Lucent Technologies Cajun P115G Manuale utente

Cat No. 130008 Rev.0 September 1998 .

Lucent Technologies

Installation Guide

Cajun P115G

STACKABLE WORKGROUP SWITCH

Cajun P115G Stackable Switch Installation Guide 1

Preface

Important information

SAFETY PRECAUTIONS

CAUTION – TO REDUCE THE RISK OF ELECTRIC SHOCK AND FIRE

1. All servicing should be undertaken ONLY by qualified personnel. The parts inside the unit

CANNOT be serviced or repaired by the end user. Please call your service representative for

assistance.

2. Do NOT plug in, turn on or attempt to operate a damaged unit.

3. Ensure that the chassis ventilation slots in the unit are NOT BLOCKED.

4. Replace a “blown” fuse only with the same type and rating as is marked on the safety label

adjacent to the power inlet housing the fuse.

5. DO NOT operate the unit in a location where the maximum ambient temperature exceeds

40ºC.

6. Be sure to unplug the power supply cord from the wall socket BEFORE attempting to remove

and/or check the main power fuse.

PRECAUTIONS DE SECURITÉ

AVERTISSEMENT – POUR RÉDUIRE LE RISQUE DE CHOC ÉLECTRIQUE ET D’INCENDIE

1. Tout entretien doit être fait UNIQUEMENT par un personnel de service qualifié. Aucun

élément ne peut être réparé par un particulier.

2. NE PAS brancher, allumer ou essayer de faire fonctionner une unité sur laquelle un doute

existe quant à son bon fonctionnement.

3. S’assurer que les ouvertures d’aération du châssis dans l’appareil NE SONT PAS

OBSTRUEES.

4. Remplacer un fusible défaillant UNIQUEMENT par un modèle du même type suivant les

recommandations indiquées sur l’étiquette de securité posée dans le logement du fusible.

5. NE PAS faire fonctionner l’appareil dans un endroit où la temperature dépasse les 40ºC.

6. S’assurer de débrancher l’alimentation électrique AVANT toute manipulation sur le fusible

principal.

SICHERHEITSVORKEHRUNG

ACHTUNG – ZUR VERHINDERUNG DES RISIKOS VON ELEKTRISCHEM SCHLAG UND FEUER

1. Die Geräte enthalten keine Bauteile, die außerhalb des Lucent Servicezentrums gewartet oder

repariert werden können. Die Wartung darf NUR von qualifiziertem, technischem Personal

durchgeführt werden.

2. NIEMALS ein beschädigtes Gerät einschalten, oder versuchen es zu bedienen.

3. Vergewissern Sie sich, dass die Chassis Ventilationsöffnungen des Gerätes NICHT

BLOCKIERT sind.

Preface Safety Instructions

2 Cajun P115G Stackable Switch Installation Guide

4. Austauschen einer durchgebrannten Sicherung NUR mit der gleichen Sorte und Belastbarkeit

wie sie auf der Sicherheitsaufschrift markiert ist. Die Aufschrift befindet sich neben der

Stromzufuhr wo sich auch der Sicherungskasten befindet.

5. Bedienen Sie das Gerät NICHT an einer Stelle an der die Umgebungstemperatur 40ºC

übersteigt.

6. Ziehen Sie das Netzkabel raus, BEVOR Sie versuchen die Hauptsicherung zu kontrollieren

oder auszutauschen.

Cajun P115G Stackable Switch Installation Guide 3

Chapter 1

Overview

This guide is divided into two sections:

• Overview: A general description of the features of the Lucent Technologies’

Cajun™ P115G Stackable Switch.

• Installation: Instructions for getting the Cajun P115G Stackable Switch and Cajun

P110 hub stack up and running.

Description

The Cajun P115G Stackable Switch is part of the Cajun P110 Switching System family

of workgroup switches. The Cajun family is composed of high-performance workgroup

switches, which may be used singly or stacked in any combination to make up a multi-

protocol, non-blocking, scalable switch.

The Cajun P115G is a workgroup switch with 24 ports divided into three shared

groups and an additional Ethernet/Fast Ethernet uplink port which can be either

copper or fiber-optic. The three groups consist of eight Ethernet/Fast Ethernet

(10/100BASE-T) ports each. The shared ports are ideal for workgroup connectivity,

while the uplink port can be used for high performance workstations or uplink.

