
Link LED not
Disconnected RJ45
Connect RJ45 cable.
illuminated on
cable.
10BaseT port
RJ45 cable failure.
Replace RJ45 cable.
Cable failure
Check cable assembly or
(open/short).
tester or swap cable with
known good cable.
Incorrect RJ45 cable See 3.5.2 for straight-
installed.
through/crossover
specification.s
Invalid cable pin-
See 3.5.2 for cable
outs.
pin-outs
Workstation or
Check NIC
server NIC failure.
configuration/setup with
manufacturer.
RJ45 connection
Contact TN Technical
failure.
Support.
1-800-260-1312.
Steady green or
Repeater requires
Reset StackMaster
red LED
reset.
Repeater or StackMaster
illuminated in a
stack. (See 5.2.2)
Unit with no
physical device
Invalid terminator
Install terminator (See
present
installation.
5.2.1.)
Terminator failure.
Contact TN Technical
Support.
1-800-260-1312.
Fiber port
Disconnected fiber
Connect BOTH fiber
connector LED
port cable or cables. optic cables..
not illuminated
Wrong fiber cable
Use multimode fiber
type used.
cable ONLY.
Connected to a non-
The other end of the
10BaseFL device.
fiber must be connected
to a 10BaseFL compliant
device.
TX and RX cables
Swap the TX and RX
attached to wrong
lines.
connectors.
Table 5-1. Fault Isolation in the StackMaster™ Stack (continued
)
5-2
StackMaster™