Alcatel-Lucent 9500 MXC User Manual page 185

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