Adtran TRACERT1L7 Manual Do Utilizador

61280.003L1-1B

P

AGE

 23

4/12/99

I

NSTALLATION

The availability of a path can be expressed by:

availability = (1 - C x T x 2.5 x 10

-6

 x f x D

3

 x 10-F

/10

) x 100%

where

C is the climate factor
T is the terrain factor
f is the frequency in GHz
D is the path length in miles
F is the fade margin in dB

Climate factors are given below.

Very Dry ..............

1

/

8

Temperate ............

1

/

4

Humid .................

1

/

2

Terrain factors are listed below

Smooth .................... 4
Average .................... 1
Mountainous ...........

1

/

4

The nominal received signal level is -60 dBm.  For help in link
planning, use the path loss calculation worksheet below.

- 91 dBm

Minimum Signal Power

+ _______

Transmitter Feedline Loss

- _______

Transmitter Antenna Gain

+ _______

Path Loss

- _______

Receiver Antenna Gain

+ _______

Receiver Feedline Loss

+ _______

Required Fade Margin

= _______

(dBm) Transmitter Power Setting