Alcatel-Lucent 9500 MXC - Page 185

9500 MXC User Manual
3DB 23063 ADAA - Rev 004 July 2007 Vol. II-3-91
Figure 3-55. Example of RSTP and Ring-Wrap Protection on a Ring
Node B
Node A
Node C
Node E
Node F
Node D
Ethernet port
connections
16xE1 Transport Ch
on pt-pt ccts 1 to 16
16xE1 Transport Ch
on pt-pt ccts 1 to 16
DAC ES
DAC ES
DAC ES
DAC ES
Ch 1
Ch 1
Ch 2
Ch 2
Ch 2
Ch 1
Ch 2
Ch 1
Ch 1
Ch 1
DAC ES
DAC ES
Ch 2
Ch 2
16xE1 Transport Ch
on pt-pt ccts 1 to 16
16xE1 Transport Ch
on pt-pt ccts 1 to 16
16xE1 Transport Ch
on pt-pt ccts 1 to 16
16xE1 Transport Ch
on pt-pt ccts 1 to 16
Protected NxE1 ring traffic
Point-to-Point nxE1 traffic
RSTP
Switch
LAN
RSTP
Switch
LAN
RSTP
Switch
LAN
RSTP
Switch
LAN
RSTP
Switch
LAN
RSTP
Switch
LAN