ADTRAN 4200659L1 - Manual (Page 139)

Chapter 7. Circuit and Network Redundancy
61200659L1-1 MX2800 STS-1 User Manual 7-5
In a case like this, the MX2800 STS-1 is able to automatically re-
route
NET B to C ARD A .
The configuration requirements for this mode are the same as the
ones given for Circuit Failure Recovery Mode (see Table 7-1 on
page 7-4) except for the
N ETWORK P ROTECTION setting, which must
be set to E NABLE .
Figure 7-3. Circuit and Network Failure Recovery Mode
MX2800 STS-1