Manuale d’uso / di manutenzione del prodotto EMC38-12 del fabbricante Cabletron Systems
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EMC38-12 12 PORT ETHERNET MEDIA CONVERTER USER’S GUIDE CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03866-5005.
0 EMC38-12 USER’S GUIDE.
EMC38-12 USER’S GUIDE i NO TICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes ha ve been made.
NOTICE ii EMC38-12 USER’S GUIDE FCC NO TICE This device complies with P art 15 of the FCC rules. Operation is subject to the following two conditions: (1) this de vice may not cause harmful interference, and (2) this device must accept any interference recei ved, including interference that may cause undesired operation.
NOTICE EMC38-12 USER’S GUIDE iii VCCI NO TICE This equipment is in the 1st Class Category (information equipment to be used in commercial and/or industrial areas) and conforms to the standards set b.
NOTICE iv EMC38-12 USER’S GUIDE CABLETRON SOFTW ARE PROGRAM LICENSE 1. LICENSE. Y ou have the right to use only the one (1) copy of the Program pro vided in this package subject to the terms and conditions of this License Agreement.
NOTICE EMC38-12 USER’S GUIDE v UNITED ST A TES GO VERNMENT RESTRICTED RIGHTS The enclosed product (a) was de veloped solely at priv ate expense; (b) contains “restricted computer software” submi.
NOTICE vi EMC38-12 USER’S GUIDE.
EMC38-12 USER’S GUIDE vii TABLE OF CONTENTS T ABLE OF CONTENTS CHAPTER 1 INTRODUCTION 1.1 USING THIS MANUAL ................................................................ 1-1 1.2 GETTING HELP .......................................................
TABLE OF CONTENTS viii EMC38-12 USER’S GUIDE APPENDIX B TWISTED PAIR WIRING TABLES B.1 TWISTED PAIR WIRING FROM AN EMC38-12 TO A PUNCH DOWN BLOCK .............................................................. B-2 B.2 TWISTED PAIR WIRING FROM A PUNCH DOWN BLOCK TO A 10Base-T DEVICE .
EMC38-12 USER’S GUIDE Page 1-1 CHAPTER 1 INTR ODUCTION W elcome to the Cabletron Systems EMC38-12 User’s Guide . This manual explains installation instructions and pro vides specifications for the twelve port Ethernet Media Con verter (EMC).
CHAPTER 1: INTRODUCTION Page 1-2 EMC38-12 USER’S GUIDE 1.2 GETTING HELP If you need additional support related to the EMC38-12, or if you hav e any questions, comments, or suggestions concerning this manual, contact Cabletron Systems T echnical Support: By phone .
EMC38-12 FEATURES EMC38-12 USER’S GUIDE Page 1-3 1.4 EMC38-12 FEATURES Automatic Transmit Port Disable The EMC38-12 automatically disables the T ransmit port when its corresponding Recei ve port does not hav e a link.
CHAPTER 1: INTRODUCTION Page 1-4 EMC38-12 USER’S GUIDE Environmental Requirements Operating T emperature: +5 ° to +40 ° C (41 ° to 104 ° F) Non-operating T emperature: -30 ° to +90 ° C (-22 ° to 194 ° F) Operating Humidity: 5 to 95% (non-condensing) Safety and Approvals This unit meets the safety requirements of UL 1950, CSA C22.
EMC38-12 USER’S GUIDE Page 2-1 CHAPTER 2 INST ALLA TION This chapter explains ho w to install the EMC38-12 in a 19-inch rack and also provides requirements for installing the EMC38-12 on a tabletop or shelf. 2.1 UNPACKING THE EMC38-12 Unpack the EMC38-12 as follo ws: 1.
CHAPTER 2: INSTALLATION Page 2-2 EMC38-12 USER’S GUIDE 2.2.1 Rack Mounting the EMC38-12 Before installing the EMC38-12, care must be taken to ensure that the rack used will support the unit and that the rack remains stable with the EMC38-12 installed.
INSTALLING THE EMC38-12 EMC38-12 USER’S GUIDE Page 2-3 3. With the rack mounting brackets installed, position the EMC38-12 between the vertical frame members of the 19-inch rack and fasten it securely with the mounting screws as shown in Figure 2-2.
CHAPTER 2: INSTALLATION Page 2-4 EMC38-12 USER’S GUIDE 2.3 CONNECTING THE EMC38-12 TO THE POWER SOURCE Note : The EMC38-12 has a universal power supply. This allows you to connect the EMC38-12 to power sources from 100 Vac to 125 Vac, 50-60 Hz. or 200 Vac to 240 Vac, 50-60 Hz.
EMC38-12 USER’S GUIDE Page 3-1 CHAPTER 3 CONNECTING T O THE NETW ORK This chapter outlines the procedure for connecting the EMC38-12 to your network. 3.1 CONNECTING A TWISTED PAIR SEGMENT TO THE EMC38-12 The rear panel of the EMC38-12 has a 50-pin Champ connector .
CHAPTER 3: CONNECTING TO THE NETWORK Page 3-2 EMC38-12 USER’S GUIDE 2. Attach the other end of the 50-pin feeder cable to the Champ connector on the 10Base-T compliant ethernet de vice. 3. Check that the link LED on the 10Base-T ethernet device and the applicable TPLNK LED on the EMC38-12 are on.
