LFH8-S/LFH16-S
Fast Stackable Hubs
Installation Guide
Страница 1: ...LFH8 S LFH16 S Fast Stackable Hubs Installation Guide...
Страница 2: ...ecklist 5 2 2 Planning 100BASE TX Networks 5 2 3 Installation 7 2 4 Mounting 8 2 5 Stacking LFH8 S LFH16 S Hubs 9 2 6 Connecting the LFH Hub 11 CHAPTER 3 LED Indicators 3 1 Power LED 12 3 2 Partition...
Страница 3: ...sion the LFH8 S LFH16 S provides an uplink port that makes it easy to cascade the hub to another Fast Ethernet hub or hub stack The LFH8 S LFH16 S hubs can be placed on a table top or rack mounted and...
Страница 4: ...6 hubs to be stacked together for a total of up to 96 ports Performs preamble regeneration signal retiming and restoration extension of fragmented packets automatic partitioning and jabber truncation...
Страница 5: ...100Mbps ports one crossover Uplink port Two 25 pin stacking connectors Stackable Maximum 6 hub stack stacking cable included LED indicators Power Partition Link Receive and Utilization indi cators Di...
Страница 6: ...use new hubs and new wiring configurations are necessary 10BASE T hubs are incapable of sending or receiving data at 100Mbps so a 100BASE TX network requires a 100BASE TX hub 100BASE TX supports a max...
Страница 7: ...SE TX network diameter Not only does 100BASE TX have a different data transmission scheme it also has different cabling requirements As noted above 100BASE TX requires data grade Category 5 UTP cable...
Страница 8: ...hub Figures 2 1 and 2 2 show the layout of the front panels Figure 2 1 LFH8 S Front Panel Figure 2 2 LFH16 S Front Panel 7 1 2 3 4 5 6 7 8 P W R UTILIZATION PARTITION LINK RECEIVE PORT NO LFH8 S 10 60...
Страница 9: ...than 5 meters Network cable segments can be connected to or disconnected from the LFH hub while the power is on Plugging in or removing network cables while your hub is operating will not interrupt th...
Страница 10: ...nd 16 port hubs The maximum allowable any of LFH8 S and LFH16 S hubs in a stack are 6 hubs When the LFH hubs are stacked together they are counted as a single Fast Ethernet repeater and the entire sta...
Страница 11: ...nnectors on the top LFH hub 3 Connect a stacking cable from the other connector on the middle LFH hub to one of the connectors on the bottom LFH hub Figure 2 5 Stacking Six LFH8 S LFH16 S Hubs 100 240...
Страница 12: ...Make sure that the length of the straight through cable between the LFH hub and the other device does not exceed 100 meters including all patch cables and cross connect wires Make sure that the lengt...
Страница 13: ...ected to the power outlet and is properly inserted into the power connection on the LFH hub Determine whether or not the outlet is functional by plugging another device into the receptacle 3 2 Partiti...
Страница 14: ...it and receive functions of the port will be disabled 3 4 Utilization LEDs The Utilization LEDs is defined to indicate the current traffic utiliza tion of the network This hub supports 6 LEDs to indic...
Страница 15: ...se check the hub configuration settings cables connectors network terminators and other network components for compatibility Write a description of the problem including what problems occurred and whe...
Страница 16: ...his equipment in a residential area is likely to cause interference in which case the user at his or her own expense will be required to take what ever measures may be required to correct the interfer...
Страница 17: ...Hubs Model Number LFH8 S LFH16 S conforms to the following standards EMC EN55022 1988 CISPR 22 1985 Class B EN60555 2 1987 Class A prEN55024 2 1990 IE801 2 1991 4KV CD 8KV AD prEN55024 3 1991 IE801 3...
Страница 18: ...15353 Barranca Parkway Irvine CA 92618 949 453 3990 Fax 949 453 3995 Sales 800 422 7055 Support 800 422 7044 PART NO 900 143 Rev A...
