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Cabletron Systems F3 - page 1
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. The hardware, firmware, or software described in this manual is ...
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Cabletron Systems F3 - page 4
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. Note: This equipment has been tested ...
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Cabletron Systems F3 - page 5
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 Voluntary Control Council for Interference by Information Technology Equipment (VCCI) aimed at preventing radio interference in commercial and/or indust ...
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Cabletron Systems F3 - page 6
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 . J. Solari European Representativ e Address: Cabletron Systems Limited Nexus ...
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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 ....................................................1-2 1.3.1 Connections .......... ...
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Cabletron Systems F3 - page 8
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 ............. 4-3 4.2 USING LANVIEW ..................................... ...
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Cabletron Systems F3 - page 9
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 802.3 type data communications networks and their physical layer c ...
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Cabletron Systems F3 - page 10
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. 1.2 CONVENTIONS The following conventions are u ...
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Cabletron Systems F3 - page 11
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. The FOT-F3 is fully compatible with IE ...
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Cabletron Systems F3 - page 12
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 8.3/125 µ m, 8.7/125 µ m, 9/125 µ ...
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Cabletron Systems F3 - page 13
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. Note: Do not enable the SQE test feature when the FOT-F3 is attached to a repeater or Ethernet Version 1 equipment ...
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Cabletron Systems F3 - page 14
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. RCV (Receive) ...
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Cabletron Systems F3 - page 15
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. The MMAC serves as an intelligent repeater hub that links the fiber ...
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Cabletron Systems F3 - page 16
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). The hardware connection ...
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Cabletron Systems F3 - page 17
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.M . – 8 P.M . Eastern Time By CompuServe GO CTRON from any ! prom ...
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Cabletron Systems F3 - page 18
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. The ...
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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. Failure to follow these guidelines may result in unsatisfactory ne ...
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Cabletron Systems F3 - page 20
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. Fiber optic budget is the combination of the optic ...
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Cabletron Systems F3 - page 21
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. Verify that all the requirements listed in Chapter 2, Installation Requirements , a ...
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Cabletron Systems F3 - page 22
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. 3.2 CONNECTING THE FOT-F3 TO THE NETWORK After you are sure that all the requirements listed in Chapter 2, Installation Requirements , and Appendix A, Speci ...
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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. O T -F3 SQE P W R S Q E X M T R C V C L N L N K TX SQE SW ...
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Cabletron Systems F3 - page 24
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. Also, if the SQE test is enabled, the SQE LED should be lit. Figure 3-2 AUI ...
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Cabletron Systems F3 - page 25
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. f. Reconnect the AUI cable to the FOT-F3 and the device. 3. Mov e the ...
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Cabletron Systems F3 - page 26
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. The connector is then turned to lock it down. Caution: Do not touch the ends of ...
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Cabletron Systems F3 - page 27
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. b. Verify that the fiber strands are properly connected to ...
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Cabletron Systems F3 - page 28
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. T ...
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Cabletron Systems F3 - page 29
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. Note: Be sure each cable is securely attached to its port and that the slide latch on the AUI connector is secured to the lock posts on ...
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Cabletron Systems F3 - page 30
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. If possible , use long tie wraps to secure the FO T -F3 to a structural suppor t such as a beam or a ...
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Cabletron Systems F3 - page 31
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. ...
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Cabletron Systems F3 - page 32
CHAPTER 3: INSTALLATION 3-12 FOT-F3 USER’S MANUAL ...
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Cabletron Systems F3 - page 33
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. 4.1 INSTALLATION CHECK-OUT This section contains procedures to test the following • ...
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Cabletron Systems F3 - page 34
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. 7. Using ...
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Cabletron Systems F3 - page 35
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. Using an AUI cable (2), connect a LAN-MD (1) to the FOT-F3 (3). Figure 4-1 ...
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Cabletron Systems F3 - page 36
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. V er ify that this test passes. • The status on the LAN-MD sho ...
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Cabletron Systems F3 - page 37
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. Figure 4-2 LANVIEW LEDs Optical Link OK (LNK) LED When on, this green LED indicates that a link has been established between the receive circuitry of t ...
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Cabletron Systems F3 - page 38
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. The flash of the LED is pulse stretched for easy viewing. The LED flashes when traffic is on the network, even if the data is not intended for the device attached to the ...
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Cabletron Systems F3 - page 39
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. ...
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Cabletron Systems F3 - page 40
CHAPTER 4: TESTING AND TROUBLESHOOTING 4-8 FOT-F3 USER’S MANUAL ...
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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. Table A-1 Fiber Optic Interface Specifications Parameter Typ ...
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Cabletron Systems F3 - page 42
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 -21.0 dBm -15.0 dBm Output Power Coefficient: -0.07 dB/ ° C— — Notes: Transmitter Power decreases ...
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Cabletron Systems F3 - page 43
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. Table A-2 Power Supply ...
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Cabletron Systems F3 - page 44
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. Electromagnetic Compatibility The FOT-F3 meets the EMC requirements of FCC Part 15 Class A, EN ...
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