CONNECTING A FIBER OPTIC LINK SEGMENT EMC38-12 USER’S GUIDE Page 3-3 We recommend that you label the fiber optic cable to indicate which fiber is Receive and which is Transmit. When you buy fiber optic cable from Cabletron Systems, it is labeled so that: at one end of the cable, one fiber is labeled 1, and the other fiber is labeled 2.
CHAPTER 3: CONNECTING TO THE NETWORK Page 3-4 EMC38-12 USER’S GUIDE 5. Attach the fiber labeled 2 to the receive port. 6. Check that the FOLNK LED on the ECM38-12 is on. If the LED is not on, perform the following steps until it is: a. Check that the po wer is turned on for the device at the other end of the link.
EMC38-12 USER’S GUIDE Page 4-1 CHAPTER 4 USING THE LANVIEW LEDS This chapter describes ho w to use the LANVIEW Diagnostic LEDs to monitor EMC38-12 status and diagnose problems. Figure 4-1. LANVIEW LEDS 4.1 PWR (Power) • On (Green) - Indicates that the EMC38-12 is recei ving power .
CHAPTER 4: USING THE LANVIEW LEDS Page 4-2 EMC38-12 USER’S GUIDE 4.3 RCV (Receive) • On (Flashing Y ello w) - Indicates that the unit is receiving data packets from the associated fiber otic port and transmitting them to the twisted pair port. The flash of the LED is pulse stretched for vie wing effect.
EMC38-12 USER’S GUIDE Page A-1 APPENDIX A CABLE REQUIREMENTS This appendix provides cable requirements for each of the EMC38-12 ports. A.1 10Base-T TWISTED PAIR REQUIREMENTS When you connect a 10Base-T twisted pair segment to the EMC38-12, the de vice at the other end of the twisted pair segment must meet IEEE 802.
APPENDIX A: CABLE REQUIREMENTS Page A-2 EMC38-12 USER’S GUIDE A.2 10Base-FL MULTIMODE FIBER REQUIREMENTS When you connect a 10Base-FL Multimode Fiber segment to the EMC38-12, the de vice at the other end of the fiber segment must meet IEEE 802.3j 10Base-FL specifications.
EMC38-12 USER’S GUIDE Page B-1 APPENDIX B TWISTED P AIR WIRING T ABLES This appendix contains twisted pair wiring tables which will assist you if you are using a Punch Do wn Block (see Figure B-1) to wire your twisted pair segments.
APPENDIX B: TWISTED PAIR WIRING TABLES Page B-2 EMC38-12 USER’S GUIDE B.1 TWISTED PAIR WIRING FROM AN EMC38-12 TO A PUNCH DOWN BLOCK Note : Pins 25 and 50 on the Champ connector are not used.
TWISTED PAIR WIRING TABLES EMC38-12 USER’S GUIDE Page B-3 Port 8 Pin Pin Pin TX+ 40 40 Black/Gray TX+ A29 Black/Gray TX+ TX- 15 15 Gray/Black TX- A30 Gray/Black TX- RX+ 41 41 Y ello w/Blue RX+ A31 Y.
APPENDIX B: TWISTED PAIR WIRING TABLES Page B-4 EMC38-12 USER’S GUIDE Port 4 Pin Pin Pin TX+ 32 32 Red/Orange TX+ A13 Red/Orange TX+ TX- 7 7 Orange/Red TX- A14 Orange/Red TX- RX+ 33 33 Red/Green RX+.
TWISTED PAIR WIRING TABLES EMC38-12 USER’S GUIDE Page B-5 B.2 TWISTED PAIR WIRING FROM A PUNCH DOWN BLOCK TO A 10Base-T DEVICE Table B-2. Punch Down Block to a 10Base-T Device From Punch Down Block .
APPENDIX B: TWISTED PAIR WIRING TABLES Page B-6 EMC38-12 USER’S GUIDE P ort 8 Pin Pin Pin B29 Black/Gray RX+ 3 RX+ 3 RX+ 3 RX+ B30 Gray/Black RX- 6 RX- 6 RX- 6 RX- B31 Y ellow/Blue TX+ 1 TX+ 1 TX+ 1.
TWISTED PAIR WIRING TABLES EMC38-12 USER’S GUIDE Page B-7 P ort 4 Pin Pin Pin B13 Red/Orange RX+ 3 RX+ 3 RX+ 3 RX+ B14 Orange/Red RX- 6 RX- 6 RX- 6 RX- B15 Red/Green TX+ 1 TX+ 1 TX+ 1 TX- B16 Green/.
APPENDIX B: TWISTED PAIR WIRING TABLES Page B-8 EMC38-12 USER’S GUIDE Figure B-1. Punch Down Block Pins 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 3.
POWER SUPPLY CORD The mains cord used with this equipment must be a 2 conductor plus ground type with minimum 0.75 mm square conductors and must incorporate a standard IEC appliance coupler on one end.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Cabletron Systems EMC38-12 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Cabletron Systems EMC38-12 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cabletron Systems EMC38-12 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cabletron Systems EMC38-12 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cabletron Systems EMC38-12, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Cabletron Systems EMC38-12.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cabletron Systems EMC38-12. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cabletron Systems EMC38-12 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
