Specifications

5-7
Cisco ONS 15454 and Cisco ONS 15327 TL1 Command Guide, R3.3
May 2002
Chapter 5 Ring Provisioning
Ring-to-Ring Interconnection
Figure 5-13 2WAY connection from 5/1/1 to 13/3/2
5.3.5 Sample Two-Fiber BLSR to Four-Fiber BLSR Connection (ONS 15454)
Ring 1 = Two-fiber BLSR
Ring 2 = Four-fiber BLSR
All protection for a two-fiber BLSR interconnecting to a four-fiber BLSR is performed at the line level.
You can make the connection with a simple 2WAY cross-connection from the appropriate side, east or
west, of the two-fiber BLSR to the working fiber of the appropriate side, east or west, of the four-fiber
BLSR, as shown in Figure 5-14.
Figure 5-14 Two-fiber BLSR to four-fiber BLSR
Use the ENT-CRS-STS1:CISCO:STS-1-1,STS-5-1:CTAG5::2WAY; input format.
This command creates a 2WAY connection from 1/1/1 to 5/1/1, as shown in Figure 5-15.
Figure 5-15 2WAY Connection from 1/1/1 to 5/1/1
In the event of a failure, the software will automatically switch the traffic to the appropriate line and path.
51357
5/1/1
Tx/Rx
13/3/2
Tx/Rx
Node Cisco
2F BLSR RING 1
4F BLSR RING 2
West1/1/1 East 2/1/1
West
work
5/1/1 East
work
12/1/1
West
prot
6/1/1 East
prot
13/1/1
51358
51359
1/1/1
Tx/Rx
5/1/1
TxRx