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Содержание 59552A

Страница 1: ...097 59552 01 Issue 1 Apr 00 Copyright 2000 Symmetricom Inc All rights reserved Printed in U S A 59552A Fiber Optic Distribution Amplifier and 59553A Fiber Optic Receiver User s Guide ...

Страница 2: ...contact Symmetricom Inc 2300 Orchard Parkway San Jose CA 95131 1017 U S A Call Center 888 367 7966 from inside U S A only toll free 408 428 7907 U K Call Center 44 7000 111666 Technical Assistance 44 7000 111888 Sales Fax 408 428 7998 E mail ctac symmetricom com Internet http www symmetricom com Warning Symbols That May Be Used In This Book Instruction manual symbol the product will be marked with...

Страница 3: ...d Connect the 129 Vdc IEC 320 Connector Cable 1 8 2 Configuring Your 59552A 59553A Chapter Contents 2 2 Introduction 2 3 Removing the Covers 2 5 Tools Required 2 5 To Remove 59552A Cover 2 5 To Remove 59553A Cover 2 6 Configuring for One Signal Distribution Digital Mode Operation 2 9 Overview of the Digital Mode 2 9 To Configure the 59552A and 59553A for Digital Mode Operation 2 11 Configuring the...

Страница 4: ...ation 2 20 3 Operational Verification Chapter Contents 3 2 Introduction 3 3 Equipment Required 3 3 59552A 59553A Operational Verification 3 4 Setup 3 4 Digital Out 1 PPS and Analog IRIG Out Waveform Tests 3 5 LED Indicator Test 3 6 4 Specifications Introduction 4 2 Index ...

Страница 5: ...lustrated 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 Chapter 3 Operational Verification provides an abbreviated series of checks that may be performed to give an high degree ...

Страница 6: ...ications such as the analysis monitoring and control of power utility substations In a typical application requiring distribution of one pulse per second 1 PPS and IRIG B time code the 59552A provides an identical synchronous clock signal and precise time of day to every distribution point The 59552A Fiber Optic Distribution Amplifier receives a digital TTL signal and an analog signal via two BNC ...

Страница 7: ...gnal to a 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 In a typical application requiring distribution of one pulse per second 1 PPS and IRIG B time code the 59953A ensures an identica...

Страница 8: ...In This Guide viii User s Guide ...

Страница 9: ...1 Getting Started ...

Страница 10: ...ime 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 59552A 59553A You will also need to connect power to each unit refer to the section titled Preparing the 59552A 59553A for Use in this chapter To System Digital Ou...

Страница 11: ... the 59552A 2 When the Digital In 1 PPS indicator is flashing 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 3 When the Analog In IRIG indicator is illuminated it indicates that the 59552A is receiving the IRIG B signal typically from the 59551A GPS Measurements Synchronization Module ...

Страница 12: ... B signal typically from the 59551A GPS Measurements Synchronization Module 3 AC POWER input jack The AC input jack is standard The unit operates from ac voltage It can also be operated from dc voltage via this ac jack by using the supplied IEC 320 dc connector plug 4 Frame ground stud for chassis ground connection 5 OUTPUTS fiber optic connectors metal ST for transmitting the results of the two s...

Страница 13: ...uminated it indicates that input power is supplied to the 59553A 2 When the Digital In 1 PPS indicator is flashing on and off it indicates that the 59553A is receiving the 1 PPS 1 Pulse Per Second signal from the 59552A Fiber Optic Distribution Amplifier 3 When the Analog In IRIG indicator is illuminated it indicates that the 59553A is receiving the IRIG B signal from the 59552A Fiber Optic Distri...

Страница 14: ...gs 4 3 2 1 120 240 VAC 50 60 Hz AC POWER 50 VA MAX 1 AC POWER input jack The AC input jack is standard The unit operates from ac voltage It can also be operated from dc voltage via this ac jack by using the supplied IEC 320 dc connector plug 2 Fiber Optic In fiber optic connectors metal ST for receiving the transmitted results of the two signal combined 1 PPS and IRIG or the one signal digital 1 P...

