AN-50e
user manual
70-00033-01-03
Proprietary Redline Communications © 2005
September
2005
Page 24 of 100
Table 5
:
Overview - Ethernet Link/Collision LED Diagnostics
Symptom
Possible Problem
Solution
Collisions are normal for half duplex
links. If the terminal is connected to
equipment manually set to full duplex,
the terminal is not able to negotiate
and remains set to half duplex and
CRC errors is reported.
Change the configuration to
auto-negotiation.
Link Collision
(
FD/Col
LED
flashes)
Incompatible Ethernet port speed.
Confirm speed and duplex
mode of both devices.
Note: Port speed/duplex selection is not available on the AN-50.
100 LED
The 100 LED lights solid green when the Ethernet port is operating at 100 Mb/s.
The LED is not illuminated when the port is operating in 10 Mb/s mode. The
terminal and the connected host device must both be set to auto-negotiate or to the
required port speed (10Base-T to 100Base-T) for correct operation.
Table 6
:
Overview - Ethernet 100 LED Diagnostics
Symptom
Possible Problem
Solution
Connected Ethernet device is
manually set for 10Base-T
operation.
Change Ethernet Mode setting to Auto
or 100 in the System Configuration
web screen.
Ethernet
Link 100
LED off
The connected Ethernet device
manually set to operate at
10Base-T.
If the terminal LAN port is connected
to a host computer or server operating
at 10Base-T, you may have to change
the settings for that device.
Link/Act LED
The Link/Act LED lights solid green when the Local Area Network (LAN)
connection is established, and there is no traffic. The Link LED flashes when the
Local Area Network (LAN) connection is established and traffic is detected.
The Link/Act LED is functioning properly and traffic is detected. If the LED is
off, it may indicate one of the problems listed in the following table:
Table 7
:
Overview - Ethernet Link/Act LED Diagnostics
Symptom
Possible Problem
Solution
Poor cable connection between
terminal and Ethernet equipment.
Carefully check all cable
connections.
Wrong type of cable between
terminal and Ethernet equipment.
If the terminal LAN port is connected
to a switch or router, then ensure a
straight-through cable is used.
The connected Ethernet
equipment may be
malfunctioning.
Repair or replace faulty equipment.
No
Ethernet
Link
(
Link/Act
LED off)
System processor malfunction.
Apply short reset or long reset.
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