Cisco Systems Cisco ME 3400E UNIs, NNIs, and ENIs, LEDs

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Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

OL-16447-01

Chapter 1 Product Overview

Front Panel

See the “Inserting and Removing the SFP Module Patch Cable” section on page 2-21 for more

information about using the SFP module patch cable.

You can order the SFP module patch cable (part number CAB-SFP-50CM=).

UNIs, NNIs, and ENIs

The switch supports user-network interfaces (UNIs), network node interfaces (NNIs), and enhanced

network interfaces (ENIs). UNIs are typically connected to a host, such as customer premises equipment

(CPE) or a home access gateway. NNIs are typically connected to a router or to another switch. ENIs

have the same functionality as UNIs, but can be configured to support protocol control packets for

Cisco Discovery Protocol (CDP), Spanning-Tree Protocol (STP), Link Layer Discovery Protocol

(LLDP), EtherChannel Link Aggregation Control Protocol (LACP), or Port Aggregation Protocol

(PAgP). Every port is in an UNI, ENI, or NNI mode at any time, but not all ports have to all be set the

same.

By default, the dual-purpose ports on the Cisco ME 3400E-12CS-M and on the

Cisco ME 3400EG-2CS-A are configured as UNIs, and the SFP-only uplink ports are configured as

NNIs. You must specifically configure ports to be ENIs; no ports are ENIs by default. By default, the

10/100 ports on the Cisco ME 3400E-24TS-M are UNIs, and the dual-purpose ports are NNIs.

A port can be reconfigured from UNI to NNI or an ENI, and the reverse. When a port is reconfigured as

another interface type, it inherits all the characteristics of that interface type. For information on

configuring interfaces, see the switch software configuration guide.

LEDs

You can use the switch system and port LEDs to monitor switch activity and performance.

• Switch LED Panels, page 1-8

• Power-Supply Module LEDs, page 1-9

• Ethernet Management Port LED, page 1-10

• Alarm LEDs, page 1-11

• Port LEDs, page 1-11

• Dual-Purpose Port LEDs, page 1-11

Contents

Main Page CONTENTS Page Page Page Preface Audience Purpose Related Publications Obtaining Documentation and Submitting a Service Request Page Product Overview Setting Up the Switch Switch Models Front Panel 6 3 5 4 7 1 Page AC- and DC-Power Input Connectors Alarm Input Port Management Port 10/100 Fast Ethernet Ports Dual-Purpose Ports SFP Modules SFP Module Patch Cable UNIs, NNIs, and ENIs LEDs Switch LED Panels Power-Supply Module LEDs Ethernet Management Port LED Alarm LEDs Port LEDs Dual-Purpose Port LEDs Rear Panel Power Supply Features Management Options Network Configurations Switch Installation Warnings 2-2 environment. 2-3 You can use the grounding lug to attach a wrist strap for ESD protection during servicing. Installation Guidelines Verifying Switch Operation Powering Off the Switch Installing the Switch Rack-Mounting Removing Screws from the Switch Attaching Brackets to the Switch Attaching Brackets for 19-Inch Racks Attaching Brackets on Cisco ME 3400EG-2CS-A for 19-Inch, 23-Inch, and 24-Inch Racks Attaching Brackets for 23-Inch Racks Attaching Brackets for 24-Inch Racks Page Mounting in a Rack Wall-Mounting Attaching Brackets for Wall-Mounting Mounting the Switch on a Wall Cisco ME 3400EG-12CS-M Cisco ME 3400E-24TS-M Cisco ME 3400EG-2CS-A Table- or Shelf-Mounting Installing and Removing SFP Modules Installing SFP Modules Page Removing SFP Modules Inserting and Removing the SFP Module Patch Cable Removing the SFP Module Patch Cable Connecting to the 10/100 and 10/100/1000 Ports Page Connecting to Fiber-Optic SFP Modules Connecting to 1000BASE-T SFP Modules Connecting to Dual-Purpose Ports Where to Go Next Installing and Removing AC- and DC-Power-Supply Modules Product Overview Power-Supply Module Description Handle-Side Description 2 3 PSU OK +24V -48V Connector-Side Description Power-Supply Module Installation Tools and Equipment Installation Guidelines Installing an AC-Power-Supply Module AC-1 AC-2 PSU-1 PSU-2 Removing AC-Power-Supply Modules Installing a DC-Power-Supply Module Preparing for Installation Grounding the Switch Page Installing the DC-Power-Supply Module in the Switch Wiring the DC-Input Power Source PSU OK +24V -48V Page Page Page Removing the DC-Power-Supply Module Power Supply Settings Page Troubleshooting Diagnosing Problems Switch POST Results Switch LEDs Switch Connections Bad or Damaged Cable Ethernet and Fiber Cables Link Status SFP Module Port Issues Port and Interface Settings Ping the End Device Spanning Tree Loops Switch Performance Clearing the Switch IP Address and Configuration Finding the Switch Serial Number Page A Technical Specifications Environmental Ranges and Technical Specifications for the Switch Page Page Page Page Environmental and Technical Specifications for the Power-Supply Modules Page Page B Connector and Cable Specifications Connector Specifications 10/100 SFP Module Connectors B-3 Dual-Purpose Ports The 10/100/1000 Ethernet ports on the dual-purpose ports use standard RJ-45 connectors. 10/100 Ethernet Management Port The 10/100 Ethernet management port uses standard RJ-45 connectors with Ethernet pinouts. Alarm Input Port Cables and Adapters SFP Module Cables Page B-6 Cable Pinouts Console Port Adapter Pinouts Page C Configuring the Switch with the CLI-Based Setup Program Accessing the CLI Through the Console Port Starting the Terminal-Emulation Software Entering the Initial Configuration Information IP Settings Completing the Setup Program Page Page INDEX Numerics A B D E F G H I J P R S T U W