Страница 15: ...r Use User s Guide 1 7 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 ...

Страница 16: ...ure 1 1A 129 Vdc IEC 300 DC Connector Plug and Power Cable Exploded View 1 Using a small flat blade screwdriver open the connector by loosening the cover center screw 1 that holds the two covers 2 9 of the connector plug together as shown in Figure 1 1A 2 Using a small flat blade screwdriver pry loose contact terminals 3 4 and 5 from the bottom cover 9 of the connector plug 1 Cover screw 6 Cable s...

Страница 17: ...rew Soldering is not necessary 8 Loosen the screw of 4 terminal and connect the ground chassis wire to the terminal The terminal marking is inscribed inside the bottom cover 9 9 Tighten screw Soldering is not necessary 10 With the wires connected to the terminals 3 4 and 5 re insert the terminal in their proper positions in the bottom cover 9 11 Make sure that the cable sleeve s 6 brim is placed i...

Страница 18: ...wo covers 2 6 by properly positioning them together and tightening the wire clamp screws 4 14 Finally secure the two covers by tightening the cover screw 1 15 Observing the correct polarity attach the other ends of the wires to a proper dc power source to operate the Module 1 Cover screw 4 Wire clamp screws 2 Top cover 5 Wire clamp 3 Cable sleeve 6 Bottom cover ...

Страница 19: ...2 Configuring Your 59552A 59553A ...

Страница 20: ...ing the Covers page 2 5 To Remove 59552A Cover page 2 5 To Remove 59553A Cover page 2 6 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 Overview of Combined Mode page 2 16 To Configure the 595...

Страница 21: ...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 Digital Mode passes signals with minimal delay compared with those associated with c...

Страница 22: ... Ohms to GND P4 1 2 1 kilohm to 5 Volts P4 2 3 Digital Output On Time Edge Rising Edge at Output P3 1 2 Falling Edge at Output P3 2 3 The boldfaced choices in this column indicate the factory defaults Table 2 2 59552A 59553A One Signal Configuration Feature Choices Factory 59552A Jumpers 59553A Jumpers Default Jumper Pin Position Jumper Pin Position Mode Digital one signal P5 2 3 P4 2 3 P6 2 3 Dig...

Страница 23: ...OVER IS REMOVED FROM THE INSTRUMENT LINE VOLTAGES ARE EXPOSED WHICH ARE DANGEROUS AND MAY CAUSE SERIOUS INJURY IF TOUCHED DISCONNECT POWER 1 Remove the power cord from the 59552A 2 To remove the rear bezel loosen the captive screws on the sides as shown in Figure 2 1 using the TORX 15 screwdriver Figure 2 1 Rear Bezel Removal 59552A 3 Remove the screw located at the bottom near the rear of the cov...

Страница 24: ... E R S O N N E L F O R C O N T IN U E D F IR E P R O T E C T IO N U S E S P E C IF IE D L IN E F U S E 1 2 0 2 4 0 V A C 5 0 6 0 H z W A R N IN G C A U T IO N C h 1 C h 2 C h 3 C h 4 C h 5 C h 6 C h 7 C h 8 O U T P U T S A n a lo g In I R IG D ig it a l In 1 P P S A C P O W E R S E R IA L P L A T E Th is un it m us t be ea rt h gr ou nd ed M ET R IC IN C H H A R D W A R E C O N SU LT SE R VI C E M...

Страница 25: ...ng Screws in the Cover 59553A 3 Lift cover off the 59553A as shown in Figure 2 4 STATUS Power Digital In 1PPS Analog In IRIG 59553A FIBEROPTIC RECEIVER H STATUS Power Digital In 1PPS Analog In IRIG 59553A FIBEROPTIC RECEIVER H STATUS Power Digital In 1PPS Analog In IRIG 59553A FIBEROPTIC RECEIVER ...

