Reference Manual

Transport network O&M functions-DXX Support
57.3 Concepts
In Figure 150 on page 449, the nomenclature for DXX is stated.
NMS
(TNO&M)
DXX
node
DXX
node
DXX
node
DXX
node
DXX
node
RBS
PCM-B
PCM-A
DXX
support
DXX
support
RBS
PCM-B
PCM-A
NMS
(TNO&M)
BSC
(Transmission system for cellular applications)
DXX
(Transmission system for cellular applications)(Transmission system for cellular applications)
DXX transmission network
P002616
Figure 150 DXX terminology.
DXX DXX is a transmission system for cellular
applications. It includes O&M and
switching functionality (among others).
The O&M centre is named NMS.
DXX node A node in the DXX system.
DXX support DXX support is O&M functions in RBS
2000 intended for DXX. DXX support is a
portion of the functionality in a DXX
transport module.
DXX transport module A DXX node suitable to fit in the RBS
2000 cabinet.
NMS The Network management system in
DXX. Hence, NMS is TN O&M for DXX.
TN O&M Centrally located management system for
transport networks and transmission
equipments in general, such as digital
cross connectors, line terminals,
multiplexors and microwave links.
RBS2000–DXX O&M The protocols used between an RBS with
DXX support and a DXX node with RBS
support.
EN/LZT 720 0008 P2A
2001-11-28
449 (485)
© Ericsson Radio Systems AB
— All Rights Reserved —
Preliminary