Create The Blsr Dcc Terminations; Enable The Blsr Ports; Provision The Blsr; Figure 5-7 Shelf Assembly Layout For Nodes 1 - 4 In - Cisco ONS 15327 User Documentation

Chapter 5 SONET Topologies
Figure 5-7
5.2.4 Setting Up BLSRs
To set up a BLSR on the ONS 15327, you perform five basic procedures:
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Procedure: Install the BLSR Trunk Cards
Install the OC-12 or OC-48 cards that will serve as the BLSR trunk cards. You can install the OC-12 and
Step 1
OC-48 cards in any high-speed slot (Slots 1–4).
Allow the cards to boot.
Step 2
Attach the fiber to the east and west BLSR ports at each node.
Step 3
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.
in Slot 1 (west) and Slot 2 (east).
Note
June 2002
Shelf assembly layout for Nodes 1 – 4 in
OC48
OC48
OC48
Free Slot
Install the BLSR trunk cards. See the
Create the BLSR DCC terminations. See the
page 5-8.
Enable the BLSR ports. See the
Set up BLSR timing. See the
Provision the BLSR. See the
Figure 5-8
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.
Figure 5-5
XTC-28-3
4
XTC-28-3
3
MIC B
2
MIC A
1
"Install the BLSR Trunk Cards" procedure on page
"Create the BLSR DCC Terminations" procedure on
"Enable the BLSR Ports" procedure on page
"Setting Up ONS 15327 Timing" section on page
"Provision the BLSR" procedure on page
shows fiber connections for a two-fiber BLSR with trunk cards
Bidirectional Line Switched Rings
5-8.
5-9.
Cisco ONS 15327 User Documentation, R3.3
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Fan
Tray
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Slot
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