Troubleshooting Guide
Trouble
Possible Cause
Solution
Remote device isn’t powered.
Non
-
PoE remote device power is not
connected.
Make sure remote device’s power adapter is
plugged into device and AC outlet.
Remote device is connected to PoE from
remote unit and to AC adapter.
Cut a pair in the cable to the device used for
PoE. Typically, the brown pair can be cut.
PoE injector is not plugged in to AC power.
Make sure PoE injector is plugged in to AC
Outlet.
PoE injector is not connected properly.
Make sure remote device is connected to
PoE & Data Out port of injector (step 9 above).
Link LEDs light, but don’t blink.
Remote device is not active.
Access the remote device through the network
equipment. For instances, view the video
output of an IP camera.
No lights on local or remote
unit.
Unit is not powered up.
Make sure AC adapter or PoE supply is plugged
in to unit and AC outlet.
Optical link LED doesn’t turn on.
Optical cables not connected properly.
Swap RX and TX connections at local or remote
unit.
Optical fibers are dirty.
Clean fiber faces using cotton swab dipped in
isopropyl alcohol. Dust off fiber face & barrel
of optical module with canned duster.
Wrong optical cables were used.
Use orange cables with MM units and yellow
cables with MS units.
Installation and
Operation Manual
MM-100
/
1000 & MS-100
/
1000
10/100/1000 MEDIA CONVERTERS w/PoE Option
Call 800
-
528
-
4343 or 847
-
259
-
8900 for Nitek Tech Support (North America)
Call 0031 321 310 043 for Nitek Tech Support (Europe)
