Summary of Contents for Antec LaserLink LLNTR
- Page 1 70285 ® LaserLink LLNTR Fiber Optic Transmitter 1550nm, 5-210 MHz INSTALLATION AND OPERATION MANUAL...
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- Page 3 70285 First Edition – 12/98 © 1998 by ANTEC Network Technologies. All rights reserved. No part of this book may be reproduced in any form or by any means, without permission in writing from ANTEC Network Technologies.
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Page 5: Table Of Contents
Table of Contents Chapter 1 General Information.....................1-1 Overview..........................1-1 How to Contact ANTEC Network Technologies ..............1-2 We Welcome Your Comments..................1-3 Safety..........................1-4 Equipment Description ....................1-10 Equipment Specifications....................1-13 List of Abbreviations ......................1-15 Chapter 2 Installation ......................2-1 Overview..........................2-1 Section A Preparing for Installation................2-A-1 Overview........................2-A-1 Unpacking ........................2-A-2... - Page 6 Table of Contents - continued Chapter 3 Setup and Operation ....................3-1 Overview..........................3-1 Section A Activating the LLNTR ..................3-A-1 Activation........................3-A-1 Section B Controls and Indicators.................3-B-1 Overview........................3-B-1 Front Panel Controls and Indicators................3-B-2 Rear Panel Connectors ....................3-B-4 Section C Status Monitoring ..................3-C-1 Overview........................3-C-1 User Panel ........................3-C-2 EMIC ...........................3-C-3 Third Party ........................3-C-4...
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Page 7: Chapter 1 General Information
Use these lists to find the desired information. In this Chapter This chapter contains these major topics. Topic See Page How to Contact ANTEC Network Technologies We Welcome Your Comments Safety Equipment Description 1-10 Equipment Specifications... -
Page 8: How To Contact Antec Network Technologies
Chapter 1 - General Information How to Contact ANTEC Network Technologies Overview ANTEC Network Technologies is ready to assist you as necessary. Here’s how to contact us. How to Contact ANTEC Network Technologies In the USA . . . Outside the USA . . . -
Page 9: We Welcome Your Comments
You can contact us by mail or e-mail. Comment By Mail . . . By E-mail: Write to: Send a message to: ANTEC Network Technologies tech.pubs@antec.com Attention: Technical Publications 11450 Technology Circle Duluth, GA 30097 70285 LLNTR Installation and Operation... -
Page 10: Safety
Chapter 1 - General Information Safety Overview Safety of personnel is the primary concern during all procedures. This section describes typical safety considerations. All of them may not apply to you or your installation/operation environment. Additional Your organization may have additional safety requirements. These Requirements recommendations in no way supersede any safety requirements of your organization. - Page 11 Chapter 1 - General Information Safety, Continued A graphic symbol and title denote each type of admonishment. The table below Admonishment Symbols lists typical admonishments, their graphic symbol and meaning. All of these admonishments may not be used in this manual. Admonishment Graphic Symbol Meaning...
- Page 12 Chapter 1 - General Information Safety, Continued Have an emergency plan. Know the procedures for obtaining first-aid and Emergency Plan firefighting assistance. Plan your work and maintain good housekeeping. Your safety and the quality of the product depend on it. Resuscitation Personnel working with or near hazardous voltages or chemicals should be familiar with modern methods of resuscitation.
- Page 13 Chapter 1 - General Information Safety, Continued Electrical Danger - continued DANGER Replacement of fuses or other parts must be with identical types and ratings. Substitution of non-identical parts may cause safety and fire hazards. Servicing this equipment may require working with protective covers removed and ac power connected.
- Page 14 Chapter 1 - General Information Safety, Continued These are general safety precautions associated with a class 1B laser. They are Laser Safety Summary not related to any specific procedure. These are recommended precautions that personnel must understand and apply. Radiation from semiconductor laser diodes feeding this detector may be sufficiently intensive to cause almost instantaneous damage to the eye.
- Page 15 Continued Labels A safety label is affixed to this equipment in plain view. The safety label is shown below. 9848N40000001230 S/N: ANTEC Network Technologies 5720 Peachtree Parkway Norcross, GA 30092 U.S.A DANGER Invisible laser radiation - Avoid direct P/N: exposure to beam. operate only with Manf: Month proper optical fiber installed in connector.
