3Com 3CBLSF50 User Guide - Page 13

/100BASE-TX Link/Activity Status LEDs, 10/100BASE-TX Duplex Status LEDs

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(4) 10/100BASE-TX Link/Activity Status LEDs The top row (3CBLSF50) and the first (top) and third rows (3CBLSF26/3CBLSF26PWR) of LEDs, which are colored yellow or green, show the link, activity and speed status of the related ports: Table 1 10/100BASE-TX Link/Activity Status LEDs Status Meaning Green The link is operating at 100 Mbps. Yellow The link is operating at 10 Mbps. Flashing Packets are being received or transmitted on the Green port at 100 Mbps. Flashing Packets are being received or transmitted on the Yellow port at 10 Mbps. Off The link has not been established, nothing is connected to the port, or there is a problem: ■ Check that the attached device is powered on. ■ Check that the cable is the correct type, is not faulty, and is inserted correctly. If these checks do not identify the cause of the problem, it may be that the unit or the device connected to the port is faulty. Contact your supplier for further advice. Physical Features 13 (5) 10/100BASE-TX Duplex Status LEDs (3CBLSF26 and 3CBLSF26PWR Only) The second and fourth row of LEDs, which are colored yellow, show the duplex status of the related ports: Table 2 10/100BASE-TX Duplex Status LEDs Status Meaning Yellow The link is operating in full duplex mode. Off The link is operating in half duplex mode. ■ The duplex status of the ports on 3CBLSF50 (and 3CBLSF26/3CBLSF26PWR) can also be monitored from the user interface. (6) Gigabit Combo Port and Duplex Status LEDs Each Gigabit combo port has two status LEDs which indicate functions dependant upon whether a connection has been made to the fixed 1000BASE-T port, or if an SFP Module has been inserted.

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Physical Features
13
(4) 10/100BASE-TX Link/Activity Status LEDs
The top row (3CBLSF50) and the first (top) and third
rows (3CBLSF26/3CBLSF26PWR) of LEDs, which are
colored yellow or green, show the link, activity and
speed status of the related ports:
Table 1
10/100BASE-TX Link/Activity Status LEDs
(5) 10/100BASE-TX Duplex Status LEDs
(3CBLSF26 and 3CBLSF26PWR Only)
The second and fourth row of LEDs, which are colored
yellow, show the duplex status of the related ports:
Table 2
10/100BASE-TX Duplex Status LEDs
(6) Gigabit Combo Port and Duplex Status LEDs
Each Gigabit combo port has two status LEDs which
indicate functions dependant upon whether a
connection has been made to the fixed 1000BASE-T
port, or if an SFP Module has been inserted.
Status
Meaning
Green
The link is operating at 100 Mbps.
Yellow
The link is operating at 10 Mbps.
Flashing
Green
Packets are being received or transmitted on the
port at 100 Mbps.
Flashing
Yellow
Packets are being received or transmitted on the
port at 10 Mbps.
Off
The link has not been established, nothing is
connected to the port, or there is a problem:
■
Check that the attached device is powered
on.
■
Check that the cable is the correct type, is
not faulty, and is inserted correctly.
If these checks do not identify the cause of the
problem, it may be that the unit or the device
connected to the port is faulty. Contact your
supplier for further advice.
Status
Meaning
Yellow
The link is operating in full duplex mode.
Off
The link is operating in half duplex mode.
■
The duplex status of the ports on 3CBLSF50
(and 3CBLSF26/3CBLSF26PWR) can also be
monitored from the user interface.