The only certainty in networks today is that bandwidth demands will continue to increase. As more complex and time-sensitive applications such as voice and video are created for... more
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units of a stack of 3Com SuperStack 3 Switch3870 switches. Each SuperStack 3 Switch 3870 has two built-in 10Gbps stacking ports at the rearof the unit. This cabl...
units of a stack of 3Com SuperStack 3 Switch3870 switches. Each SuperStack 3 Switch 3870 has two built-in 10Gbps stacking ports at the rearof the unit. This cabl...
As more complex and time-sensitive applications such as voice and video are created for the desktop, a higher volume of traffic is generated throughout the networ...
The only certainty in networks today is that bandwidth demands will continue to increase. As more complex and time-sensitive applications such as voice and video are created for the desktop, a higher volume of traffic is generated throughout the network. 3Com solutions enhance your network's performance, taking advantage of 3Com's leading edge technologies that keep you one step ahead of the progressing needs for high bandwidth and speed.
Advantages: Reliable, dual speed compatible, built in management Disadvantages: Connectors have begun to rust - might cause problems in the future
...power supplies.
* Allows hot-swappable connection of new hubs/connections.
* Allows up to 8 units to be stacked.
* Includes a lifetime limited warranty.
Specifications
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Dimensions - 1.7 x 17.3 x 12.2 inches / 44 x 440 x 310 mm
Weight - 2.6 Kg
Mounting - Includes brackets for mounting in a standard 19 inch rackmount
Connections/Cables - 24 RJ-45 ports support at least 10BASE-T transmission over Cat 3, 4 or 5 UTP cable, or 100BASE-TX transmission over Cat 5 UTP/STP cable.
Indicators - Power status LED, management usage LED, collision/activity LEDs for both 10 and 100 Mbit segments. Link status LEDs for both 10 and 100 Mbit activity.
Personal experiences using this hub
Although I haven't used any management features included with this 3com hub, I can speak as someone who...
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Advantages: Ebay bargain ! Disadvantages: Only 10 mbps, Only 4 ports
...Bought this on Ebay for a bargain £1 to expand my network. I've since replaced it with another 3Com hub (check out my other reviews), but thought I'd still let you know a little about it.
It's an entry-level, 4 port hub, but only 10BASE-T, rather than the faster 100BASE-TX - that's why I upgraded, so you can connect 4 users together.
There's one (manually switched) MDI-MDIX port to provide simple "in" connection from a server, switch, or hub, and three other female RJ-45 ports to send the network signal out to 3 other items.
The hub has an external power supply and a "CoolCurve" self-cooling design eliminating the need for a noisy fan. Its dimensions (height: 3.6cm, width: 23.1cm, depth: 13.6cm) allow it to fit nicely with other 3Com OfficeConnect units - special stacking clips are available.
It's an "unmanaged" hub, so...
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Advantages: Awesome Value for Money, Great Setup Utility Disadvantages: Not the best looking object in the world!
...of 100 metres. Seeing as this network would have to span two outer walls, I was a little concerned that the unit wouldn't be able to perform. Nevertheless, convinced by my earlier experience with the first one, I pressed ahead and ordered it.
Upon opening the box, the contents were spread out on the table, and once again I was impressed with 3Com's offering. The unit itself, the PSU, rubber feet, a long RJ11 telephone cable, a long RJ45 ethernet cable, and various certification stickers for safety use (if installed in a public/business location).
Following the manual's instructions, I connected the router to the mains and powered on and verified the correct lights were on. I then plugged in the first computer via the ethernet cable and immediately the lights on the front panel indicated a hardwired connection had been made.
Now I...
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This product has not yet been reviewed. 
29.05.2001
07.04.2006