When operated as part of a stack, a Cajun P110 NMA to manage the switches. The

units are physically linked using the Cajun P110 Exoplane™, which makes up a multi-

gigabit, non-blocking backplane. Any combination of two, three or four Cajun switches

can be stacked, and up 32,000 MAC addresses per stack are supported.

The uplink port can run at full or half duplex. Shared ports run in half duplex mode

only, and setting the speed (10 or 100 Mbps) operates at group level. With a Cajun

P110 NMA installed, the UTP uplink port can perform standards-based auto-

negotiation. Redundancy on the uplink ports can be defined via CajunView, Lucent

Technologies’ SNMP-based management system. A redundant power supply may be

used for enhanced fault tolerance.

The Cajun P115G uplink port can use Lucent’s flow control mechanism to eliminate

packet loss. An automatic fairness mechanism ensures that all ports gain fair access to

the Cajun P110 Exoplane, even at very high network utilization. Congestion

management works both on full and half duplex ports, and ensures no packet loss

should the buffers become saturated during peak load conditions.

Cajun switches are fully manageable, using CajunView™, and may be monitored using

the SMONMaster™ Switch Monitoring Application.

Chapter 1 Description

4 Cajun P115G Stackable Switch Installation Guide

Cajun P115G Stackable Switch Installation Guide 5

Chapter 2

Installation

Setting the DIP switches

First, set the DIP switches. The drawing below shows the default positions of the DIP

switches on the rear panel of the Cajun P115G.

Figure 1 The Cajun P115G Stackable Switch Rear Panel Showing the DIP

Switches in their Default Positions

The DIP switches control the three groups of eight 10/100 Mbps ports and the uplink

port. The ports can also be controlled by CajunView, or any SNMP network

management application via the Cajun P110 NMA. A detailed explanation of the DIP

Switches follows.

• USE SW (Use Switches): Selects whether the 10/100 mode will be controlled from

the management station or by the DIP switches.

When set to ON, 10/100 Mbps switch and uplink settings are determined by the

DIP switches only. Settings can be monitored, but not changed, by the management

station.

When set to OFF, the DIP switch settings are ignored and the 10/100 Mbps port

and uplink functionality are controlled from the management station via the Cajun

P110 NMA.

Set to ON when you do not have SNMP management, or when you want to

ensure that the settings cannot be changed through management.

Notes:

• In standalone mode (that is, with no Cajun P110 NMA installed), the 10/100 mode

is always controlled via DIP switches 100M 1-8, 100M 9-16, and 100M 17-24,

irrespective of the position of the USE SW DIP switch.

• Configure all ports to 100M unless they are specifically used in 10M mode.

• Always reset the unit after changing switch configurations.

Chapter 2 Installation

6 Cajun P115G Stackable Switch Installation Guide

• 100M 1-8, 100M 9-16, and 100M 17-24: Selects whether the port groups will

operate at 10 Mbps or 100 Mbps.

• 100M: Selects whether the copper uplink port will operate at 10 Mbps or

100 Mbps.

• FDX: Selects whether the uplink will operate at full or half duplex mode.

Note: FDX with Flow Control is supported for the uplink port only when a Cajun

P110 NMA is present.

• FX: Selects whether the uplink is through a fiber-optic line or a copper line.

Note: Only the Ethernet uplink port can operate in full duplex mode. The 24

individual ports can only be used in half duplex mode.

Table 1 DIP Switches on the Cajun P115G Stackable Switch

Switch Function ON OFF

USE SW

(Use Switches) Selection of operational mode:

control by management

station or DIP switches.

Ignore

management

settings.

Use switches.

Use management

settings.

Ignore switches.

100M 1-8,

100M 9-16,

and 100M

17-24 Switches

Selection of port speed 100 Mbps 10 Mbps

100M Selection of uplink speed for

copper port only. 100 Mbps 10 Mbps.

FDX Selection of uplink Half/Full

Duplex mode. Full duplex Half-duplex

FX Selection of fiber optic or

copper line on uplink port. Fx Tx

(right-most

switch) Not used

The shaded cells show the default settings for the DIP switches.

