Lucent Technologies Cajun P112T Guide d'installation
- Catégorie
- Commutateurs réseau
- Taper
- Guide d'installation
Cat No. 130001 Rev.0 September 1998
Lucent Technologies
Installation Guide
CAJUN P112T
24-PORT STACKABLE ETHERNET
WORKGROUP SWITCH
Cajun P112T 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
50ºC.
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 50ºC.
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 P112T 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 50ºC
übersteigt.
6. Ziehen Sie das Netzkabel raus, BEVOR Sie versuchen die Hauptsicherung zu kontrollieren
oder auszutauschen.
Cajun P112T Stackable Switch Installation Guide 3
Chapter 1
Overview
This Installation Guide consists of three sections
• Description: A general description of the features of Lucent Technologies’
Cajun™ P112T Stackable Switch.
• Hub Installation: Step-by-step instructions for getting the hub up and running.
• Diagnostics: Illustration of the front panel with LED indicators and their
meanings.
Description
The Cajun P112T Stackable Switch provides wire-speed switching between 24
10Base-T ports and can operate in either half or full duplex Ethernet. Up to four hubs
can be stacked, and up 32,000 MAC addresses per stack are supported. A redundant
power supply may be used for enhanced fault tolerance.
The units are linked using the Cajun P110 Exoplane™ connectors. These make up a
multi-gigabit, non-blocking backplane. A stack of two or more hubs requires a Cajun
P110 NMA management agent.
The Cajun P112T Stackable Switch has a set of services which ensure zero data 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 ensures
no packet loss by throttling back the traffic from the sending stations should the
buffers become saturated during peak load conditions.
Chapter 1 Overview
4 Cajun P112T Stackable Switch Installation Guide
Cajun P112T Stackable Switch Installation Guide 5
Chapter 2
Hub Installation
The procedure for getting the Cajun P112T 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 switch. If the switch is to be
rack mounted, do not attach the legs.
Standalone Operation
Getting the Cajun P110 hub working is quick and easy:
1. Connect the power cable to the hub,
2. Connect the Ethernet 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.
In order to manage the Cajun P110 hub using Lucent CajunView™ (or any other
SNMP based management system), a Cajun P110 NMA network management agent is
required. To install the Cajun P110 NMA, refer to its Installation Guide.
Stacking Operation
To make the Cajun P112T work as part of a stack (and to give SNMP management
capabilities to a single Cajun P112T), a Cajun P110 NMA with the correct software
version is required. See the Cajun P112T Stackable Switch Release Notes for the
required version.
To check what software version you have, see the agent configuration window in
CajunView, 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 switching off each hub
2. Place the Cajun P110 NMA in the top switch 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 is in always shipped with the Cajun P110 NMA. You can also
download the new version from the Lucent Technologies FTP server. See the
Cajun P110 NMA Read Me First document for details.
Download is performed via TFTP using a Terminal console or via the timed
Download application from your management station. Details can be found in the
Cajun P110 NMA installation Guide.
Chapter 2 Hub Installation
6 Cajun P112T Stackable Switch Installation Guide
Note: Before you download the Cajun P110 NMA software agent, please note that
when upgrading from Cajun P110 NMA version 8.0 or below to 8.1 or higher, all port
configuration parameter settings will be lost. Make a note of any definitions before
changing the stack configuration.
The following parameters will be set back to the factory defaults if they were set
using the management station:
• In the Cajun P114T Stackable Switch the Port Speed (10/100 Mbps) parameter
will be set to 100 Mbps.
• In the Cajun P112T, Cajun P113T and Cajun P114T, the Port Mode (Half/Full
Duplex) parameter, will be set to Half Duplex.
• The Auto Sense (Auto-negotiation) parameter in the Cajun P114T Stackable will
be set to Disabled.
• All ports will lose their VLAN assignment and will be reassigned to Generic
VLAN.
• The Administration Status of all Cajun modules will be Enabled.
In order to avoid any possible loops, any port that you disabled using the
management software must be physically disconnected before software
download. Once you have downloaded the new software, set the port to disabled
again and then reconnect the cable.
4. Place the Cajun P112T in the stack. The Cajun P110 NMA must be in the top
hub of the stack.
To ensure proper ventilation, ensure that all empty Cajun P110 NMA slots in the
stack are closed.
5. Connect Cajun hubs using Cajun P110 Exoplane cables, as shown in Figure 1.
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.
