Fast EtherHub-12s User’s Guide
1-2 Product Overview
Basic Features• Transmits data at 100 Mbps for demanding applications
• Conforms to the IEEE 802.3u repeater specification for 100BASE-TX
• Provides 12 RJ-45 100BASE-TX station ports (using MDI-X wiring)
• Port 12 can serve as an MDI-X station port (for connection to network
devices such as workstations or servers) or as an MDI daisy-chain port (for
connection to network devices such as hubs or switches), eliminating the
need for crossover cables
• Supports 100Ω Category 5 shielded or unshielded cable (STP or UTP)
• Friendly design that monitors network utilization, collisions, link and port
partition status
• LED indicator panel including Utilization and Collision rate indicators for
reporting hub activity and facilitating problem diagnosis
• Automatically partitions bad ports to protect the network system
• Automatic polarity detection and correction permits automatic adjustment
for wiring errors
• Plug-and-play operation
• An Alert LED that shows if the fan has failed
The Fast EtherHub-12s also supports the following basic system safeguards:
• This hub features automatic partitioning and reconnection, jabber lockup
protection, and automatic polarity detection for network cabling.