User's Manual

AN-50 System User Manual
Redline Communications …..solving the first mile challenge.
Table 6: Ethernet Link Diagnostics
Symptom Possible Problem Solution
Poor cable connection between
terminal and computer/server
or between terminal and
switch/router.
Carefully check all cable
connections.
Wrong type of Ethernet cable
between terminal LAN port and
host computer/server or
switch/router.
If the terminal LAN port is
connected to a host computer or
server directly, then ensure a
straight-through cable is used.
Otherwise, to connect the
terminal to a switch or router,
ensure a crossover cable is
used.
The auxiliary Network
equipment including
switch/router, host
computer/server, may be
malfunctioning.
Repair or replace faulty units.
No Ethernet Link
(Link LED off)
Processor malfunction. Try short reset or long reset.
9.1.6. Ethernet Collision
The Ethernet Col LED flashes amber when packet
collisions occur over the LAN. Note that when connected to
a hub, it is typical for packet collisions to occur
intermittently. On a Half-Duplex link, there will be collisions.
Some possible causes include:
Table 7: Ethernet Collision Diagnostics
Symptom Possible Problem Solution
Poor cable connection between
terminal and computer/server
or between terminal and
switch/router.
Carefully check all cable
connections.
Link Collision
(Col LED
flashes)
Incompatible Ethernet port
speed.
Confirm speed and duplex mode
of devices.
Page 50 of 76