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Hub Components
This section provides an overview of the Compaq HB1004 hub’s components including the LED indicators,
Figure 1-1 Compaq HB1004 10Base-T Ethernet Hub Front Panel
RJ-45 Ports
The hub’s four
Serial COM Port
The HB1004 hub contains a serial COM port that uses a male DB9 connector with a standard AT pinout. You can use this port to connect to a workstation for
LED Indicators
The LED panel of the hub helps you monitor the hub’s operation. When you power on the hub, it performs a
Compaq HB1004