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Cisco ONS 15530 Hardware Installation Guide
OL-7706-01
Chapter 3 Connecting the Cisco ONS 15530
Connecting a Multi-Shelf Node
To connect a three shelf node with cascaded OADMs, follow these steps:
Step 1 Connect the cables of the first OADM module in slot 0 of shelf A as follows:
a. Connect the TRUNK_IN and the TRUNK_OUT ports of the first OADM in shelf A to the west side
trunk.
b. Connect the MID_IN port of the first OADM in shelf A to the TRUNK_OUT port of the first OADM
in shelf B.
c. Connect the MID_OUT port of the first OADM in shelf A to the TRUNK_IN port of the first OADM
in shelf B.
Step 2 Connect the cables of the second OADM module in slot 0 of shelf A as follows:
a. Connect the TRUNK_IN port of the second OADM in shelf A to the MID_OUT port of the second
OADM in shelf B.
b. Connect the TRUNK_OUT port of the second OADM in shelf A to the MID_IN port of the second
OADM in shelf B.
c. Connect the MID_IN port of the second OADM in shelf A to the MID_OUT port of the first OADM
in shelf C.
d. Connect the MID_OUT port of the second OADM in shelf A to the MID_IN port of the first OADM
in shelf C.
Step 3 In addition to the cables already connected to the first OADM module in slot 0 of shelf B, make the
following connections:
a. Connect the MID_IN port of the first OADM in shelf B to the TRUNK_OUT port of the first OADM
in shelf C.
b. Connect the MID_OUT port of the first OADM in shelf B to the MID_OUT port of the first OADM
in shelf C.
Step 4 In addition to the cables already connected to the second OADM module in slot 0 of shelf B, make the
following connections:
a. Connect the TRUNK_IN port of the second OADM in shelf B to the MID_OUT port of the second
OADM in shelf C.
b. Connect the TRUNK_OUT port of the second OADM in shelf B to the MID_IN port of the second
OADM in shelf C.
Step 5 Connect the TRUNK_IN and the TRUNK_OUT ports of the second OADM in shelf C to the east side
trunk.
Note The IN ports on the OADM module (slot 0) are on the left, the OUT ports are on the right.
(See Figure 1-16 on page 1-21).