Chapter 2 Hub Installation
Cajun P112T Stackable Switch Installation Guide 7
Cabling Requirements:
• For correct operation, the Cajun P110 Exoplane must be fully connected, with all
units powered up. In case units are stacked, the Cajun P110 NMA must be
installed and connected to the Cajun P110 Exoplane.
Failure to observe this requirement will cause the Cajun units to block all traffic
on attached stations and segments.
• When using the Cajun P114T or Cajun 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 (part number 108362203). Extra cables can
be ordered from your local Lucent Technologies representative.
Figure 1 Rear view of a Cajun P110 hub stack, showing how the hubs are linked via the
Cajun P110 P110 Exoplane cables. A Cajun P110 NMA resides in the
uppermost hub.
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 1.
7. Turn on the mains power to the stack, by individually switching on each hub.
8. Connect the fiber-optic cables to the front panel ports.
Chapter 2 Hub Installation
8 Cajun P112T Stackable Switch Installation Guide
Notes:
• If the Cajun P110 NMA in the stack contains the correct software version (as
specified in the Cajun P112T Stackable Switch Release Note) 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.
Rack Mounting
Cajun P110 hubs slot into a standard 19 inch rack.
Remove the rubber legs from the base of any hub that is to be rack mounted.
Place the hubs in the rack, and then connect the Cajun P110 Exoplane, as follows:
1. Snap open the ends of the front panel to reveal the fixing holes.
2. Slot the hub into the rack. Insert the hubs into the rack so that the hubs in a
logical stack lie directly on top of each other. Ensure that the Cajun P110 screw
holes are aligned with the rack hole positions exactly as shown in figure 3.
Stacking them in this way will allow the hubs to be easily connected using the
Exoplane cables.
3. Secure the hub in the rack using the screws. Use one screw on each side. Do not
overtighten the screws to avoid damaging the plastic.
4. Connect the Exoplane cables, as described above, and as illustrated in Figure 1.
5. Snap closed the hinged ends of the front panel.
Figure 2 Cajun P110 rack mounting arrangement
Chapter 2 Hub Installation
Cajun P112T Stackable Switch Installation Guide 9
Diagnostics
The following tables explain the meaning of the Cajun P112T Stackable Switch Select
and Reset button and diagnostic LED indicators.
Figure 3 – The Cajun P112T Stackable Switch front panel LEDs and buttons
Table 1 Cajun P112T Stackable Switch Select and Reset buttons
Button Meaning
Select
The buttons determine what function will be displayed by the
24 Port LEDs.
The five Function LEDs show which function is currently displayed
by the Port LEDs. The Port LEDs can display either Link, Collision,
Full Duplex, Transmit, or Receive.
If, for example, the Link (LNK) LED is lit then LEDs 1 to 24 will
display the Link status of every port.
Press the left or right button to toggle the Port LED display between
functions
Reset Press and hold both buttons simultaneously to reset the entire Cajun
P110 stack. Pressing Reset does not affect configuration settings.
Chapter 2 Hub Installation
10 Cajun P112T Stackable Switch Installation Guide
Table 2 Cajun P112T Stackable Switch front panel LED indicators
LED Indicator Status Meaning
PWR Power OFF
ON
Blink
Mains power not connected
Mains power connected
Working on back-up power supply
NMA Agent OFF
ON
No agent in hub
Hub contains an active agent
RED NMA Reserved for future use.
Port LEDs
1 to 24 Each LED can display Link, Collision, Full Duplex, Transmit,
and Receive states, depending on the what has been selected
using the Select buttons.
Function LEDs
LINK Link Status OFF
ON
Blink once
Blink twice
Port Disabled
Port is enabled and link is OK
Link Test Fail.
Partition.
COL Collision OFF
ON
No Collision
Collision occurred on line
FDX Half/Full Duplex OFF
ON
Half duplex – regular 10Base-T Ethernet is
connected to this port.
10Base-T Full Duplex device is connected to
this port, which means a throughput of
20 Mbps. In full duplex operation, no repeaters
are allowed in the path.
TX Transmit to line OFF
ON
No activity
Data transmitted
RX Receive from line OFF
ON
No activity
Data Received
Lucent Technologies Inc.,
Data Networking Systems,
211 Mt. Airy Rd., Basking Ridge,
NJ 07920.
Cajun and Cajun View are trademarks, and in some jurisdictions may be registered trademarks of Lucent Technologies or
its affiliated companies. Other trademarks appearing in this document are the property of their respective owners.
© Copyright 1998 Lucent Technologies. All rights reserved.
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Lucent Technologies Cajun P112T Guide d'installation
- Catégorie
- Commutateurs réseau
- Taper
- Guide d'installation
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