Cisco ONS 15454 DWDM - Terminal Node

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Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Chapter 17 Node Reference
17.1.3 OADM Node
Figure 17-3 Terminal Node Configuration Example
17.1.3 OADM Node
An OADM node is a single ONS 15454 node equipped with cards installed on both sides and at least one
AD-xC-xx.x card or one AD-xB-xx.x card and two TCC2/TCC2P cards. 32MUX-O or 32DMX-O cards
cannot be installed in an OADM node. In an OADM node, channels can be added or dropped
independently from each direction, and then passed through the reflected bands of all OADMs in the
DWDM node (called express path). They can also be passed through one OADM card to another OADM
card without using a TDM ITU line card (called optical passthrough) if an external patch cord is
installed.
Unlike express path, an optical passthrough channel can be converted later to an add/drop channel in an
altered ring without affecting another channel. OADM amplifier placement and required card placement
is determined by the Cisco MetroPlanner tool or your site plan.
OADM nodes can be amplified or passive. In amplified OADMs, the OPT-PRE and the OPT-BST
amplifiers are installed on the east and west sides of the node. Figure 17-4 shows an example of an
amplified OADM node configuration.
OPT-BST
OPT-PRE
32MUX-O
DCU
Air ramp
Available
32DMX-O
Available
OSCM
TCC2/TCC2P
Available
TCC2/TCC2P
Available
Available
Available
Available
Available
AIC-I
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