Cabletron Systems 38 - Manuals

Chapter 1: Introduction 1-2 FOMIM User’s Guide Figure 1-1 The FOMIMs It is assumed that you have a general working knowledge of Ethernet or IEEE 802.3 type data communications networks and their physical layer components.

Document Conventions FOMIM User’s Guide 1-3 1.2 DOCUMENT CONVENTIONS The following conventions are used throughout this document: 1.3 FIBER OPTIC MEDIA INTERFACE MODULES Cabletron Systems Fiber Optic Media Interface Modules provide a choice of six, twelve, or eighteen ports with ST connectors. 1.3.1...

Chapter 1: Introduction 1-4 FOMIM User’s Guide 1.3.2 Multi Media Access Centers The Cabletron Systems Fiber Optic Media Interface Modules are designed to be installed into the Cabletron Systems Multi Media Access Center (MMAC). The modular design of the MMAC allows the FOMIM to co-exist with other M...

Chapter 1: Introduction 1-6 FOMIM User’s Guide Error (ERR) LED When lit, this red LED indicates the temperature within the MMAC chassis has risen to 40 ° C or greater. The FOMIM alerts the management board, and the FOMIM in turn receives a signal to light the LED. 1.5 RELATED MANUALS The manuals lis...

Getting Help FOMIM User’s Guide 1-7 • The serial and revision numbers of all Cabletron Systems products in the network • The device history (i.e., have you returned the device before, is this a recurring problem, etc.) • Any previous Return Material Authorization (RMA) numbers

FOMIM User’s Guide 2-1 CHAPTER 2 NETWORK REQUIREMENTS AND INSTALLATION This chapter begins with network design guidelines in Section 2.1, Network Cable Requirements , that must be met before installing the module in a network. It then provides instructions for installing the Cabletron Systems Fiber ...

Chapter 2: Network Requirements and Installation 2-2 FOMIM User’s Guide Propagation delay is the amount of time it takes a packet to travel from the sending device to the receiving device. Total propagation delay allowed for the entire network is 25.6 µ s. If the total propagation delay between any ...

Installing the FOMIM into the MMAC FOMIM User’s Guide 2-3 2.3 INSTALLING THE FOMIM INTO THE MMAC You can easily install the FOMIM into a Multi Media Access Center with a Flexible Network Bus (MMAC-FNB). Install the FOMIM into the MMAC as follows: 1. Power down the MMAC hub. 2. Remove any chassis saf...

Chapter 2: Network Requirements and Installation 2-4 FOMIM User’s Guide 2.4 CONNECTING FIBER OPTIC CABLING TO THE FOMIM Each fiber optic link consists of two strands of fiber optic cabling: the transmit (TX) and the receive (RX). The transmit strand from a module port connects to the receive port of...

Connecting Fiber Optic Cabling to the FOMIM FOMIM User’s Guide 2-5 4. At the other end of the fiber optic cable, attach the fiber pair to the transmit and receive ports of the device. If link indicators are present for the fiber optic connection, check that they are ON. If an indicator is present bu...

FOMIM User’s Guide 3-1 CHAPTER 3 TESTING AND TROUBLESHOOTING This chapter lists the installation checkout procedures necessary to verify that the segments connected to your FOMIM are operating properly. The chapter concludes with a description of the LANVIEW LEDs and their use in troubleshooting phy...

Chapter 3: Testing and Troubleshooting 3-2 FOMIM User’s Guide 5. Disconnect the jumpers from the barrel connector. 6. Using the jumper, attach the optical power meter to one end of one strand of the link segment. 7. Using the other jumper, attach the other end of the same strand to the optical sourc...

Pre-Installation Test FOMIM User’s Guide 3-3 4. If the LEDs are not lit, reverse the cable ends back to their original positions, and contact Cabletron Systems Technical Support for assistance. 3.2 PRE-INSTALLATION TEST Before installing the FOMIM in a live network, test the module in a controlled s...

Chapter 3: Testing and Troubleshooting 3-4 FOMIM User’s Guide If failures occur, refer to Section 3.3, Using LANVIEW, in this chapter. Figure 3-1 Pre-Installation Test 3.3 USING LANVIEW The FOMIM uses Cabletron Systems built-in visual diagnostic and status monitoring system called LANVIEW. With LANV...

Using LANVIEW FOMIM User’s Guide 3-5 If you are not able to resolve a problem with your FOMIM, call Cabletron Systems Technical Support for assistance (see Chapter 1, Section 1.6, Getting Help). Table 3-1 LANVIEW Troubleshooting Led Color Description Error Condition/Recommended Action LNK(Link/ Fibe...

FOMIM User’s Guide A-1 APPENDIX A FOMIM SPECIFICATIONS The operating specifications for the Cabletron Systems FOMIM are included in this Appendix. Cabletron Systems reserves the right to change these specifications at any time without notice. A.1 OPERATING SPECIFICATIONS Table A-1 Fiber Optic Interf...

Appendix A: FOMIM Specifications A-2 FOMIM User’s Guide A.2 ENVIRONMENTAL REQUIREMENTS Operating Temperature: +5 ° to +40 ° C (41 ° to 104 ° F) Non-operating Temperature: -30 ° to +80 ° C (-22 ° to 176 ° F) Operating Humidity: 5% to 95% (non-condensing) Table A-2 Fiber Optic Interface (All Ports) Pa...

Agency Approvals FOMIM User’s Guide A-3 A.3 AGENCY APPROVALS Designed in accordance with UL478, UL910, NEC 725-2(b), CSA, IEC, TUV, VDE Class A. Meets FCC Part 15, Class A limits. PHYSICAL PROPERTIES Dimensions: 34.04 D x 29.21 H x 5.08 W cm(13.4 D x 11.5 H x 2.0 W in) Weight: FOMIM-36: 0.57 kg (1.2...

FOMIM User’s Guide Index-1 INDEX C Cable connecting 2-4distance 1-3requirements 2-1 CLN LED 1-5Conventions 1-3 D Design guidelines 2-1 E ERR LED 1-5 F FOMIM installing 2-3specifications A-1unpacking 2-2 H Help 1-6 L LANVIEW location 1-4troubleshooting 3-5 Link testing 3-1 LNK LED 1-5 M MMAC descript...