Lucent Technologies Switch P115G User Manual

Lucent Technologies  
Installation Guide  
Cajun P115G  
STACKABLE WORKGROUP SWITCH  
Cat No. 130008 Rev.0 September 1998  
.
 
Preface  
Safety Instructions  
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.  
2
Cajun P115G Stackable Switch Installation Guide  
 
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.  
Cajun P115G Stackable Switch Installation Guide  
3
 
Chapter 1  
Description  
4
Cajun P115G Stackable Switch Installation Guide  
 
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.  
Cajun P115G Stackable Switch Installation Guide  
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Chapter 2  
Installation  
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: Ignore  
Use management  
settings.  
Ignore switches.  
control by management  
station or DIP switches.  
management  
settings.  
Use switches.  
100M 1-8,  
Selection of port speed  
100 Mbps  
10 Mbps  
100M 9-16,  
and 100M  
17-24 Switches  
100M  
FDX  
FX  
Selection of uplink speed for  
copper port only.  
100 Mbps  
Full duplex  
Fx  
10 Mbps.  
Half-duplex  
Tx  
Selection of uplink Half/Full  
Duplex mode.  
Selection of fiber optic or  
copper line on uplink port.  
(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.  
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Cajun P115G Stackable Switch Installation Guide  
 
Chapter 2  
Installation  
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.  
Cajun P115G Stackable Switch Installation Guide  
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Chapter 2  
Installation  
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.  
8
Cajun P115G Stackable Switch Installation Guide  
 
Chapter 2  
Installation  
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.  
Cajun P115G Stackable Switch Installation Guide  
9
 
Chapter 2  
Installation  
Rack Mounting  
Cajun switches slot into a standard 19 inch rack.  
Remove the rubber legs from the base of any switch that is to be rack mounted.  
Place the switches in the rack, as follows:  
1. Snap open the ends of the front panel to reveal the fixing holes.  
2. Insert the switches into the rack so that the switches in a logical stack lie directly  
on top of each other. Ensure that the Cajun screw holes are aligned with the rack  
hole positions exactly as shown in figure 3. Stacking them in this way will allow  
the switches to be easily connected using the Cajun P110 Exoplane cables.  
3. Secure the switches in the rack using the screws. Use one screw on each side. Do  
not overtighten the screws in order not to damage the plastic.  
4. Connect the Cajun P110 Exoplane cables, as described above, and as illustrated in  
Figure 2.  
5. Snap closed the hinged ends of the front panel.  
Figure 3  
Cajun rack mounting arrangement  
10  
Cajun P115G Stackable Switch Installation Guide  
 
Chapter 2  
Installation  
Diagnostics  
Tables 2 and 3 explain the meaning of the Cajun P115G Stackable Switch diagnostic  
LED indicators.  
Figure 4  
The Cajun P115G Stackable Switch Front Panel LEDs and Buttons  
Table 2  
Meaning of the Cajun P115G Stackable Switch Front Panel Buttons  
Button  
Function Meaning  
Select  
The buttons determine what function will be displayed by the Port  
LEDs.  
The five Function LEDs (above the Select buttons) show which  
function is currently displayed by the Port LEDs. The Port LEDs can  
display either Link, Collision, Receive, Full Duplex, Flow Control or  
100 M status  
If, for example, the Link (LNK) LED is lit then LEDs 1 to 24 and the  
uplink LED 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 for a second or more to  
reset the entire Cajun P110 stack. Upon reset, all LED indicators turn  
on. Resetting the unit does not affect configuration settings.  
Cajun P115G Stackable Switch Installation Guide  
11  
 
Chapter 2  
Installation  
Table 3  
Meaning of the Cajun P115G Stackable Switch front panel LEDs  
LED Indicator  
Function  
Power  
Status  
Meaning  
PWR  
OFF  
ON  
Mains power not connected  
Mains power connected  
Blinking  
Working on back-up power supply  
NMA  
Agent  
OFF  
ON  
No agent in hub  
Hub contains an active agent  
Port  
LEDs  
1 to 24  
Each LED can display one of the following functions: Link, Collision,  
Receive or 100 M states, depending on what has been selected using the  
Select buttons.  
Uplink  
LED  
Displays one of the following functions: Link, Collision, Receive, Full  
Duplex/Flow Control, or 100 M states, depending on what has been selected  
using the Select buttons.  
Function LED  
LNK  
Port LED  
Link status  
OFF  
ON  
Port is not connected.  
Port is enabled and link is OK  
Single Blink Link Test Fail or Partition in segment  
ports.  
Link Test Fail on uplink port.  
COL  
Rx  
Collision  
OFF  
ON  
No Collision  
Collision occurring on line  
Receive  
from line  
OFF  
ON  
No Data Received  
Data Received  
FDX/FC  
Half/Full  
duplex and  
Flow  
OFF  
ON  
Blinking  
Port in Half Duplex mode  
Port in Full Duplex mode  
Port in Full Duplex mode and Flow  
Control mode  
control  
100 M  
Uplink or  
Group port  
speed  
OFF  
ON  
10 Mbps  
100 Mbps  
12  
Cajun P115G Stackable Switch Installation Guide  
 
Chapter 2  
Installation  
Management Application Notes  
1. When a segment port is disabled, the whole segment is disabled.  
2. A disabled port reports its link as okay, regardless of its status.  
Cajun P115G Stackable Switch Installation Guide  
13  
 
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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