Cisco SCE8000 Installation And Configuration Manual page 44

Link Continuity
Figure 3-9
Subscriber 1
Subscriber 2
If the SCE8000 platform fails, traffic flows through the optical bypass module, bypassing the SCE8000,
so that traffic on the link is maintained
Figure 3-10
Subscriber 1
Subscriber 2
In cascade configuration, installation of the optical bypass module is required
Note
This optical bypass module can be added to link without altering the basic characteristics of the topology.
(The installation procedure and the actual connections are somewhat different when the optical bypass
module is used, see
For more information regarding the external bypass module, refer to
Bypass, page
Cisco SCE8000 Installation and Configuration Guide, Rel 3.1.7
3-10
Optical Bypass Under Normal Operating Conditions
OPB
3/0/0 3/1/0
3/2/0 3/3/0
OPB
Optical Bypass Under Failure Conditions
OPB
3/0/0 3/1/0
3/2/0 3/3/0
OPB
Optical Bypass Module Connectivity, page
2-8.
Chapter 3 Cisco SCE8000 Topology and Topology-Related Parameters
Network 1
Network 2
Network 1
Network 2
6-9.)
The Cisco SCE8000 Optical
OL-16478-03