Huawei OSN 3500 Technical Manual page 15

Introduction
network with equipments such as OptiX OSN 9500, OptiX 10G, OptiX OSN 2500 and
OptiX Metro 1000/500, as shown in Figure 1-2.
OptiX OSN 3500
OptiX OSN 2500
OptiX Metro 1000
GSM/CDMA/
PSTN
WCDMA
Figure 1-2 Position of OptiX OSN 3500 in the network
OptiX OSN 9500
OptiX 10G
OptiX OSN 3500
OptiX OSN 2500
Ethernet . . . ATM
OptiX OSN 3500 TM - SD
Core Layer
Convergence
Layer
Access Layer
DDN
1-3