Symmetricom 59552A User Manual
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Symmetricom 59552A User Manual

Symmetricom 59552A User Manual

Fiber-optic distribution amplifier and fiber-optic receiver
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097-59552-01
Issue 1: Apr 00
59552A
Fiber-Optic Distribution
Amplifier
and
59553A
Fiber-Optic Receiver
User's Guide
Copyright © 2000 Symmetricom, Inc. All rights reserved. Printed in U.S.A.

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Summary of Contents for Symmetricom 59552A

  • Page 1 097-59552-01 Issue 1: Apr 00 59552A Fiber-Optic Distribution Amplifier 59553A Fiber-Optic Receiver User’s Guide Copyright © 2000 Symmetricom, Inc. All rights reserved. Printed in U.S.A.
  • Page 2 59552A Fiber-Optic Distribution Amplifier and instruction manual. the 59553A Fiber-Optic Receiver. This manual applies to the 59552A Fiber-Optic Distribution Amplifier and 59553A Fiber-Optic Receiver you have received unless update Indicates hazardous voltages.

  • Page 3: Table Of Contents

    To Remove 59552A Cover To Remove 59553A Cover Configuring for One-Signal Distribution (Digital Mode Operation) Overview of the Digital Mode To Configure the 59552A and 59553A for Digital Mode Operation 2-11 Configuring the 59552A for Digital Mode 2-11 Configuring the 59553A for Digital Mode...
  • Page 4 Contents Configuring the 59553A for Combined Mode Operation 2-20 Operational Verification Chapter Contents Introduction Equipment Required 59552A/59553A Operational Verification Setup Digital Out (1 PPS) and Analog (IRIG) Out Waveform Tests LED Indicator Test Specifications Introduction Index User’s Guide...

  • Page 5: In This Guide

    Receiver. Chapter 1, “Getting Started,” introduces you to the 59552A/59553A with illustrated overviews of a typical distribution system, and the 59552A/59553A’s front and rear panels. A section on power cabling requirements is also provided. Chapter 2, “Configuring Your 59552A/59553A,” provides configuration procedures with overview information for the 59552A/59553A.

  • Page 6: Description Of Symmetricom Fiber-Optic Distribution Amplifier And Receiver

    59552A Fiber-Optic Distribution Amplifier The 59552A Fiber-Optic Distribution Amplifier, used with the 59553A Fiber-Optic Receivers, provides clean, timing-quality transmission of precise frequency and time signals, or distribution of timing signals for various applications (such as the analysis, monitoring, and control of power-utility substations).

  • Page 7: 59553A Fiber-Optic Receiver

    BNC connector. The 59553A, used with the 59552A Fiber-Optic Distribution Amplifier, provides clean, timing-quality transmission to analyze monitoring and control equipment in power-utility substations, or any application involving precise frequency and time signals.
  • Page 8 In This Guide viii User’s Guide...

  • Page 9: Getting Started

    Getting Started...

  • Page 10: Typical Timing Signal Distribution System

    IRIG-B time code. The 59553A ensures an identical, synchronous clock signal and precise time of day at each distribution point. In addition to connecting the 59552A and 59553A as shown in the block diagram, you may need to configure both the 59552A and 59553A by positioning internal jumpers (refer to Chapter 2, “Configuring Your...

  • Page 11: 59552A Front Panel At A Glance

    59551A GPS Measurements Synchronization 2 When the Digital In (1 PPS) indicator is flashing Module. on and off, it indicates that the 59552A is receiving the 1 PPS (1 Pulse Per Second) signal typically from the 59551A GPS Measurements Synchronization Module.

  • Page 12: 59552A Rear Panel At A Glance

    Chapter 1 Getting Started 59552A Rear Panel at a Glance 59552A Rear Panel at a Glance 1 Digital In (1 PPS) BNC connector for receiving 4 Frame-ground stud for chassis-ground the 1 Pulse Per Second signal typically from connection. the 59551A GPS Measurements 5 OUTPUTS fiber-optic connectors (metal ST) for Synchronization Module.

  • Page 13: 59553A Front Panel At A Glance

    59553A is 59553A. receiving the IRIG-B signal from the 59552A Fiber-Optic Distribution Amplifier. 2 When the Digital In (1 PPS) indicator is flashing on and off, it indicates that the 59553A is...