Страница 26: ...vers 2 8 User s Guide Figure 2 4 Removing the Cover 59553A STATUS Power Digital In 1PPS Analog In IRIG 59553A FIBEROPTIC RECEIVER U R C O M P O N E N T T Y P E C U S T O M R E C T I F I E R L R 8 5 8 0 5 L E V E L 3 B a uart g e p r u f t T U V E 1 3 1 9 0 5 ...

Страница 27: ...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 Finally the 1 PPS signal is output at the Digital Out 1 PPS BNC connector of each 59553A to supply the timing signals to the system Digital Mode is intended to transmit a single digital signal The distribution system output replicates th...

Страница 28: ...sing Eight 59553As To System Digital Out 1PPS HP 59552A Fiber Optic Distribution Amplifier HP 59553A Fiber Optic Receivers Eight 1PPS Input ch1 ch2 ch3 ch4 ch5 ch6 ch7 ch8 Digital Signal Fiber Optic Cables To System Digital Out 1PPS 59552A Fiber Optic Distribution Amplifier 59553A Fiber Optic Receivers Eight 1PPS Input ch1 ch2 ch3 ch4 ch5 ch6 ch7 ch8 Digital Signal Fiber Optic Cables ...

Страница 29: ...onnected together as shown in Figure 2 6 3 Place both jumpers P7 and P8 in the pins 1 2 position as shown in Figure 2 6 4 Place jumper P3 in the pins 2 3 position the 600 Ω input impedance default position for the Analog In IRIG input as shown in Figure 2 6 5 If you require a 50 Ω load applied to the Digital In 1 PPS input place jumper P4 in the pins 1 2 position as shown in Figure 2 6 If you do n...

Страница 30: ...ode Operation 2 12 User s Guide Figure 2 6 59552A Digital Mode Jumper Locations P3 1 2 3 600 ohm 2 to 3 P4 1 2 3 50 ohm P5 1 2 3 2 to 3 1 to 2 DIGITAL DIGITAL and ANALOG 1 to 2 P6 1 2 3 2 to 3 DIGITAL DIGITAL and ANALOG 1 to 2 P8 1 2 3 2 to 3 EDGE 1 to 2 EDGE P7 1 2 3 2 to 3 EDGE 1 to 2 EDGE ...

Страница 31: ...lace jumper P3 in its pins 1 2 default position as shown in Figure 2 7 3 Place jumper P4 in the pins 2 3 position to select one signal transmission as shown in Figure 2 7 Figure 2 7 59553A Digital Mode Jumper Locations 1 to 2 PULSE 2 to 3 PULSE 1 to 2 PULSE 2 to 3 DIGITAL P3 P4 3 2 1 3 2 1 U R COMPONENT TYPE CUSTOM RECTIFIER LR85805 LEVEL 3 Bauar t ge pruft TUV E131905 1 to 2 PULSE 2 to 3 PULSE P3...

Страница 32: ...l Distribution Digital Mode Operation 2 14 User s Guide 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 ...

Страница 33: ...n User s Guide 2 15 Figure 2 8 One Signal Digital Mode Hookup Using Eight 59553As Ch 1 Ch 2 Ch 3 Ch 4 Ch 5 Ch 6 Ch 7 Ch 8 To System Digital Out 1PPS 1PPS 59552A Fiber Optic Distribution Amplifier Rear Panel 59553A Fiber Optic Receivers Rear Panel 59551A GPS Measurements Synchronization Module Rear Panel ...

Страница 34: ...mbined signals are output at the Digital Out 1 PPS and Analog Out IRIG connectors of the 59553A to supply timing signals to a system The on time edge of the Digital Out 1 PPS at the 59553A output is delayed approximately 2 microseconds through the distribution amplifier and receiver hardware Additional delay attributable to transmission through fiber will depend on the fiber line used Independent ...

