Chapter 5: Installation
Installing the PSU
Page 5-13
Installing the PSU
Install one of the following types of PSU (as specified in the installation plan):
•
PTP 550 AC Power Injector (Cambium part number N000000L034A). Refer to
Warning
Always use an appropriately rated and approved AC supply cord-set in accordance
with the regulations of the country of use.
Caution
As the PSU is not waterproof, locate it away from sources of moisture, either in the
equipment building or in a ventilated moisture-proof enclosure. Do not locate the
PSU in a position where it may exceed its temperature rating.
Caution
Do not plug any device other than a PTP 550 ODU into the ODU port of the PSU. Other
devices may be damaged due to the non-standard techniques employed to inject DC
power into the Ethernet connection between the PSU and the ODU.
Do not plug any device other than a Cambium PTP 550 PSU into the PSU port of the
ODU. Plugging any other device into the PSU port of the ODU may damage the ODU
and device.
Installing the AC Power Injector
Follow this procedure to install the AC Power Injector (Cambium part number N000000L034A):
1 Form a drip loop on the PSU end of the drop cable. The drip loop ensures that any moisture
that runs down the cable cannot enter the PSU.
2 (a) Place the AC Power Injector on a horizontal surface. Plug the ODU to PSU drop cable into
the PSU port labeled ODU. (b) When the system is ready for network connection, connect the
network Cat5e cable to the LAN port of the PSU:
(a)
(b)