User guide

PTP 800 Series User Guide Outdoor unit (ODU)

phn-2513_004v000 (Oct 2012)

1-17

# Interface Function

4 Ground connector This is used to ground the ODU to the top lightning

protection unit (LPU).

5 RSSI connector The received signal strength indication (RSSI)

connector is a standard BNC female connector that

provides access to an analogue voltage proportional

to the received power at the ODU input. A voltmeter

is attached to the RSSI connector to measure the

voltage when aligning the antenna. For more

information, see Step 6: Aligning antennas on page 6-

100.

6 CMU connector This connects the ODU to the CMU via an IF cable.

Further reading on the ODU

For more information on the ODU, refer to the following:

• Grounding and lightning protection on page 2-7 describes the grounding and lightning

protection requirements of a PTP 800 installation, including the ODU.

• Ordering ODUs on page 2-69 lists the ODUs available for PTP 800 installations, with

Cambium part numbers.

• ODU specifications on page 4-5 contains specifications of the ODU, such as dimensions,

weight and environmental requirements.

• Coupler mounting kit specifications on page 4-15 contains specifications of the

couplers that may be used to connect two ODUs to one antenna.

• Installing antennas and ODUs on page 5-5 describes how to install the antennas, ODUs

and waveguide connections at each link end, either in a direct mount or remote mount

configuration, with or without couplers.