Figure 334: M320 Router, T320 Router, T640 Router, and T1600 Router Control Board Location
A
MASTER
F
AIL
OK
A
B
B
MASTER
F
AIL
OK
ACTIVE
OK
F
AIL
ACTIVE
OK
F
AIL
ACTIVE
OK
F
AIL
ACTIVE
OK
F
AIL
CB 0
RE 0
RE 1
CB 1
SIB
0
SIB
1
SIB
2
SIB
3
CB-M
CB-M
SIB-M
SIB-M
SIB-M
SIB-M
M320 Router rear T320 Router rear
CB0
CB1
g003285
T640 Router rear
CB0
CB1
T1600 rear
CB1
CB0
Copyright © 2012, Juniper Networks, Inc.668
M Series and T Series Routers Monitoring and Troubleshooting Guide