User guide

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Compaq Netelligent 1009B 10Base-T Hub User Guide
Writer:
Chris Seiter
Project:
Introduction
Comments:
File Name:
1009B_1.DOC
Last Saved On:
6/26/97 2:17 PM
Chapter 1
Introduction
The Netelligent 1009B 10Base-T Hub is an 8-port Ethernet hub featuring an on-
board microprocessor designed to monitor network utilization, collisions, link
and port partition status. The hub’s comprehensive LED indicator panel
simplifies installation and network troubleshooting by showing network
utilization and collision levels at the hub ports.
Features
The Netelligent 1009B 10Base-T hub provides the following features:
Automatic Partitioning and Reconnection – automatically isolates a port in
the event of excessive collisions and reconnects the port when normal operation
resumes
Jabber Lockup Protection – automatically stops transmission of abnormal
Ethernet frames that could cause data loss for the network
Automatic Polarity Detection – recognizes and adjusts 10Base-T ports for
attached cable assemblies which may be wired with incorrect polarity on the
receive pair
Eight independent RJ-45 ports – enables network connections using
10Base-T twisted-pair cable
Cascading – lets you connect the 1009B hub to another 1009B or compatible
hub using the hub’s uplink port
BNC Port – lets you connect the hub to 10Base2 (BNC) cabling
IEEE 802.3 Compliant – conforms to IEEE 802.3 repeater specification, as
well as the 10Base-T and 10Base2 standards