5-7
Cisco ONS 15327 User Documentation, R3.3
June 2002
Chapter 5 SONET Topologies
Bidirectional Line Switched Rings
Figure 5-7
Shelf assembly layout for Nodes 1 – 4 in
5.2.4 Setting Up BLSRs
To set up a BLSR on the ONS 15327, you perform five basic procedures:
•
Install the BLSR trunk cards. See the
“Install the BLSR Trunk Cards” procedure on page 5-7
•
Create the BLSR DCC terminations. See the
“Create the BLSR DCC Terminations” procedure on
.
•
Enable the BLSR ports. See the
“Enable the BLSR Ports” procedure on page 5-8
.
•
Set up BLSR timing. See the
“Setting Up ONS 15327 Timing” section on page 3-11
•
Provision the BLSR. See the
“Provision the BLSR” procedure on page 5-9
.
Procedure: Install the BLSR Trunk Cards
Step 1
Install the OC-12 or OC-48 cards that will serve as the BLSR trunk cards. You can install the OC-12 and
OC-48 cards in any high-speed slot (Slots 1–4).
Step 2
Allow the cards to boot.
Step 3
Attach the fiber to the east and west BLSR ports at each node.
Plan your fiber connections and use the same plan for all BLSR nodes. For example, make the east port
Slot 2 and the west port Slot 1 at every node. Plug fiber connected to an east port at one node into the
west port on an adjacent node.
shows fiber connections for a two-fiber BLSR with trunk cards
in Slot 1 (west) and Slot 2 (east).
Note
Always plug the transmit (Tx) connector of an OC-N card at one node into the receive (Rx)
connector of an OC-N card at the adjacent node. Cards will display an SF LED if Tx and Rx
connections are mismatched.
Fan
Tray
Slot
OC48
OC48
OC48
Free Slot
XTC-28-3
XTC-28-3
MIC B
MIC A
71756
4
3
2
1
5
6
7
8
Содержание ONS 15327
Страница 22: ...Contents xxii Cisco ONS 15327 User Documentation June 2002 I N D E X ...
Страница 30: ...Figures xxviii Cisco ONS 15327 User Documentation June 2002 ...
Страница 44: ...Procedures xlii Cisco ONS 15454 Installation and Operations Guide R3 2 June 2002 ...
Страница 82: ...1 32 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 1 Hardware Installation Hardware Specifications ...
Страница 166: ...4 22 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 4 IP Networking ONS 15327 Routing Table ...
Страница 254: ...7 22 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 7 Card Provisioning Using Virtual Wires ...
Страница 408: ...13 26 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 13 Card Reference E10 100 4 Card ...
Страница 540: ...Glossary GL 16 Cisco ONS 15327 User Documentation R3 3 June 2002 ...