CTI Products NCB/FL with Fiber Interface - Manual (Page 31)

CTI Products, Inc. NCB-EL/FL User Guide
Appendix D. Troubleshooting 28
A
PPENDIX
D. T
ROUBLESHOOTING
Table D1
If the PWR LED . . . REASON CORRECTIVE ACTION
Is always illuminated. Normal operation indicating that NCB unit
is receiving proper DC input power.
Go to next Table.
Does not illuminate. NCB unit is not receiving DC input power. Check for proper voltage at “DC IN”
connector (10-32VDC).
Table D2
If the ERR LED . . . REASON CORRECTIVE ACTION
Is always off. Normal operation indicating no error
condition was detected.
Go to next Table.
Occasionally blinks on, then
off.
Normal operation when “CSVC” button or
“RSVC” button is pressed.
Go to next Table.
Flashes slowly, at a rate of
once every 2 seconds.
The Router Neurons are unconfigured. Use a network management tool to
‘Replace’ or ‘Commission’ router,
or
Use NODEUTIL to change the
mode/state to ‘Configured’ and ‘On-
line’,
or
Use SETRTR –F to configure the
router to Factory default conditions
(Repeater Mode).
Flashes quickly, at a rate of
once every second.
The Control Neuron Processor detects
missing IP address information.
Use EtherPlug to update the IP address
parameters. (See Installation section
for instructions.)
Is always illuminated. Router module, or Control Neuron
Processor, or Microprocessor is not
functioning.
Call CTI Products, Customer Support (+1-
513-595-5900), to arrange to return
unit for evaluation/repair.
Table D3
If the ETH TX LED (on
local NCB) . . .
REASON CORRECTIVE ACTION
Occasionally blinks on, then
off.
Normal operation indicating a message
packet has been transmitted from the
Ethernet port.
Go to next Table.
Does not illuminate when
“RSVC” button on local
NCB is pressed.
Ethernet port is not terminated correctly to
the IP network.
a. Verify that OPTION switch positions 7
and 8 are set correctly for the Ethernet
connector being used. See Step 6A in
Installation section.
b. Verify that the cable from NCB
Ethernet port is terminated correctly to
IP network. Check the ‘connection’
LED that is found near each port on
most IP interconnect devices.
c. Verify that the correct cross or straight-
through cable is being used. See
“Appendix F. IP Addresses”.