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3-1

 

CHAPTER 3

INSTALLING THE  IRM

 

This chapter contains instructions for installing the Cabletron Systems 
IRM into a Cabletron Systems' MMAC. Additional instructions are 
provided on setting the mode switches and for connecting segments to the 
IRM.

 

3.1

UNPACKING THE  IRM

 

Before you install the IRM, you should visually inspect the module. 
Unpack the module as follows:

1.  Remove the shipping material covering the IRM in the shipping box.

2. Carefully remove the module from the shipping box. Leave the 

module in its conductive bag until you are ready to install it. Save the 
shipping box and materials in the event the unit has to be reshipped.

3. Visually inspect the module. If any damage appears to have occurred, 

contact Cabletron Systems' Technical Support immediately.

 

3.2

SETTING THE IRM JUMPERS

 

On the IRM are five jumpers (See Figure 3-1). Three of the jumpers, JP2, 
JP4, and JP5, can be changed. JP1 is for Cabletron Systems use only and 
should not be changed from its default positions. JP3 is not used.

 

3.2.1

 Setting the Battery Enable/Disable Jumper (JP5)

 

The Battery Enable/Disable Jumper (JP5, Fig. 3-1) allows you to enable 
or disable the Battery Backed-up RAM on the IRM. When set to the 
Enabled position, all parameters that you enter into the IRM 

Содержание IRM

Страница 1: ...INTELLIGENT REPEATER MODULE IRM INSTALLATION GUIDE CABLETRON SYSTEMS P O Box 5005 Rocheter NH 03867 5005...

Страница 2: ......

Страница 3: ...ENTIAL DAMAGES WHATSOEVER INCLUDING BUT NOT LIMITED TO LOST PROFITS ARISING OUT OF ORRELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF KNOWN OR SH...

Страница 4: ...cause interference in which case the user at his own expense will be required to take whatever steps may be necessary to correct the interference If this equipment does cause interference to radio or...

Страница 5: ...s 2 1 2 2 OPERATING SPECIFICATION 2 2 CHAPTER 3 INSTALLING THE IRM 3 1 UNPACKING THE IRM 3 1 3 2 SETTING THE IRM JUMPERS 3 1 3 2 1 Setting the Battery Enable Disable Jumper 3 1 3 2 2 Setting the Defau...

Страница 6: ...CONTENTS iv...

Страница 7: ...nality and a discussion of the IRM s Management capabilities The chapter concludes with a list of related manuals Chapter 2 Installation Requirements Specifications contains a list of network requirem...

Страница 8: ...olled and monitored by IRM LM Local Management for the IRM via a terminal connected locally The IRM incorporates three IEEE 802 3 compliant ports that connect to external network segments two AUI port...

Страница 9: ...UCTION 1 3 Figure 1 1 Intelligent Repeater Module IRM IRM SN R C K FAIL CLN 1 M A U 3 2 3 P O K C O N S O L E A U I 2 A U I 1 RESET Reset Switch 15 Pin DB 15 AUI Ports 9 Pin RS232 Port BNC Port LANVIE...

Страница 10: ...or if a collision detector is on for more than 2 4 ms the IRM will automatically partition that segment from the MMAC The segment will automatically be reconnected to the MMAC when a packet is transm...

Страница 11: ...nagement Package User s Manual 1 6 RELATED MANUALS The manuals listed below should be used to supplement the procedures and other technical data provided in this manual The procedures will be referenc...

Страница 12: ...INTRODUCTION 1 6...

Страница 13: ...work segments to the IRM you must follow the network guidelines listed below 2 1 1 AUI Port Requirements When connecting a network segment to the IRM via a transceiver and an AUI Cable the following r...

Страница 14: ...al network design contact Cabletron Systems Technical Support Grounding For safety only one end of a thin net segment should be connected to earth ground Connection to earth ground at more than one po...

Страница 15: ...n approximately 2 4 ms This FAULT protection will reset automatically after one packet is transmitted onto the FAULT protected segment without causing a collision FRONT PANEL INDICATORS Fail Error Whe...

Страница 16: ...Chip associated with the port has passed an internal Loop Back Test and is ready for transmission green indicator CONSOLE PORT Type Standard 9 pin RS232 Port Pin 1 Not Used Pin 6 Not Used 2 Transmit...

Страница 17: ...to 40 C 41 to 104 F Non operating Temperature 30 to 90 C 22 to 160 F Operating Humidity 5 to 95 non condensing SAFETY Designed in accordance with UL478 UL910 NEC 725 2 b CSA IEC TW VDE class A Meets F...

Страница 18: ...NETWORK REQUIREMENTS SPECIFICATIONS 2 6 PHYSICAL PROPERTIES Dimensions 34 07D x 29 21H x 2 54W cm 13 4D x 11 5H x 1 0 W inches Weight Unit 0 85 kg 1 95 lbs Shipping 1 34 kg 2 95 lbs...

Страница 19: ...bag until you are ready to install it Save the shipping box and materials in the event the unit has to be reshipped 3 Visually inspect the module If any damage appears to have occurred contact Cablet...

Страница 20: ...er approximately 10 minutes To set the Battery Enable Disable Jumper To enable the Battery Backed up RAM place the jumper over Pins 1 and 2 To disable the Battery Backed up RAM place the jumper over P...

Страница 21: ...d to the MMAC the default parameters are restored 4 Power off the MMAC again and position the JP4 over pins 1 and 2 Reinstall the IRM and power on the MMAC The IRM s network management parameters are...

Страница 22: ...alled into an MMAC 8 MMAC 8FNB MMAC 5FNB be sure a Power Supply Module PSM PSM R MMAC 5PSM is installed in the MMAC to supply power to the IRM The MMAC 3 MMAC 3FNB have a built in power supply Install...

Страница 23: ...To connect to the network via either AUI Port CAUTION Be sure to disable the SQE test function on the transceiver will be connecting to the IRM s AUI Port Failure to do so will result in improper oper...

Страница 24: ...INSTALLING THE IRM 3 6 Figure 3 3 LANVIEW LEDs IRM SN R C K FAIL CLN 1 M A U 3 2 3 P O K C O N S O L E A U I 2 A U I 1 RESET LANVIEW LEDs...

Страница 25: ...3 4 Connecting to the AUI Port 1 Thin Net Segment 4 BNC Port 2 Tee Connector 5 Terminator 3 Thin Net Segment Figure 3 5 Connecting to the BNC Port A U I 1 Slide Latch 2 AUI Port 3 AUI Connector 1 2 3...

Страница 26: ...BNC Port To connect to the network via the BNC Port 1 Attach a BNC tee connector 2 Fig 3 5 to the BNC port 4 on the module 2 Attach the thin net segment 1 to one of the female connectors on the tee c...

Страница 27: ...802 3 specification limits 1 Using a transceiver and an AUI cable connect a LAN MD to the applicable segment connected to the IRM 2 Select and run test 6 SERVER on the LAN MD connected in step 1 3 Ver...

Страница 28: ...s red LED is flashing this indicates that a collision is being detected on one of the segments connected to the MMAC MANAGEMENT RECEIVE Unlabeled LED When lit this yellow LED indicates that the IRM is...

Страница 29: ...TESTING AND LANVIEW 4 3 Figure 4 1 LANVIEW LED s IRM SN R C K FAIL CLN 1 M A U 3 2 3 P O K C O N S O L E A U I 2 A U I 1 RESET LANVIEW LEDs Reset Switch...

Страница 30: ...een the AUI ports See Figure 4 1 This Reset Switch will initialize the IRM processor This will not initialize the Battery backed up RAM where your network management parameters are stored To use the r...

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