power while no light indicates switch is incorrectly connected to power outlet or there might be a problem with the power cord or outlet Link Act LED A solid light indicates the corresponding port is correctly connected a b...

Page 6: ...0cm space around the switch for proper heat dissipation 4 Do not put heavy articles on the Switch 5 Make sure there is an over 1 5cm vertical distance between units that overlap each other 6 Ensure operating power supply accords with rated input standard 2 2 Installation Methods There are two ways to physically install the LKS SG2419 24 port Gigabit Switch Set the Switch on an operation desk and m...

Page 7: ...le and well grounded 2 Attach the included mounting brackets to both sides of the switch with the included screws Figure 4 Attach L shaped rack mount bracket to switch 3 Maneuver the bracket to make sure that the slots match and line up with screw holes then insert screws to fix the switch Figure 5 Secure switch in rack ...

Page 8: ...witch to a power outlet nearby using the included power cord Make sure the power supply accords with specified rating 100 240V 50 60Hz Figure 6 Connect switch to a power outlet 2 Connect a RJ45 port on the switch to the PC s NIC port using an Ethernet cable Figure 7 Connect a PC to the switch ...

Page 9: ...fication accords with specified rating 4 2 Link Act LED doesn t light up Problems and solutions may be a The switch is not correctly connected to the remote device Please connect again with a new network cable b Network cable length is beyond the standard range Please reduce the cable length between the switch and device to the standard range The standard distance is 100 meters or try a shorter ca...

Page 10: ...m 1000Base T Cat 5e or better UTP STP up to 100m Port Count 24 x 10 100 1000Mbps RJ 45 Ports Key Features Forwarding Scheme Store and Forward MAC Address Table 8k Packet Filter Forwarding Rate 14880pps 10Mbps wire speed 148800pps 100Mbps wire speed 1488000pps 1000Mbps wire speed MAC Address Learning Auto learning Auto aging Backplane Bandwidth 56Gbps Physical Characteristics AC Input Range 100 240...

Page 11: ...se 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 of the following measures Reorient or relocate the r...

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