Chapter 1 Describing the optical routing system 21

Figure 5 shows an example of two separate fiber paths in a ring configuration traveling in opposite or east/west directions into the network.

Figure 5 CWDM OADM ring configuration example

PP 8600

CARRIER

HOTEL SITE

 

PP 8600

PP 8600

PP 8600

OFFICE

BUILDING A

OFFICE

BUILDING B

OADM

OADM

OMUX OMUX

PP 8600

OADM

OFFICE

BUILDING C

For information on calculating network transmission distance, see Chapter 2, “Calculating transmission distance,” on page 27 .

Optical multiplexer/demultiplexer description

The passive CWDM OMUX sends and receives signals to/from CWDM GBIC transceivers installed in the switch. It multiplexes and demultiplexes four or eight CWDM wavelengths from a two-fiber (east and west) circuit. It allows you to create uni-directional network traffic rings or point-to-point links.

The CWDM OMUX (Figure 6) is installed in a 19-inch, rack-mounted 1RU optical shelf (Figure 15).

Installation and Networking Guidelines for Optical Routing

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Nortel Networks 10396EA, 10292FA manual Optical multiplexer/demultiplexer description, Cwdm Oadm ring configuration example