Creating Your Network; Dual Speed Hub 16-Front - 3Com 3C16751A User Manual

C
REATING YOUR
Dual Speed Hub 16—Front
Alert LED
orange
Off when the Hub is operating
correctly. Lit for a short period of
time after power on, for self test.
If the LED is continuously lit, there
may be a problem. Refer to the
"Problem Solving" section.
100M
Collision
10M
Alert
Power
N
ETWORK
Power LED Collision LEDs
green yellow
Indicates that Flash each time a
the power collision is detected on
supply to the the Hub's 100Mbps or
Hub is 10Mbps segment.
present. Collisions are a normal
part of network
operation.
Port Status
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
Green = 100M Yellow = 10M Flash = Partitioned
Port Status LEDs
green (100Mbps link) / yellow (10Mbps link)
If the LED is on, the link between the port and the
next piece of network equipment is OK. If the LED is
off, nothing is connected, or the connected device is
switched off, or there is a problem with the
connection (refer to the "Problem Solving" section).
If flashing, the port is partitioned, possibly due to a
network loop.
Network Utilization
1% 2% 3% 6% 12% 25% 50% 80%
OfficeConnect Dual Speed Hub 16
6
Network Utilization
LEDs
green / yellow / orange
(top row:100Mbps;
bottom row:10Mbps)
Indicate how much the
100Mbps and 10Mbps
segments of your
network are being used.
100M
10M