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

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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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Contents Product Overview Communication Channels Shows the multiplexer architecture Primary and Extension Chassis Chassis a WCM Nemi slave Chassis B Nemi masterChassis C WCM Ethernet cables Ethernet hub External bus cableExpansion Modules DMX Power 1 PowerExtension Chassis B DMX PowerWCM DMX Demi MUX PowerPlate Fan moduleIdentification Channel Escon System Channel WCM SystemChassis Dimensions222 mm LabelingMbps Main Properties Specification125, 155 Mbps 4x200 MbpsAirflow System Power Supply ModuleSystem Modules Maximum R/R 1 Input Part Number PowerWavelength Channel Modules Data Rate Transparent WCMs Label Color WCMs with Fixed Clock RecoveryData Rate Transparent Front Panel LEDs Clock Recovery Front Panel LEDs WCMs with Settable Clock Recovery Optical Connectors of the WCM Multiplexer and Demultiplexer Modules Optical Connectors of a WCMMUX DMX Optical Connectors of the MUX and DMXCommon transmitter output Unused connectorBand Splitter Module Optical Connectors of the BSM 12 Optical Connectors of the BSM in a 32-Channel WCM System Remote Switch ModuleProduct Overview System Modules Label Description RSM Push Buttons and LEDsLabel1 Description Optical Connectors of the RSMLabel Color Description Modes of Operation TDM4E Wavelength Channel Modules 14 TDM4E System Configuration One Wavelength Only Product Overview System Modules Transmission RSM fiber lines Receiving fiber lines 15 TDM4E Multiplexer ArchitectureLocal transmitter connector Remote transmitter connector Optical Connectors of the TDM4ELocal receiver connector Remote receiver connector LR4 TDM4E LEDsLT4 Network Element Management Interface Nemi Ports Nemi Location Placement18 Nemi Front Panel Color Description Nemi LEDsDevice Element Management Interface Demi location Demi Location PlacementDemi Ports 20 shows the front panel of the Demi Demi LEDsEthernet Hub
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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.
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