  • Page 14: 59553A Rear Panel At A Glance

    2 Fiber Optic In fiber-optic connectors (metal ST) 5 Frame-ground stud for chassis-ground connection. for receiving the transmitted results of the two-signal combined (1 PPS and IRIG) or the one-signal digital (1 PPS) from the 59552A Fiber-Optic Distribution Amplifier. User’s Guide...

  • Page 15: Preparing The 59552A/59553A For Use

    Preparing the 59552A/59553A for Use To Connect AC Power The ac power module or jack senses incoming voltage and automatically selects the proper setup. Just connect the 59552A/59553A to the ac power source using the supplied power cord. User’s Guide...

  • Page 16: Cable

    To Assemble and Connect the +129 Vdc IEC 320 Connector/Cable The 59552A/59553A is operated from ac voltage. It can also be operated from 129 Vdc. Note that you will have to assemble your own dc power cable using 18 AWG connecting wires and the supplied IEC 320 dc connector plug as shown in Figure 1-1A.
  • Page 17 Chapter 1 Getting Started Preparing the 59552A/59553A for Use 3 Slide the cable sleeve (6) over the cable (7). 4 Loosen the screw of 5 (L) terminal, and connect the positive (high) voltage wire to the terminal. The “L” terminal marking is inscribed inside the bottom cover (9).
  • Page 18 Chapter 1 Getting Started Preparing the 59552A/59553A for Use 1 Cover screw 4 Wire clamp screws 2 Top cover 5 Wire clamp 3 Cable sleeve 6 Bottom cover Figure 1-1B. 129 Vdc DC Power Cable Assembly 13 As shown in Figure 1-1B, join the two covers (2, 6) by properly positioning them together and tightening the wire clamp screws (4).
  • Page 19 Configuring Your 59552A/59553A...

  • Page 20: Configuring Your 59552A/59553A Chapter Contents

    • Configuring for One-Signal Distribution (Digital Mode Operation) page 2-9 – Overview of the Digital Mode page 2-9 – To Configure the 59552A and 59553A for Digital Mode Operation page 2-11 • Configuring for Two-Signal Distribution (Combined Mode Operation) page 2-16 –...

  • Page 21: Introduction

    The factory configures the instruments for Combined Mode operation. Selection of Digital Mode operation requires reconfiguration of both the 59552A and 59553A by repositioning of internal jumpers, as shown in tables 2-1 and 2-2. If your application requires transmission of only one digital signal, use the Digital Mode.
  • Page 22 Chapter 2 Configuring Your 59552A/59553A Introduction Table 2-1. 59552A/59553A Two-Signal Configuration Feature Choices Factory 59552A Jumpers 59553A Jumpers Default Jumper Position Jumper Position Mode Combined (two signals) Digital Input On-Time Edge Rising Edge of Input Falling Edge of Input Input Impedance, Analog...

  • Page 23: Removing The Covers

    • Hand TORX® 15 screwdriver (T15)—for 59552A To Remove 59552A Cover The following procedure tells you how to remove the cover from the 59552A Fiber-Optic Distribution Amplifier. The cover is removed to access the jumpers. WARNING WHEN THE COVER IS REMOVED FROM THE INSTRUMENT, LINE VOLTAGES ARE EXPOSED WHICH ARE DANGEROUS AND MAY CAUSE SERIOUS INJURY IF TOUCHED.

  • Page 24: To Remove 59553A Cover

    .A . .A . & & Figure 2-2. Bottom View for Cover Removal (59552A) 4 With one hand gripping the front bezel, pull the cover off with the other hand by sliding the cover backward. To Remove 59553A Cover The following procedure tells you how to remove the cover from the 59553A Fiber-Optic Receiver.
  • Page 25 Chapter 2 Configuring Your 59552A/59553A Removing the Covers F I B F I B F I B T I C D i g T I C T I C D i g D i g i t a i t a...
  • Page 26 Chapter 2 Configuring Your 59552A/59553A Removing the Covers F I B T I C D i g i t a l I n ( 1 P I V E a l o ( I R Figure 2-4. Removing the Cover (59553A)