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Page 16: Equipment Description
Chapter 1 - General Information Equipment Description Overview This section contains a high-level physical and functional description of the LLNTR. LLNTR features are listed below: • Front Panel Accessible Test Points Optical Output Power (1 V dc/10mW) RF Laser Drive Level (-30dB) •... - Page 17 Chapter 1 - General Information Equipment Description, Continued The diagram below illustrates the LLNTR Diagram XMTR LLNTR 15XX.XX nm 5-210 MHz POWER OPTICAL POWER LASER TEMP LASER BIAS RF ATTENUATOR ADJUST OPTICAL POWER (1Vdc/10mW) TEST -30dB The diagram below shows how the LLNTR functions. Functional Diagram Laser Status Alarms...
- Page 18 Chapter 1 - General Information Equipment Description, Continued Refer to the LLNTR functional diagram. The RF input requires a nominal Functional Description 32 dBmV/channel signal for 6 channel loading. This signal is amplified and then passed through a variable attenuator circuit. The variable attenuator has a range of –8 to +2 dB and is controlled by a front panel potentiometer.
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Page 19: Equipment Specifications
Chapter 1 - General Information Equipment Specifications Overview This section describes specifications of the LLNTR. The table below lists optical specifications. Optical Specifications Characteristic Specification Output power +9 ±1 dBm Connector return loss >65 dB SC/APC Wavelength 1560.61 ±0.1 nm 1558.98 ±0.1 nm 1557.36 ±0.1 nm 1555.75 ±0.1 nm... - Page 20 Chapter 1 - General Information Equipment Specifications, Continued RF Specifications (continued) Characteristic Specification 1, 2 < -59 dB 2, 3, 7 NPR dynamic range 15 dB for 35 MHz Crosstalk > 40 dB Notes: 1. Six CW carriers. 7, 13, 19, 25, 31 and 37 MHz 2.
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Page 21: List Of Abbreviations
Chapter 1 - General Information List of Abbreviations Overview This table lists non-standard abbreviations in this manual. Abbreviations Abbreviation Definition companded delta modulation carrier-to-noise Carrier to noise ratio composite second order composite triple beat decibel decibel referenced to 1 milliwatt dBmV decibel-millivolt directional coupler... - Page 22 Chapter 1 - General Information (This Page Intentionally Blank) **END OF CHAPTER** 1-16 LLNTR Installation and Operation 70285...
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Page 23: Chapter 2 Installation
Chapter 2 Installation Overview Introduction This chapter describes installation of the Laser Link Narrowcast Return Transmitter (LLNTR). In this Chapter This chapter contains these sections. Topic See Section Preparing for Installation Installing the LLNTR Care and Cleaning of Optical Connectors 70285 LLNTR Installation and Operation... - Page 24 Chapter 2 - Installation (This Page Intentionally Blank) LLNTR Installation and Operation 70285...
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Page 25: Section A Preparing For Installation
Section A Preparing for Installation Overview Introduction This section describes preparing to install the LLNTR. This section contains the following topics. In this Section Topic See Page Unpacking 2-A-2 Inspection 2-A-3 How to Return Equipment 2-A-4 Recommended Tools and Equipment 2-A-6 70285 LLNTR Installation and Operation... -
Page 26: Unpacking
Chapter 2 - Installation Unpacking Overview ANTEC Network Technologies thoroughly inspects and carefully packs all equipment before shipment. At the time of shipment, the carrier assumes responsibility for its safe delivery; therefore, do not return damaged units to ANTEC Network Technologies. -
Page 27: Inspection
If you discover damage after unpacking, make a written request for inspection by the carrier's agent within 15 days of delivery date. File any claims with the carrier, not ANTEC Network Technologies. How to Follow this procedure to inventory equipment. -
Page 28: How To Return Equipment
Chapter 2 - Installation How to Return Equipment Overview ANTEC Network Technologies makes every effort to ensure parts and equipment arrive in working condition. Occasionally, it may be necessary to return parts or equipment that are not in working condition. - Page 29 City, State, Country and Zip/Postal Code Telephone Number RR Number Problem Description NOTE Ship equipment prepaid. ANTEC Network Technologies will not accept freight collect. Ship equipment to ANTEC Network Technologies as directed by Customer Service. 70285 LLNTR Installation and Operation 2-A-5...
