
PTP 250 User Guide
Web-based management
phn-2182_002v000
May 2011
7-13
Attribute
Meaning
V/H Ratio
The maximum, mean, minimum and latest measurements of
V/H Ratio. See
Diagnostics calculated over time
on page
7-23
.
This is calculated from:
Power received by the vertical antenna input (dB) ÷
Power received by the horizontal antenna input (dB)
V/H Ratio is an aid to debugging a link. If it has a large
positive or negative value, then investigate the following
potential problems:
An antenna coaxial lead may be disconnected.
When spatial diversity is employed, the antenna with the
lower value may be pointing in the wrong direction.
When a dual polar antenna is deployed, the antenna may
be directed using a side lobe rather than the main lobe.
When there is a reflection from water on the link and spatial
diversity is employed, then one expects large, slow swings in
V/H Ratio
.
This indicates the antenna system is doing exactly
as intended.
Transmit Data
Rate
The maximum, mean, minimum and latest measurements of
Transmit Data Rate (Mbps). See
Diagnostics calculated over
time
on page
7-23
.
Receive Data Rate
The maximum, mean, minimum and latest measurements of
Receive Data Rate (Mbps). See
Diagnostics calculated over
time
on page
7-23
.
Transmit
Modulation Mode
The modulation mode currently being used on the transmit
channel.
Receive
Modulation Mode
The modulation mode currently being used on the receive
channel.
Noise Floor
The noise floor reported by the radio in this unit (dBm).
Range
The distance (km) between the two ODUs.
Содержание Motorola PTP 250
Страница 20: ...List of Tables phn 2182_002v000 xiv May 2011 ...
Страница 30: ......
Страница 80: ...Data network planning Chapter 2 Planning considerations phn 2182_002v000 2 22 May 2011 ...
Страница 126: ...Notifications Chapter 4 Reference information phn 2182_002v000 4 36 May 2011 ...
Страница 192: ...Connecting link to the network Chapter 6 Configuration and alignment phn 2182_002v000 6 36 May 2011 ...
Страница 234: ...Testing the radio link Chapter 8 Troubleshooting phn 2182_002v000 8 14 May 2011 ...