Once you have set the switches, you may proceed with the physical installation of the

hub.

Chapter 2 Installation

Cajun P115G Stackable Switch Installation Guide 7

Installing the Cajun P115G Stackable Switch

The procedure for getting the Cajun P115G Stackable Switch up and running depends

on whether the hub is to operate standalone or as part of a stack.

First, attach the adhesive rubber legs to the base of the Cajun switch. If the switch is

to be rack mounted, do not attach the legs.

Standalone Operation - Plug ‘n’ Play

Getting the Cajun hub working is quick and easy:

1. Connect the power cable to the hub,

2. Connect the cables to the front panel ports,

To ensure proper ventilation, ensure that the Cajun P110 NMA slot is closed.

The hub is now fully operational. By default, all ports will operate as 100 Mbps ports,

in half-duplex mode. Port speed can be changed using the DIP switches

Stacked Operation

To make the Cajun P115G work as part of a stack (or to give SNMP management

capabilities to a single Cajun P115G), a Cajun P110 NMA with software version 8.4 (or

higher) is required. See the Release Notes for the required version.

You should make sure the Cajun P110 NMA has the latest agent software. To check

what software version you have, see the agent configuration window in CajunView (on

UNIX), or see the setup main menu of the Cajun P110 NMA.

1. Before adding a switch to the Cajun P110 stack, turn off the main power to the

stack, by individually unplugging each hub.

2. Place the Cajun P110 NMA in the top hub of the stack.

3. If the Cajun P110 NMA contains the latest software version, go to step 4.

If the Cajun P110 NMA does not contain the latest agent software, you should

perform a software download of the latest version. The latest software version is

always shipped with the Cajun P110 NMA.

Download is performed via FTP using a Terminal console or via CajunView –

details can be found in the Cajun P110 NMA installation Guide.

Chapter 2 Installation

8 Cajun P115G Stackable Switch Installation Guide

Note: Configuration parameters will be set back to factory defaults if they were set

using the management station. The factory default parameters are described in the

Cajun P110 NMA 8.4 Release Note.

4. Place the Cajun P115G and any other additional Cajun P110 hubs in the stack.

5. Connect Cajun hubs using the Cajun P110 Exoplane cables, as shown in Figure 2.

A hub connects to its upper neighbor through two Exoplane cables, and to its

lower neighbor through another two Exoplane cables.

Make sure that the Cajun P110 Exoplane cables are correctly seated by gently

exerting pressure on the back of the connector.

Cabling Requirements:

• When using the Cajun P115G, P116T, P114T or P114F in the stack, make sure

all switches in the stack are connected using Cajun P110 Exoplane cables with

white connectors and marked C/S:B or higher (part number 4705-019). Extra

cables can be ordered from your local Lucent Technologies representative.

• The Cajun P110 Exoplane link (which consists of two cables for connecting a

Cajun unit to a stack) is not included with the Cajun P115G. You need to order

the Exoplane link separately (part number 4705-019). The Cajun P110 NMA is

provided with its own Exoplane link and terminators.

Chapter 2 Installation

Cajun P115G Stackable Switch Installation Guide 9

Figure 2 Rear View of a Cajun P110 Stack, Showing how the Units are linked via the

Cajun P110 Exoplane Cables. A Cajun P110 NMA Resides in the Uppermost

Unit.

6. Two terminators are supplied with the Cajun P110 NMA. Insert the two

terminators into the lowest two connectors at the bottom of the stack, as shown in

Figure 2.

7. Turn on the mains power to the stack, by individually plugging in each hub.

8. Connect the cables to the front panel ports.

Notes:

• If the Cajun P110 NMA in the stack contains software version 8.4 or higher, the

stack is now fully operational.

• When a new version of the Cajun P110 NMA software becomes available, you

should perform software download to benefit from the extra capabilities

provided. See the Cajun P110 NMA Installation Guide for details.

Note: When a Cajun P110 switch is added to, removed from or swapped in a stack,

all Ethernet port settings (Administration Status, Port Mode, port speed and VLANs)

will return to their default values.

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