Connect ing t o t he web m anagem ent int erface
Chapt er 8: Troubleshoot ing
8- 2
phn- 2513_004v000 ( Oct 2012)
Connecting to the web management interface
Perform this task if any problems are encountered when connecting to the PTP 800 web
interface.
Check the CMU power indicator
The CMU power indicator shows the presence of the DC supply within the CMU.
Check the state of the CMU power indicator and take action as described in
Ta ble 2 6 3
CMU pow er indicat or checks
CM U pow e r
in d ica t or st a t e
Lik e ly ca u se a n d a ct ion
Green steady
Check the CMU status indicator
Off
The DC supply may be absent or the CMU may be faulty. Continue
at
Check the DC supply to the CMU
Check the DC supply to the CMU
Check the DC supply at the CMU using a suitable voltmeter and take action as described
in
Ta ble 2 6 4 D C su pp ly ch e ck s w h e n CM U pow e r in dica t or is off
D C su pp ly st a t e
Lik e ly ca u se a n d a ct ion
Absent or less than
–40.5 V
Check the AC supply, power converters, wiring, circuit
breakers and fuses as appropriate.
Reversed polarity
The CMU has been damaged. Return the CMU to
Cambium for repair.
Correct polarity and
within the range –40.5 V
to –60 V.
The CMU has an internal power supply fault. Return the
CMU to Cambium for repair.
Summary of Contents for PTP 800 Series
Page 1: ...Cambium PTP 800 Series User Guide System Release 800 05 02 ...
Page 40: ...Licensing requirements About This User Guide 10 phn 2513_004v000 Oct 2012 ...
Page 232: ...Limit of liability Chapter 3 Legal information 3 22 phn 2513_004v000 Oct 2012 ...
Page 322: ...Radiation hazard assessm ent Chapter 4 Reference information 4 90 phn 2513_004v000 Oct 2012 ...
Page 428: ...Replacing IRFU components Chapter 5 Installation 5 106 phn 2513_004v000 Oct 2012 ...
Page 630: ...Using recovery mode Chapter 7 Operation 7 78 phn 2513_004v000 Oct 2012 ...