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FOT-F3 FIBER OPTIC TRANSCEIVER USER’S MANUAL.
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FOT-F3 USER’S MANUAL 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 have been made.
ii FOT-F3 USER’S MANUAL FCC NO TICE 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.
FOT-F3 USER’S MANUAL 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 by the Vo.
iv FOT-F3 USER’S MANUAL DECLARATION OF CONFORMITY Application of Council Directi ve(s): 89/336/EEC 73/23/EEC Manufacturer’ s Name: Cabletron Systems, Inc. Manufacturer’ s Address: 35 Industrial W ay PO Box 5005 Rochester , NH 03867 European Representativ e Name: Mr .
FOT-F3 USER’S MANUAL v CONTENTS CHAPTER 1 INTRODUCTION 1.1 USING THIS MANUAL ...............................................................1-1 1.2 CONVENTIONS .........................................................................1-2 1.3 OVERVIEW OF THE FOT-F3 .
CONTENTS vi FOT-F3 USER’S MANUAL 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 .
FOT-F3 USER’S MANUAL 1-1 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.
CHAPTER 1: INTRODUCTION 1-2 FOT-F3 USER’S MANUAL Chapter 4, T esting and T roubleshooting , 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.
OVERVIEW OF THE FOT-F3 FOT-F3 USER’S MANUAL 1-3 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 fiber optic cables.
CHAPTER 1: INTRODUCTION 1-4 FOT-F3 USER’S MANUAL 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 T ype The FOT-F3 supports single mode fiber optic cable for sizes such as 8.
OVERVIEW OF THE FOT-F3 FOT-F3 USER’S MANUAL 1-5 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.
CHAPTER 1: INTRODUCTION 1-6 FOT-F3 USER’S MANUAL 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.
OVERVIEW OF THE FOT-F3 FOT-F3 USER’S MANUAL 1-7 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.
CHAPTER 1: INTRODUCTION 1-8 FOT-F3 USER’S MANUAL 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).
GETTING HELP FOT-F3 USER’S MANUAL 1-9 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.
CHAPTER 1: INTRODUCTION 1-10 FOT-F3 USER’S MANUAL • 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.
FOT-F3 USER’S MANUAL 2-1 CHAPTER 2 INST ALLA TION 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.
CHAPTER 2: INSTALLATION REQUIREMENTS 2-2 FOT-F3 USER’S MANUAL • When determining the maximum fiber optic cable length, the fiber optic budget and total netw or k propagation dela y should be calculated and taken into consider ation before fiber runs are incor porated into any network design.
FOT-F3 USER’S MANUAL 3-1 CHAPTER 3 INST ALLA TION This chapter contains instructions for unpacking the FOT-F3 Transceiver, connecting the FOT-F3 to an Ethernet device and the network, surface mounting the transceiver (if necessary), and cable support installation.
CHAPTER 3: INSTALLATION 3-2 FOT-F3 USER’S MANUAL If you notice any discrepancies, contact Cabletron Systems Technical Support immediately. Refer to Chapter 1, Getting Help , for instructions.
CONNECTING THE FOT-F3 TO THE NETWORK FOT-F3 USER’S MANUAL 3-3 Figure 3-1 SQE Switch 3.2.2 Connecting the A UI Cable To connect your Ethernet device to the FOT-F3, attach an AUI cable as follows. See Figure 3-2. 1. Attach an A UI cable to the de vice to which the FO T -F3 will be connected.
CHAPTER 3: INSTALLATION 3-4 FOT-F3 USER’S MANUAL 2. Attach the f emale connector on the A UI cable to the A UI por t on the FO T -F3. If the power is on f or the Ether net de vice, the PWR LED should be lit, indicating the transceiv er is receiving power from the de vice.
CONNECTING THE FOT-F3 TO THE NETWORK FOT-F3 USER’S MANUAL 3-5 c. Disconnect the device to which the transceiver is attached. d. Check the AUI connections for proper pinouts. The pinouts for the transceiver connection are listed in Appendix A. e. Check the cable for continuity.
CHAPTER 3: INSTALLATION 3-6 FOT-F3 USER’S MANUAL ST connectors attach to ST ports much like BNC connectors attach to BNC ports. See Figure 3-3. The connector is inserted into the port with an alignment key on the connector inserted into the alignment slot on the port.
CONNECTING THE FOT-F3 TO THE NETWORK FOT-F3 USER’S MANUAL 3-7 Figure 3-3 ST Connectors 6. Check that the LNK LED on the FO T -F3 is on. If the LED is off , perform each of the follo wing steps until the LED is on: a. Check that the power is on for the device at the other end of the link.
