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FOT-F3
FIBER OPTIC TRANSCEIVER
USER’S MANUAL
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NOTICE 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 have been made. The hardware, firmware, or software described in this manual is subject to change without notice. IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL, INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSO
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FCC NOTICE This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protectio
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VCCI NOTICE 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 by the Voluntary Control Council for Interference by Information Technology Equipment (VCCI) aimed at preventing radio interference in commercial and/or industrial areas. Consequently, when used in a residential area or in an adjacent area thereto, radio interference may be caused to radios and TV receivers, etc. Read the in
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DECLARATION OF CONFORMITY Application of Council Directive(s): 89/336/EEC 73/23/EEC Manufacturer’s Name: Cabletron Systems, Inc. Manufacturer’s Address: 35 Industrial Way PO Box 5005 Rochester, NH 03867 European Representative Name: Mr. J. Solari European Representative Address: Cabletron Systems Limited Nexus House, Newbury Business Park London Road, Newbury Berkshire RG13 2PZ, England Conformance to Directive(s)/Product Standards: EC Directive 89/336/EEC EC Directive 73/2
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CONTENTS CHAPTER 1 INTRODUCTION 1.1 USING THIS MANUAL...............................................................1-1 1.2 CONVENTIONS.........................................................................1-2 1.3 OVERVIEW OF THE FOT-F3 ....................................................1-2 1.3.1 Connections ...............................................................1-3 1.3.2 Distance and Cable Type...........................................1-4 1.3.3 LANVIEW LEDs ................
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CONTENTS CHAPTER 4 TESTING AND TROUBLESHOOTING 4.1 INSTALLATION CHECK-OUT ...................................................4-1 4.1.1 Testing the Fiber Optic Link Segment........................4-1 4.1.2 Testing the FOT-F3 Fiber Optic Transceiver .............4-3 4.2 USING LANVIEW.......................................................................4-4 APPENDIX A SPECIFICATIONS A.1 FIBER OPTIC INTERFACE .................................................. A-1 A.2 AUI CONNECTOR ...........
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CHAPTER 1 INTRODUCTION Welcome to Cabletron Systems FOT-F3 Fiber Optic Transceiver User’s Manual. This manual serves as a simple installation and reference guide for the FOT-F3 transceiver. You should have a general working knowledge of Ethernet or IEEE 802.3 type data communications networks and their physical layer components before installing the FOT-F3. 1.1 USING THIS MANUAL You should read through this manual to gain a full understanding of the FOT-F3 and its capabilit
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CHAPTER 1: INTRODUCTION Chapter 4, Testing and Troubleshooting, contains procedures for verifying the proper installation of the FOT-F3. It also describes LANVIEW LEDs and their function. Appendix A, Specifications, provides the specifications for the FOT-F3 transceiver. 1.2 CONVENTIONS The following conventions are used in this manual: • Note — Calls the reader’s attention to any item of information that may be of special importance. • Caution — Contains information essen
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OVERVIEW OF THE FOT-F3 DB15 AUI Port SQE Switch LANVIEW LEDs ST Fiber Optic Ports SQE FOT-F3 P S X R C L W Q M C L N R E T V N K TX 802.3 COMPATIBLE SINGLE MODE RX FIBER OPTIC TRANSCEIVER ® with LANVIEW 1300nm SN End View End View Front View 0461-01 Figure 1-1 FOT-F3 1.3.1 Connections The FOT-F3 connects two active Ethernet devices using an AUI cable and a fiber optic link segment. Devices such as repeaters, multiport repeaters, multiport transceivers or host systems are connected using
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CHAPTER 1: INTRODUCTION A fiber optic cable is connected to the transceiver through ST fiber optic ports on the FOT-F3. This provides an optical link to connect the device to the network. 1.3.2 Distance and Cable Type The FOT-F3 supports single mode fiber optic cable for sizes such as 8.3/125 m m, 8.7/125 m m, 9/125 m m, and 10/125 m m. You can also use multimode cable such as 62.5/125 m m, but the signal distance will be much shorter. The signal distance is dependent o