  • Page 27: Configuring For One-Signal Distribution (Digital Mode Operation)

    Digital In (1 PPS) BNC connector of the 59552A Fiber-Optic Distribution Amplifier via a BNC cable where the signal is distributed to each of the eight fiber-optic outputs of the 59552A (Ch 1 through Ch 8). Using a fiber-optic cable, each of these outputs can be connected to the Fiber Optic In connector of an 59553A Fiber-Optic Receiver.
  • Page 28 Chapter 2 Configuring Your 59552A/59553A Configuring for One-Signal Distribution (Digital Mode Operation) Fiber-Optic Fiber-Optic HP 59552A 59552A Cables Cables HP 59553A 59553A Fiber-Optic Fiber-Optic Fiber-Optic Receivers Distribution Fiber-Optic Receivers Distribution (Eight) (Eight) Amplifier Amplifier Digital Signal Digital Signal Digital Out (1PPS)

  • Page 29: To Configure The 59552A And 59553A For Digital Mode Operation

    1 Remove the cover. See the section titled “Removing the Covers.” 2 In the 59552A, place both jumpers P5 and P6 in the pins 2,3 position (i.e., pins 2 and 3 shorted or connected together) as shown in Figure 2-6.
  • Page 30 2 to 3 DIGITAL and ANALOG 1 to 2 1 2 3 1 2 3 EDGE- EDGE- 2 to 3 2 to 3 EDGE+ EDGE+ 1 to 2 1 to 2 Figure 2-6. 59552A Digital Mode Jumper Locations 2-12 User’s Guide...

  • Page 31: Configuring The 59553A For Digital Mode

    Chapter 2 Configuring Your 59552A/59553A Configuring for One-Signal Distribution (Digital Mode Operation) Configuring the 59553A for Digital Mode 1 Remove the cover. See the section titled “Removing the Covers.” 2 In the 59553A, place jumper P3 in its pins 1,2 default position as shown in Figure 2-7.
  • Page 32 Chapter 2 Configuring Your 59552A/59553A Configuring for One-Signal Distribution (Digital Mode Operation) 4 Re-install the cover by performing the cover removal procedure in reverse. 5 Now, connect the units as shown in Figure 2-8. This completes the One-Signal Distribution (Digital Mode Operation) configuration procedure.
  • Page 33 Chapter 2 Configuring Your 59552A/59553A Configuring for One-Signal Distribution (Digital Mode Operation) 59551A 59552A Measurements Fiber-Optic 59553A Synchronization Distribution Fiber-Optic Receivers Module Amplifier (Rear Panel) (Rear Panel) (Rear Panel) Ch 1 Ch 2 Ch 3 Ch 4 Ch 5 Ch 6...

  • Page 34: Configuring For Two-Signal Distribution (Combined Mode Operation)

    59552A Fiber-Optic Distribution Amplifier via BNC cables. These signals are distributed to each of the eight fiber-optic outputs of the 59552A (Ch 1 through Ch 8). Using fiber-optic cables, each of these outputs can be connected to the Fiber Optic In connector of an 59553A Fiber-Optic Receiver.
  • Page 35 Chapter 2 Configuring Your 59552A/59553A Configuring for Two-Signal Distribution (Combined Mode Operation) Fiber-Optic 59552A Cables 59553A Fiber-Optic Fiber-Optic Receivers Distribution (Eight) Amplifier Analog Out (IRIG) Combined Signal Digital Out (1PPS) IRIG Input 1PPS Input System Figure 2-9. Block Diagram of Two-Signal Combined Mode Operation (Using Eight 59553As) User’s Guide...

  • Page 36: To Configure The 59552A And 59553A For Combined Mode Operation

    1 Remove the cover. See the section titled “Removing the Covers.” 2 In the 59552A, place both jumpers P5 and P6 in the pins 1,2 position (i.e., pins 1 and 2 shorted or connected together) as shown in Figure 2-10.
  • Page 37 2 to 3 DIGITAL and ANALOG 1 to 2 1 2 3 1 2 3 EDGE- EDGE- 2 to 3 2 to 3 EDGE+ EDGE+ 1 to 2 1 to 2 Figure 2-10. 59552A Combined Mode Jumper Locations User’s Guide 2-19...

