User's Manual Part 2

RBS 2109 User’s Guide
Table 30 PCM Parameter Settings for Transmission Interface E1, 75
PCM Parameter Settings
Transmission Interface E1
Network Topology See Site Installation Documentation
Sync Source See Site Installation Documentation
CRC-4 See Site Installation Documentation
Spare bits See Site Installation Documentation
A Short haul
B Short haul
C Short haul
Receiver Sensitivity
D Short haul
7.6.12 Defining Transmission Interface E1, 120
This section describes how to define the PCM parameters for transmission
interface E1, 120 .
1. On the Configuration menu, click Define and PCM.
2. Set the parameters according to the table and instructions below.
3. Click OK when all parameters are set.
Table 31 PCM Parameter Settings for Transmission Interface E1, 120
PCM Parameter Settings
Transmission Interface E1
Network Topology See Site Installation Documentation
Sync Source See Site Installation Documentation
CRC-4 See Site Installation Documentation
Spare bits See Site Installation Documentation
A
B
C
Receiver Sensitivity
D
See instructions below
The instructions below describe how to calculate the cable attenuation between
the Far End and the RBS. The cable attenuation determines whether receiver
sensitivity is to be set to short or long haul. Use of long haul requires that the
equipment at the far end supports long haul.
117EN/LZT 720 0090 Uen R1A 2004-09-17