Chapter 18 DLPs F300 to F399

DLP- F349 Install Fiber-Optic Cables for MS-SPRing Configurations

Caution Do not provision the MS-SPRing east and west ports on the same STM-N card.

Note To avoid error, connect fiber-optic cable so that the farthest slot to the right represents the east port, and the farthest slot to the left represents the west port. Fiber connected to an east port at one node must plug into the west port on an adjacent node.

Note See Table 16-1 on page 16-19and Table 16-2 on page 16-19for OGI connector pinouts of STM-N cards.

Step 1 Plan your fiber connections. Use the same plan for all MS-SPRing nodes. MS-SPRing configuration is achieved by correctly cabling the transmit and receive fibers of each node to the others.

Step 2 Plug the fiber into the Tx connector of an STM-N port at one node and plug the other end into the Rx connector of an STM-N port at the adjacent node. The card displays an SF LED if the transmit and receive fibers are mismatched.

Step 3 Repeat Step 2 until you have configured the ring.

Figure 18-11shows fiber connections for a two-fiber MS-SPRing with trunk ports in Slot 2, Port 7 (west) and Slot 12, Port 11 (east).

Figure 18-11 Connecting Fiber to a Four-Node, Two-Fiber MS-SPRing

West

 

 

 

 

 

 

Tx

Tx

 

 

 

 

 

 

 

 

 

 

Rx

Rx

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Slot 2

Slot 12

 

Port 7

Port 11

Node 1

EastWest

 

 

 

 

 

Tx

Tx

 

 

 

 

 

 

 

 

 

 

 

 

Rx

Rx

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Slot 2

Slot 12

Port 7

Port 11

Node 2

East

West

Tx

Tx

Tx

Tx

Rx

Rx

Rx

Rx

 

East

West

 

Slot 2

Slot 12

Slot 2

Slot 12

Port 7

Port 11

Port 7

Port 11

 

Node 4

 

Node 3

East

134293

Note To provision an MS-SPRing, see Chapter 5, “Turn Up a Network”

 

 

Cisco ONS 15600 SDH Procedure Guide, R8.0

 

 

 

 

 

 

October 2007

 

 

18-55

 

 

 

 

 

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Cisco Systems ONS 15600 SDH manual 18-55, Connecting Fiber to a Four-Node, Two-Fiber MS-SPRing