Chapter 1 Product Overview

System Modules

NEMI LEDs

Table 1-9 describes the functions of the LEDs shown in Figure 1-18.

Table 1-9 NEMI LED Descriptions

LED

Color

Description

 

 

 

Power

Green

Power is on.

 

 

 

Error

Red

An error is occurring.

 

 

 

Err. Int.

Red

An error on the internal bus is occurring.

BUS

 

 

 

 

 

Err. Ext.

Red

An error on the external bus is occurring.

BUS

 

 

 

 

 

Receive

Blinking green

Link is active; traffic is on the network.

 

 

 

Link

Green

Link is established. The 10BASE-T

 

 

network link is established.

 

 

 

For more information about NEMIs, refer to the Cisco Metro 1500 Series

Software Configuration Guide.

Device Element Management Interface

The device element management interface (DEMI) is a single-slot module that resides in chassis A, C, E, and G. This interface provides status and configuration capabilities of the extension frame in which it is installed to the corresponding NEMI. A DEMI module is needed to administer systems with more than 8 WCMs or 4 TDM4Es. A DEMI and a NEMI have to be linked by an external bus cable. The DEMI module provides the following:

Monitoring of the system bus in the extension chassis in which it is installed.

Bidirectional communication to the NEMI to which it is physically attached using an external bus cable. Management and configuration control information is passed to and from the attached NEMI.

Systems with 24 to 32 channels require the installation of a second DEMI in extension chassis C.

 

 

Cisco Metro 1500 Series Hardware Installation Guide

 

 

 

 

 

 

78-10588-03

 

 

1-41

 

 

 

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Cisco Systems 1500 manual Nemi LEDs, Device Element Management Interface, Color Description

1500 specifications

Cisco Systems, a leader in networking and IT solutions, has a long history of providing innovative technologies for businesses of all sizes. One of their notable offerings is the Cisco Systems 1500 series, a robust and flexible networking solution designed to meet the demands of modern enterprises. The Cisco 1500 series is particularly recognized for its capabilities in delivering high-performance routing and switching services, ensuring reliable connectivity across various environments.

One of the main features of the Cisco 1500 series is its ability to operate in diverse environments, including branch offices and remote locations. Backed by Cisco's proprietary software, the 1500 series includes advanced routing protocols that enhance performance while optimizing bandwidth usage. This is crucial for businesses that rely on real-time data transmission for applications like voice over IP (VoIP) and video conferencing.

In addition to routing capabilities, the Cisco 1500 series is designed with enhanced security features. Integrated firewalls, intrusion prevention systems (IPS), and secure VPN options ensure that data remains protected from potential threats. The ability to implement rich security policies at branch locations is essential for organizations looking to safeguard sensitive information while maintaining regulatory compliance.

Another key characteristic of the Cisco 1500 series is its support for Cisco's Software-Defined Wide Area Network (SD-WAN) technology. This feature allows businesses to manage their WAN connections more efficiently, increasing agility and reducing costs. By utilizing software-based controls, organizations can optimize traffic flows and respond to changing network conditions in real-time.

Scalability is an essential aspect of the Cisco 1500 series, providing businesses the flexibility to grow without major overhauls of their infrastructure. The ability to support multiple connections and integrate seamlessly with cloud services makes the 1500 series an ideal choice for hybrid environments.

Additionally, the Cisco 1500 series is equipped with management and monitoring tools that enhance visibility into network performance. This includes Cisco DNA Center and other network management platforms that deliver insights, automate processes, and streamline operations.

In summary, the Cisco Systems 1500 series combines high-performance routing, robust security, support for SD-WAN, and scalability to meet the challenges of contemporary networking. As companies increasingly adopt digital transformation strategies, solutions like the Cisco 1500 series are vital for ensuring seamless connectivity, security, and adaptability in an ever-evolving technological landscape.