User's Manual Part 2

RBS 2308 and RBS 2309 User’s Guide
Table 40 Selecting
Section for Defining T1, Without any Information about
the Cable Length
If...
Then...
there is no information about the
cable length
go to Section Defining LBO Parameters when
Transmission Ch arac te ristics are Unknown
on Page 138.
Note: Calculating the total attenuation of the entire R BS chain is only
necessary if multidrop (in combination with OVPs with bypass relays)
is used.
Defining LBO Parameters as Short Haul
This section describes how to define the LBO parameters as short haul.
1. On the Co
nfiguration menu, click Define and PCM to open the Define
PCM wind
ow.
2. Set the parameters according to the table and instructions below.
3. Cl
ick OK when all parameters are set.
Table 41 PCM parameters Settings for Transmission Interface T1, Short Haul
PCM Parameter Setting
Transmission Interface DS1(T1)
Network Topology
See Site Installation Documentation
Sync Source See S ite Insta lla tion Docu m entation
LBO A
LBO B
LBO C
LBO D
See instructions below
FDL U se
See Site Installation Documentation
The instructions below describe how to calculate the LBO parameters.
Note: Ports C and D can also be used as a multidrop pair.
P008645B
Customer
Interface
DSX-1
RBS 2 RBS 3RBS 1
A(C) B(D)
A(C) B(D)
A(C) B(D)
Figure 55 System View for Transmission Interface T1, Short Haul
130
EN/LZT 720 0027 Uen R8A 2006-06-27