User's Manual Part 2

RBS 2308 and RBS 2309 User’s Guide

Table 46 PCM Parameters Settings for Transmission Interface T1, Long

Haul Automatically

PCM Parameter Setting

Transmission Interface DS1(T1)

Network Topology

See Site Installation Documentation.

Sync Source See Site Installation Docume

ntation

LBO A

LBO B

LBO C

LBO D

See instructions below

FDL Use

See Site Installation Documentation

The instructions below describe how to automatically set the PCM parameters.

For RBS 1 only:

1. Set LBO A (C) to “Long h. ALBO, <value of the maximum input signal

level> dB”.

2. If stand alone, set unused ports to “Short h., 0 – 133 feet”. Unused ports

are always set to “Short h., 0 – 133 feet”.

The RBS automatically sets the correct value in the IDB when the IDB

is installed.

Note: The following instructions apply only to m ultidrop.

If multidrop is used, the line attenuation for RBS 1 must be measured according

to the instructions below.

For RBS 1:

1. Set LBO B (D) to “Long h., 0 dB”. Used B (D) ports in multidrop are always

set to “Long h., 0 dB”

2. On the RBS 2000 menu, click Connect.

3. On the Configuration menu, click Install IDB.

The RBS will automatically set the correct value in the IDB.

The RBS remains in Local mode after the IDB has been installed.

4. On the Maintenance menu, click Monitor.

5. In the Available monitors box, select “Line Attenuation

forPCM-A”(C)and

click  to add “PCM” i n the Monitors to start box. See figur

e below.

/LZT 720 0027 Uen R8A 2006-06-27