DM16E1 / DM4E1 Operation and Installation Manual - 204-4001-19 99
Before connecting a device into a ring it is advisable to configure it for bidirectional Regular-Ring or Cross-
Ring. All tributaries should be set to pass-through prior to inserting the device into a working ring. This
avoids excessive errors in the operating links. With this initial setting, other settings may be changed
remotely except for some SNMP management configurations.
Connect power supply, tributaries, aggregates and Ethernet cable if necessary. When connecting the
aggregate, be careful to connect TX to RX when using two fibers and 1310 nm to 1550 nm cards when
using monofiber.
Figure 31. Connections in Regular-Ring topology
Figure 32. Connections in Cross-Ring topology
All devices should connect automatically if all connections are done correctly. Use the terminal connector
for configuration changes and to check the status of local or remote devices.
Refer to chapter 3 for additional information about configuration using the terminal port. SNMP
management is detailed on chapter 13.2.
15.7. In-Line Topology
Before connecting a device into a ring it is advisable to configure it for in-line operation (intermediate or
end devices). All tributaries should be set to pass-through prior to inserting the device into a working line.
This avoids excessive errors in the operating links. With this initial setting, other settings may be changed
remotely except for some routing and SNMP management configurations.
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