PTP 250 User Guide
Testing link end hardware
phn-2510_002v000 (Mar 2012)
8-3
No power detected
LED state:
PoE type 9001GR: PORT is off.
PoE type PD7001: AC is off.
Meaning
: The PoE power supply is not receiving power from the AC outlet.
Action
: Remove the power lead from the PoE power supply. Test that the AC outlet and
power lead are working: if they are working, report a suspected PoE power supply fault to
Cambium.
Incorrect voltage
LED state:
PoE type 9001GR: PORT is off.
PoE type PD7001: AC is on green (blink).
Meaning
: The PoE power supply is receiving a voltage from the AC outlet that is out of the
correct range (100 – 240 V AC).
Action
: Remove the power lead from the PoE power supply. Test that the the voltage from
the AC outlet is within the correct range (100 – 240 V AC). If the voltage is correct, report
a suspected PoE power supply fault to Cambium.
Overload or short circuit
LED state:
PoE type 9001GR: PORT is on green (blink).
PoE type PD7001: AC is on green (steady) and PORT is on green (blink).
Meaning
: There is an overloaded or short circuit in the power supply to the LPU and
ODU.
Action
:
1
Remove the ODU cable from the DATA & POWER OUT port. Examine it for signs of
damage. Check that the ODU cable resistances are correct, as specified in
Testing
resistance in the ODU cable
on page
8-8
. If the ODU cable is suspect, replace it.
2
Remove the network cable from the DATA IN port. Examine it for signs of damage.
If the network cable is suspect, replace it.
Summary of Contents for PTP 250
Page 1: ...Cambium PTP 250 User Guide System Release 250 02 01 ...
Page 8: ...Safety and regulatory information VI phn 2510_002v000 Mar 2012 ...
Page 20: ...List of Tables xii phn 2510_002v000 Mar 2012 ...
Page 58: ...System management Chapter 1 Product description 1 30 phn 2510_002v000 Mar 2012 ...
Page 104: ...Limit of liability Chapter 3 Legal information 3 12 phn 2510_002v000 Mar 2012 ...
Page 122: ...Notifications Chapter 4 Reference information 4 18 phn 2510_002v000 Mar 2012 ...
Page 152: ...Installing the PoE power supply Chapter 5 Installation 5 30 phn 2510_002v000 Mar 2012 ...