Cisco ONS 15454 DWDM Reference Manual

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Cisco ONS 15454 DWDM Reference Manual, R8.5
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Chapter 9 Node Reference
9.4.3 Mesh Patch Panels and Shelf Layouts
topologies of up to eight degrees can be created. The four-degree patch panel contains four 1x4 optical
splitters, and the eight-degree patch panel contains eight 1x8 splitters. Each mesh patch panel contains
a 2x8 splitter that is used for the test access transmit and receive ports. Figure 9-27 shows a block
diagram for the four-degree patch panel.
Figure 9-27 Four-Degree Patch Panel Block Diagram
At the mesh patch panel, the signal is split into four signals (if four-degree patch panel is used) or eight
signals (if an eight-degree patch panel is used). Figure 9-28 shows the signal flow at the four-degree
patch panel. 40-WXC-C cards connect to the four-degree patch panel at the EXP TX and COM RX ports.
159335
EXP TX
to all
directions
COM RX
from all
directions
Test
Access
TX Ports
Test Access
RX Port
2x4
splitter
#4
1x4
splitters
LC connector
MPO connector

Cisco ONS 15454 DWDM Specifications

General

Chassis Type	DWDM
Form Factor	Rack-mountable
Slots	17
Storage Temperature	-40 to 158°F (-40 to 70°C)
Relative Humidity	5% to 95% non-condensing
Power Supply	AC or DC
Cooling	Internal fans
Operating Temperature	23 to 104°F (-5 to 40°C)
Altitude	0 to 6500 ft (0 to 1981 m)
Safety Compliance	EN 60950-1
EMI Compliance	FCC Part 15