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OVERVIEW OF THE FOT-F3 The SQE test signal is generated after the FOT-F3 has transmitted a data packet. This signal is generated only between the FOT-F3 and the device; it is not transmitted onto the network. Note: Do not enable the SQE test feature when the FOT-F3 is attached to a repeater or Ethernet Version 1 equipment. Otherwise, network problems (excess collisions) will result. 1.3.3 LANVIEW LEDs The FOT-F3 incorporates Cabletron Systems LANVIEW diagnostic and monitorin
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CHAPTER 1: INTRODUCTION PWR (Power) When on, this green LED indicates that the FOT-F3 is receiving power. SQE (Signal Quality Error) Test Function When on, this yellow LED indicates that SQE is enabled. XMT (Transmit) This green LED flashes to indicate that the FOT-F3 is transmitting frames onto the network. RCV (Receive) This yellow LED flashes to indicate that the FOT-F3 is receiving frames from the network. CLN (Collision) This red LED flashes to indicate that the FOT-F3
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OVERVIEW OF THE FOT-F3 1.3.4 Application The FOT-F3 can be configured into your network in many ways. For example, in Figure 1-3, a fiber optic link segment (4) is attached to a Cabletron Systems Multi Media Access Center (MMAC) (5) with a FOMIM-32/36/38. The MMAC serves as an intelligent repeater hub that links the fiber optic link segment to other network segments, regardless of media type. The link segment is attached to the FOT-F3 (3). An Ethernet device, such as a workstation (1
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CHAPTER 1: INTRODUCTION In another example, shown in Figure 1-4, a FOT-F3 (3) is connected to an MMAC (1) by an AUI cable (2) attached to an Intelligent Repeater Module (IRM) in the MMAC. A lengthy fiber optic link segment (4) of up to five kilometers runs from the FOT-F3 (3) to another FOT-F3 (5). The hardware connection is completed via another AUI cable (6) to a Cabletron Systems NBR-220 Ethernet Bridge (7) configured to provide an AUI interface. Through the bridge, the host dev
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GETTING HELP 1.4 GETTING HELP If you need additional support related to this device, or if you have any questions, comments, or suggestions concerning this manual, contact Cabletron Systems Technical Support: By phone (603) 332-9400 Monday – Friday; 8 A.M P.M . – 8 . Eastern Time By CompuServe GO CTRON from any ! prompt By Internet mail support@ctron.com By FTP ctron.com (134.141.197.25) Login anonymous Password your email address Before calling Cabletron Systems Technical Support
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CHAPTER 1: INTRODUCTION • The device history (i.e., have you returned the device before, is this a recurring problem, etc.) • Any previous Return Material Authorization (RMA) numbers 1.5 RELATED MANUALS Use the manuals identified below to supplement the procedures and other technical data provided in this manual. The procedures contained in these manuals are referenced only. • Cabletron Systems LAN-MD Portable Ethernet Tester User’s Manual • Cabletron Systems FOMIM-32/36/38 Fiber
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CHAPTER 2 INSTALLATION REQUIREMENTS Before installing the FOT-F3 Fiber Optic Transceiver, all conditions, guidelines, specifications, and requirements included in this chapter and Appendix A must be met to ensure satisfactory performance from the FOT-F3. Failure to follow these guidelines may result in unsatisfactory network performance. 2.1 NETWORK DESIGN GUIDELINES The following design guidelines must be met when connecting devices using the FOT-F3. 2.1.1 Fiber Optic Require
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CHAPTER 2: INSTALLATION REQUIREMENTS • When determining the maximum fiber optic cable length, the fiber optic budget and total network propagation delay should be calculated and taken into consideration before fiber runs are incorporated into any network design. Fiber optic budget is the combination of the optical loss due to the fiber optic cable, in-line splices, and fiber optic connectors. Propagation delay is the amount of time it takes a packet to travel from the sending devic
