User's Manual Part 2

RBS 2308 and RBS 2309 User’s Guide
In this example, ne
twork interface and the RBS
refer to the figure
above.
Carrier-advised co
de at the network interface is “C” (-15 dB).
The cable attenuati
on is 5 dB.
1. See the table Long
haul parameters for
different carrier-
advised codes at the network interface
to find the correct L
BO parameter for LBO A.
2. Set LBO A to “Long h.
, -15 dB”
3. Set LBO B, C and D (no
t connected) to
“Short h., 0 - 133 feet
”.
Example 7 Calculatin
g LBO Parameters Manually for Long Haul
Defining LBO Paramet
ers as Long Haul Automatically
This section describ
es how to define LBO to long haul when the maximum
input signal level a
t the Far End is known, but not the cable attenuation. The
cable attenuation c
an be measured by the RBS according to the instructions
below. Seefigureb
elow.
P008626B
Customer Interface
(Far End)
RBS
Measured cable attenuation
Maximum input
signal level
A(C) B(D)
Figure 57 System Parameters for Defining LBO Parameters Automatically
to Long Haul
1. On the Configuration menu, click Define and PCM.
2. Use the table and instructions below to set the parameters.
3. Click OK, when all parameters are set.
134
EN/LZT 720 0027 Uen R8A 2006-06-27