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Page 30: Recommended Tools And Equipment
Chapter 2 - Installation Recommended Tools and Equipment Tools and These recommended tools and equipment are required for installation. Equipment Quantity Description 1/4-inch flat-blade screwdriver Optical connector cleaning supplies 2-A-6 LLNTR Installation and Operation 70285... -
Page 31: Section B Installing The Llntr
Section B Installing the LLNTR Installation Introduction This section describes installing the LLNTR. The LLNTR is shipped assembled with the exception of the 15-pin male-to- female shielded cable assembly and keys for the ON/OFF switch. Install the LLNTR in any slot, one through seven, of the mainframe. After installation, refer to the procedures in Chapter 3, Setup and Operation, to activate the LLNTR. - Page 32 Chapter 2 - Installation Installation, Continued Procedure (continued) Step Action NOTE When installing in a mainframe bay that is equipped with 14 rails, remove the rail in the “B” position to accommodate the LLNTR. Carefully insert the LLNTR into an empty slot of the Laser Link II Mainframe.
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Page 33: Section C Care And Cleaning Of Optical Connectors
Section C Care and Cleaning of Optical Connectors Overview Introduction Fiber optic connectors are cleaned at assembly, but require recleaning when the equipment is installed. Both the connector attached to the bulkhead adapter in the equipment and the jumper connector that will be attached to the bulkhead adapter must be cleaned. - Page 34 Chapter 2 - Installation Overview, Continued Consumable These consumable materials are required for the cleaning procedure. Materials • Lint Free Wipes (tissues) • Ethyl or Isopropyl Alcohol, >91% purity (Do not use a lesser grade. Do not use common rubbing alcohol.) •...
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Page 35: Cleaning
Chapter 2 - Installation Cleaning Overview This section describes cleaning two types of optical connectors: Connectors installed in a bulkhead adapter • Connectors not installed in a bulkhead adapter • Cleaning of Follow this procedure to clean optical connectors installed in an equipment Connectors in a bulkhead adapter. - Page 36 Chapter 2 - Installation Cleaning, Continued Cleaning of Connectors in a Bulkhead Adapter (continued) Step Action Swab the bulkhead adapter using a lint-free swab as follows: CAUTION Do not use alcohol less than 91% pure. Do not use common rubbing alcohol. Failure to observe this caution will deposit contaminates on the fiber surface.
- Page 37 Chapter 2 - Installation Cleaning, Continued Cleaning of Connectors in a Bulkhead Adapter(continued) Step Action Blow dust particles from the interior surface of the bulkhead adapter using filtered canned air as follows: CAUTION Be sure to hold air can in upright position so that liquid from the can cannot enter the air tube.
- Page 38 Chapter 2 - Installation Cleaning, Continued Cleaning of Follow this procedure to clean optical connectors not installed in an equipment Connectors Not bulkhead adapter. in a Bulkhead Adapter Step Action NOTE Do not reinstall protective cap after cleaning procedure. Protective caps are designed to protect the connector ferrule from damage, not to keep the connector clean.
- Page 39 Chapter 2 - Installation Cleaning, Continued Cleaning of Connectors Not in a Bulkhead Adapter (continued) Step Action Gently wipe the connector ferrule and endface. For APC connectors only, wipe with one continuous motion in the direction of the angle. Discard the wipes. Place a dry lint-free wipe on a solid surface and gently slide the connector endface across the wipe.
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Page 41: Chapter 3 Setup And Operation
Chapter 3 Setup and Operation Overview Introduction This chapter describes how to set up and operate Laser Link Narrowcast Return Transmitter (LLNTR). These procedures assume the LLNTR is installed according to the procedures in Chapter 2 of this manual. In this Chapter This chapter contains the following sections. - Page 42 Chapter 3 – Setup and Operation (This Page Intentionally Blank) LLNTR Installation and Operation 70285...
