User guide

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2-5
Compaq Netelligent 1017A/B 10Base-T Hub User Guide
Writer:
Chris Seiter
Project:
Hardware Description
Comments:
File Name:
1017A_2.DOC
Last Saved On:
6/26/97 3:05 PM
Port Status Indicators
There are 18 pairs of port status LED indicators. Each pair consists of a
Partition LED (top row) and Link/Traffic LED (bottom row). Each pair (or
column) has a label referring to the port number the LEDs monitor. For
example, the port status LED pairs labeled AUI and BNC monitor the AUI and
BNC ports on the back panel. The other 16 pairs are for the RJ-45 ports on the
front panel of the hub.
Partition
LED Activity Condition Indication
STEADY YELLOW
LIGHT
PARTITION Indicates port partitioning due to a cable error
or other abnormal network condition.
NO LIGHT OFF Port is in good condition.
A port is temporarily partitioned when a line error or too many collisions are
detected on the attached segment. While it is automatically partitioned, the port
continues to transmit data to the segment. However, bad data is not repeated
from the segment. When the problem is corrected or a valid data packet is
received through the port, the port is automatically reconnected. When
partitioning occurs, the port's corresponding Partition LED will be continually
lit (YELLOW light). Otherwise, this LED should be OFF (unlit).
Link/Traffic
LED Activity Condition Indication
STEADY GREEN LIGHT ON Indicates a valid link has been established on this port.
BLINKING GREEN LIGHT ON Indicates the port is receiving packets; blinking is
proportional to the traffic passing through the port.
NO LIGHT OFF No valid link has been established on this port.