Chapter 2 Quick Installation Procedures

Installing Cisco ONS 15540 ESP Hardware

Installing 4-Channel or 8-Channel Mux/Demux Modules

This section describes the procedure for installing a 4-channel or 8-channel mux/demux module in the Cisco ONS 15540 ESP. To install the module, follow these steps:

Step 1 Remove the dust covers from the module, and clean the optical connectors. See the “Cleaning Optical Connectors” section on page 2-28 .

Caution Wear grounding wrist straps to avoid ESD damage to the card. Do not directly touch the backplane with your hand or any metal tool, or you could shock yourself.

Step 2 Insert the module carefully into the motherboard slot while guiding the upper and lower edges of the module in the tracks until its connectors come into contact with the backplane connectors. You hear a click when it is connected.

Table 2-2lists the LEDs on the mux/demux motherboard with OSC faceplate, their default conditions, and what the conditions indicate.

Installing 16-Channel Mux/Demux Modules

This section describes the procedure for installing 16-channel mux/demux modules in the

Cisco ONS 15540 ESP. To install the 16-channel mux/demux module, follow these steps:

Step 1 Remove the dust covers from the module, and clean the optical connectors. See the “Cleaning Optical Connectors” section on page 2-28 .

Step 2 Insert the correct inset tray for the 16-channel mux/demux module and secure the tray to the motherboard by tightening the screws.

Step 3 Insert the 16-channel mux/demux module with OSC carefully into the top motherboard slot while guiding the upper and lower edges of the module in the tracks until its connectors come into contact with the backplane connectors. You hear a click when it is connected.

Step 4 If you are installing a second 16-channel mux/demux module, insert the module without OSC carefully into the bottom motherboard slot while guiding the upper and lower edges of the module in the tracks until its connectors come into contact with the backplane connectors. You hear a click when it is connected.

Installing Line Card Motherboards and Transponder Modules

You can install up to eight hot-swappable line card motherboards in slots 2 to 5 and 8 to 11 of the Cisco ONS 15540 ESP chassis.

Each line card motherboard holds up to four transponder modules that have a single protocol-transparent and bit-rate transparent external interface to the client side network and an internal interface that connects over the system's backplane to the mux/demux modules. The transponder modules are hot-pluggable, allowing in-service upgrades and replacement.

Optical Transport Turn-Up and Test Guide

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Cisco Systems ONS 15540 Installing Line Card Motherboards and Transponder Modules, Installing 16-Channel Mux/Demux Modules
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ONS 15540 specifications

Cisco Systems ONS 15540 is a high-capacity Optical Network System that plays a vital role in modern telecommunications by providing scalable and reliable transport solutions for service providers. Designed to accommodate the rapidly increasing demand for bandwidth, the ONS 15540 allows for seamless integration of voice, video, and data services over a single network infrastructure.

One of the standout features of the ONS 15540 is its ability to support both SONET (Synchronous Optical Network) and SDH (Synchronous Digital Hierarchy) protocols, enabling interoperability between different equipment and networks. This compatibility makes it an attractive solution for carriers looking to optimize their existing infrastructure while also preparing for future growth. The system is capable of delivering line rates of up to 40 Gbps, making it suitable for high-traffic environments.

The ONS 15540 employs advanced wavelength division multiplexing (WDM) technology, which allows multiple data streams to be transmitted simultaneously over a single optical fiber. This capability maximizes the utilization of existing fiber resources and significantly increases bandwidth availability. The system supports both CWDM (Coarse Wavelength Division Multiplexing) and DWDM (Dense Wavelength Division Multiplexing) configurations, offering flexibility to meet diverse network needs.

Another significant characteristic of the ONS 15540 is its modular architecture. This design enables service providers to easily upgrade and expand their systems by adding new line cards or service modules without significant disruption. The ONS 15540 accommodates various types of interfaces, including Ethernet, TDM, and video, ensuring the system can support a wide range of applications.

In addition to its hardware features, the ONS 15540 includes sophisticated management capabilities through Cisco's comprehensive management tools. These tools allow network operators to monitor performance, provision new services, and perform troubleshooting efficiently. With built-in redundancy and fault-tolerant features, the system ensures high availability and reliability, critical for service providers that require 24/7 operation.

In summary, the Cisco Systems ONS 15540 optical networking system provides a robust solution for carriers seeking to enhance their network capacity and flexibility. With its support for multiple protocols, advanced WDM technology, modular architecture, and management capabilities, the ONS 15540 stands out as a powerful asset for meeting the demands of today’s communication landscape.
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