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Page 43: Section A Activating The Llntr
Section A Activating the LLNTR Activation Introduction This section describes activating the LLNTR. Activation consists of connecting the RF input signal to the LLNTR. When the input signal is connected, the LLNTR automatically produces an optical output. RF Signal Input Check the RF input signal with a spectrum analyzer prior to connecting the Check cable to the RF IN jack of the LLNTR. - Page 44 Chapter 3 – Setup and Operation (This Page Intentionally Blank) 3-A-2 LLNTR Installation and Operation 70285...
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Page 45: Section B Controls And Indicators
Section B Controls and Indicators Overview Introduction This section describes the controls and indicators of the Laser Link Narrowcast Return Transmitter (LLNTR). In this Section This section contains the following topics. Topic See Page Front Panel Controls and Indicators 3-B-2 Rear Panel Connectors 3-B-4 70285... -
Page 46: Front Panel Controls And Indicators
Chapter 3 – Setup and Operation Front Panel Controls and Indicators Overview The front panel of the Laser Link Narrowcast Return Transmitter (LLNTR). provides access to the optical and RF test points, RF attenuator and LED diagnostic indicators and the optical output connector. Diagram This diagram shows the front panel of the LLNTR. - Page 47 Chapter 3 – Setup and Operation Front Panel Controls and Indicators, Continued Description The table below describes the front panel controls and indicators. Reference Control/Indicator Description POWER LED Displays status of power to the LLNTR: • Green indicates normal operation of the +24 V dc primary power supply •...
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Page 48: Rear Panel Connectors
Chapter 3 – Setup and Operation Rear Panel Connectors Overview The rear panel of the LLNTR provides access to the RF input connector and the power interface. Diagram This diagram shows the rear panel of the LLNTR. Continued on next page 3-B-4 LLNTR Installation and Operation 70285... - Page 49 Chapter 3 – Setup and Operation Rear Panel Connectors, Continued The table below describes the rear panel controls and indicators. Description Reference Connector Description RF IN RF input F-type connector POWER 15-pin D-type connector. Provides power and alarm connector to the Laser Link II Mainframe power distribution board.
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Page 51: Section C Status Monitoring
Section C Status Monitoring Overview Introduction This section describes status monitoring for the LLNTR. In addition to the front-panel LEDs, LLNTR vital parameters are also privided to the mainframe EMIC or user panel and to the mainframe telemetry port. Depending on the configuration purchased, the mainframe is shipped to the customer with either the EMIC or the user panel installed. -
Page 52: User Panel
Chapter 3 – Setup and Operation User Panel Description The Laser Link user panel receives information from the LLNTR through the mainframe’s general operation alarm, GOALN. The ALARM LED on the panel illuminates red to signal an alarm condition for any of the modules housed in the mainframe (transmitters, receivers, and amplifiers). -
Page 53: Emic
Chapter 3 – Setup and Operation EMIC Description The optional Element Management Interface Card (EMIC) collects the vital signs signals of the modules in a Laser Link II Mainframe • provides the communications interface between the mainframe and the • Track Link system (if used) Parameters monitored by this system include: power supply status, +5 V dc status, optical output power, laser bias current, and laser temperature (via... -
Page 54: Third Party
Chapter 3 – Setup and Operation Third Party Description For use with third-party network management systems, such as AM Communications and Superior Electronics products, the LLNTR may be monitored via the telemetry port on the Laser Link II Mainframe. The 25-pin connector interface is located on the power distribution board and provides non-proprietary network management signals (see mainframe user manual). -
Page 55: Section D Troubleshooting
Chart Use this chart as an aid in the trouble analysis of the LLNTR. If you require assistance, call ANTEC Technical Services at 1-800-FIBER ME. Technical Service is available between 8 am and 6 pm est. Twenty-four hour emergency service is available on a callback basis within 30 minutes. - Page 56 Chapter 3 – Setup and Operation Troubleshooting, Continued Chart (continued) Indicator Trouble Condition Recommended Action LASER TEMP Laser temperature is If the operating environment is LED red out of range within normal range, replace the LLNTR and contact Technical Services for an RR# LASER BIAS Laser bias current is Replace the LLNTR and contact...
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