  • Page 38: Configuring The 59553A For Combined Mode Operation

    Chapter 2 Configuring Your 59552A/59553A Configuring for Two-Signal Distribution (Combined Mode Operation) Configuring the 59553A for Combined Mode Operation 1 If you need to set the rising edge of the 1 PPS output to correspond with on-time edge (system output is a positive pulse), place jumper P3 in its pins 1,2 default position as shown in Figure 2-11.
  • Page 39 Chapter 2 Configuring Your 59552A/59553A Configuring for Two-Signal Distribution (Combined Mode Operation) 59551A 59552A Measurements Fiber-Optic 59553A Synchronization Distribution Fiber-Optic Receivers Module Amplifier (Rear Panel) (Rear Panel) (Rear Panel) Ch 1 Ch 1 Ch 2 Ch 2 Ch 3 Ch 3...
  • Page 40 Chapter 2 Configuring Your 59552A/59553A Configuring for Two-Signal Distribution (Combined Mode Operation) 2-22 User’s Guide...

  • Page 41: Operational Verification

    Operational Verification...

  • Page 42: Chapter Contents

    This chapter is organized as follows: • Introduction page 3-3 • Equipment Required page 3-3 • 59552A/59553A Operational Verification page 3-4 – Setup page 3-4 – Digital Out (1 PPS) and Analog (IRIG) Out...

  • Page 43: Introduction

    IRIG-B (analog) signals. Because of this tandem relationship, the operational verification will require that at least one each of the 59552A and 59553A be available, plus a nominal length of metal ST fiber optic cable for connecting the two instruments.

  • Page 44: 59552A/59553A Operational Verification

    This test will require that all eight fiber-optic outputs (Ch 1 through Ch 8) on the 59552A be tested. Setup 1 Ensure that both the 59552A and 59553A are set to the factory default two-signal combined operation. Refer to Chapter 2, “Configuring Your 59552A/59553A,” in this guide for assistance in determining this operating mode.

  • Page 45: Digital Out (1 Pps) And Analog (Irig) Out Waveform Tests

    6 Verify the presence of a 1 kHz sine wave on Channel 1. 7 Connect the next fiber-optic output of the 59552A to the 59553A and repeat steps 4 and 6 until all 8 ports on the 59552A have been verified. User’s Guide...

  • Page 46: Led Indicator Test

    1 Verify that the front-panel Digital In (1PPS) LED is flashing on both the 59552A and the 59553A. 2 Verify that the Analog In (IRIG) LED is illuminated for both the 59552A and the 59553A. This completes the 59552A/59553A Operational Verification. User’s Guide...
  • Page 47 Specifications...

  • Page 48: Specifications Introduction

    Chapter 4 Specifications Introduction Introduction Both warranted specifications and operating characteristics for the 59552A and 59553A are provided in this chapter. To distinguish warranted specifications from operating characteristics, the word “nominal” appears next to a characteristic. User’s Guide...
  • Page 49 Selection of Digital Mode Analog voltage gain: unity operation requires reconfiguration (input of 59552A to output of of both the 59552A and 59553A by 59553A driving 600 Ω load) repositioning of internal jumpers. Digital Mode Both warranted specifications and...
  • Page 50 1 PPS input Optical connector: metal ST One analog input typically used as Outputs: *59552A and 59553A come standard with IRIG-B123 input One digital output typically used as 110, 240 Vac. For use with 129 Vdc power, assemble and connect your own...
  • Page 51 Index NUMERICS 1 PPS eight fiber-optic outputs 59551A GPS Measurement electrical noise Synchronization Module 59552A rear panel factory default configuration 59552A/59553A specifications and Fiber Optic In characteristics fiber-optic input connector 59553A fiber-optic outputs frame ground ac power front panel Analog In (IRIG)
  • Page 52 Index Power indicator power input jack Power LED power supply preface rear panel distribution amplifier 59552A 59553A receiver receiver removing covers screwdriver TORX signal 1 PPS Analog Digital IRIG-B Table 2-1, two-signal configuration Table 2-2, one-signal configuration tools required TORX screwdriver...

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