CHAPTER 3: INSTALLATION 3-8 FOT-F3 USER’S MANUAL If a link is not established, contact Cabletron Systems Technical Support. Refer to Chapter 1, Getting Help , for instructions. 3.3 SURFACE MOUNTING THE FOT-F3 Using the contents of the accessory package, you can mount the FOT-F3 on a surface close to the workstation or on the workstation itself.
CABLE SUPPORT INSTALLATION FOT-F3 USER’S MANUAL 3-9 3.4 CABLE SUPPORT INSTALLATION Relieve the strain from the cables attached to the FOT-F3, whether or not the transceiver is mounted to a surface such as a wall.
CHAPTER 3: INSTALLATION 3-10 FOT-F3 USER’S MANUAL Figure 3-4 Surface Mounting the FOT-F3 3.4.2 Cable Strain Relief f or Non-Mounted FO T -F3 To relieve the strain to cables connected to a FOT-F3 that is not surface mounted, proceed as follows: 1.
CABLE SUPPORT INSTALLATION FOT-F3 USER’S MANUAL 3-11 The FOT-F3 is now ready for operation. We recommend that you test the system prior to transmitting data. Refer to Chapter 4, Testing And Troubleshooting , for information about how to test the system.
CHAPTER 3: INSTALLATION 3-12 FOT-F3 USER’S MANUAL.
FOT-F3 USER’S MANUAL 4-1 CHAPTER 4 TESTING AND TROUBLESHOO TING This chapter lists procedures to test the FOT-F3 after it is connected to the network. A description of LANVIEW and its function in troubleshooting physical layer network problems is also provided.
CHAPTER 4: TESTING AND TROUBLESHOOTING 4-2 FOT-F3 USER’S MANUAL 4. F ollowing the instructions for the test set, test the jumpers to get a ref erence lev el. Make a note of this reading. 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.
INSTALLATION CHECK-OUT FOT-F3 USER’S MANUAL 4-3 4.1.2 T esting the FO T -F3 Fiber Optic T ransceiver T wo Ethernet node testers capable of generating v alid data pack ets, such as the LAN-MD , are required for this procedure . Refer to Figure 4-1 and proceed as follows: 1.
CHAPTER 4: TESTING AND TROUBLESHOOTING 4-4 FOT-F3 USER’S MANUAL 2. Using another A UI cable (6), connect the other LAN-MD (7) to another FO T -F3 (5) attached to the same fiber optic link segment as the FO T -F3. 3. Select and run test 6 - SER VER on the LAN-MD connected in step 1.
USING LANVIEW FOT-F3 USER’S MANUAL 4-5 Figure 4-2 shows the location of the LANVIEW LEDs on the FOT-F3. This is followed by a description of how to interpret the indications of these LANVIEW LEDs.
CHAPTER 4: TESTING AND TROUBLESHOOTING 4-6 FOT-F3 USER’S MANUAL Receive (RCV) LED This yellow LED flashes to indicate that the transceiver is receiving a frame from the network.
USING LANVIEW FOT-F3 USER’S MANUAL 4-7 Power (PWR) LED When on, this green LED indicates that the transceiver is receiving power from the device connected to the FOT-F3 AUI port. If this LED is off, power is not being received from the device or the DC-to-DC converter in the transceiver has failed.
CHAPTER 4: TESTING AND TROUBLESHOOTING 4-8 FOT-F3 USER’S MANUAL.
FOT-F3 USER’S MANUAL A-1 APPENDIX A SPECIFICA TIONS This appendix contains the operational specifications for the FOT-F3. A.1 FIBER OPTIC INTERFACE The FOT-F3 has ST fiber optic ports. Table A-1 lists the parameters along with the associated typical, and minimum/ maximum specifications.
APPENDIX A: SPECIFICATIONS A-2 FOT-F3 USER’S MANUAL Parameter Typical Minimum Maximum Receive Sensitivity: -31.0 dBm -36.0 dBm -30.0 dBm Max. Receive Input Power: — — -14.0 dBm Transmitter Power at 25 ° C Into 8.3/125 µ m fiber: -18.0 dBm -21.
AUI CONNECTOR FOT-F3 USER’S MANUAL A-3 A.2 AUI CONNECTOR The AUI connector is a male DB15 receptacle with a metal shell for cable shielding. Refer to Figure A-1 for pinout identification. Figure A-1 AUI Connector Pinout Identification A.3 POWER SUPPLY Table A-2 provides the specifications of the power supply in the FOT-F3.
APPENDIX A: SPECIFICATIONS A-4 FOT-F3 USER’S MANUAL A.4 ENVIRONMENTAL Table A-3 provides the FOT-F3 environmental specifications. A.5 AGENCY APPROVALS Safety The FOT-F3 meets the safety requirements of UL1950, CSA C22.2 No. 950, EN 60950, and 73/23/EEC.
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