Cisco 7000 Series Hardware Installation And Maintenance page 128

Attachment
3-8
Figure Single
Optical
bypass
port
To
primary
ring
From
primary
ring
Attachment
3-9
Figure Single
To/from
primary
ring
SAS
Station
Single-Mode
SAS
Multimode
Station Fiber
Interface
Connecting
Network Connections
Fiber
Network Connections
the Router
Installing
Cables
3-15