Reference Manual

Transport network O&M functions-DXX Support

57 Transport network O&M functions-DXX

Support

57.1 Introduction

This Function Speciﬁcation covers RBS functions for Transport

Network Operation and Maintenance.

The functions are divided into two groups with Transport Network

Operation and Maintenance generic functions including:

• Enabling and detection of TNOM protocol

• Allocation of TNOM time slot

and DXX speciﬁc functions including:

• Node identity

• Node access control

• Node real time control

•

Current alarm report

•

Alarm history report

• G.821 Performance reports

•

Fault masks

•

Loop-back

• Node inventory

•

DXX protocol handling

With Transport Network O&M and “DXX support” in RBS 2000, it is

possible to connect an RBS to DXX without using a DXX transport

module.

In the Figure 149 on page 448, an example of how the functionality

“DXX support” can be used in a network is shown.

EN/LZT 720 0008 P2A

2001-11-28

447 (485)

Preliminary