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Model DS508/DS516/DS524 Dual Speed Stackable Hub Installation Guide
Front-Panel LEDs
The Model DS508, DS516, and DS524 hubs provide front-panel LEDs for monitoring individual
ports and hub status. The following table describes the front-panel LEDs and their functions.
Vista RJ-45 Network Ports with Built-In LEDs
The front panel of the Model DS508 hub provides 8 vista RJ-45 network ports, the Model DS516
hub provides 16 vista RJ-45 network ports, and the Model DS524 provides 24 vista RJ-45
network ports. These standard RJ-45 connectors accept two-pair or four-pair Category 5
unshielded twisted-pair (UTP) copper wiring (only two pairs are used). The RJ-45 connector uses
an 8-pin interface. Two LEDs are positioned at the top corners of each RJ-45 connector. The left
indicator is the 100 Mbps Link/Receive LED, and the right indicator is the 10 Mbps Link/Receive
LED.
Label
Color Activity Description
Power
Green On Power is supplied to the hub.
Collision
10 Mbps Amber On Data collision is occurring on the 10 Mbps network segment
(some collisions are normal).
100 Mbps Amber On Data collision is occurring on the 100 Mbps network
segment (some collisions are normal).
Utilization%
10 Mbps Green Blinking Indicates the amount of data traffic on the 10 Mbps segment.
(If a 100 Mbps user is sending data to a 10 Mbps user, 10
Mbps utilization will be high.)
100 Mbps Green Blinking Indicates the amount of data traffic on the 100 Mbps
segment.
10M or 100M
Link/Receive
(built into each
vista RJ-45
network port)
Green On A link is established successfully between the hub and the
PC.
Off No data link is established and/or the cable is not connected,
is defective, or is the wrong type or the connected network
card is not properly set up.
Blinking There is incoming data on the port.