Страница 35: ...ser s Guide 2 17 Figure 2 9 Block Diagram of Two Signal Combined Mode Operation Using Eight 59553As To System Digital Out 1PPS 59552A Fiber Optic Distribution Amplifier 59553A Fiber Optic Receivers Eight Analog Out IRIG IRIG Input 1PPS Input ch1 ch2 ch3 ch4 ch5 ch6 ch7 ch8 Combined Signal Fiber Optic Cables ...

Страница 36: ...dge is the rising or the falling edge of the 1 PPS signal input to the 59552A set jumpers P7 and P8 depending on your on time edge requirement If you require the rising edge of the 1 PPS input as the on time edge place both jumpers P7 and P8 in the pins 1 2 position as shown in Figure 2 10 If you require the falling edge of the 1 PPS digital input as the on time edge place both jumpers P7 and P8 i...

Страница 37: ...llowing section on each 59553A Fiber Optic Receiver to complete the Combined Mode configuration Figure 2 10 59552A Combined Mode Jumper Locations P3 1 2 3 600 ohm 2 to 3 P4 1 2 3 50 ohm P5 1 2 3 2 to 3 1 to 2 DIGITAL DIGITAL and ANALOG 1 to 2 P6 1 2 3 2 to 3 DIGITAL DIGITAL and ANALOG 1 to 2 P8 1 2 3 2 to 3 EDGE 1 to 2 EDGE P7 1 2 3 2 to 3 EDGE 1 to 2 EDGE ...

Страница 38: ...m output is a negative pulse place jumper P3 in its pins 2 3 position 2 Place jumper P4 in the pins 1 2 position to select two signal transmission as shown in Figure 2 11 Figure 2 11 59553A Combined Mode Jumper Locations 3 Re install the cover by performing the cover removal procedure in reverse 4 Now connect the units as shown in Figure 2 12 This completes the Two Signal Distribution Combined Mod...

Страница 39: ...al Combined Mode Hookup Using Eight 59553As Ch 1 Ch 2 Ch 3 Ch 4 Ch 5 Ch 6 Ch 7 Ch 8 Ch 1 Ch 2 Ch 3 Ch 4 Ch 5 Ch 6 Ch 7 Ch 8 To System 59552A Fiber Optic Distribution Amplifier Rear Panel 59553A Fiber Optic Receivers Rear Panel 59551A GPS Measurements Synchronization Module Rear Panel 1PPS IRIG Digital Out 1PPS Analog Out IRIG Digital Out 1PPS ...

Страница 40: ...Chapter 2 Configuring Your 59552A 59553A Configuring for Two Signal Distribution Combined Mode Operation 2 22 User s Guide ...

Страница 41: ...3 Operational Verification ...

Страница 42: ...nce that the instrument is operating properly without performing the complete performance tests An operational verification is useful for incoming inspection routine maintenance and after instrument repair 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 Wavefo...

Страница 43: ...ent Required The test equipment listed in Table 3 1 is necessary to perform the Operational Verification The suggested HP model number or equivalent will ensure that the equipment has the necessary characteristics to perform the test You may substitute any other equipment provided that it has the same or better specifications for the function in use Table 3 1 Recommended Test Equipment for Operati...

Страница 44: ...mode If each of the instruments was directly received from the factory these defaults should already be set up 2 Connect the equipment as shown in Figure 3 1 to begin testing of the first fiber output channel Ch 1 of the 59552A Figure 3 1 Operational Verification Setup HP 33120A Function Genertor Arbitrary Waveform Generator HP 54600B Oscilloscope Analog Out IRIG HP 33120A Function Genertor Arbitr...

Страница 45: ...n the value 2 5 V 2 Set the other HP 33120A to output a 1 kHz sine wave with a 1 Vp p amplitude by setting its controls as follows a Press Sine Wave function key b Press Freq key then Enter Number key c Using the appropriate number keys enter in the value 1 KHz d Press Ampl key then Enter Number key e Enter in the value 1 0 Vpp 3 Set the Channel 2 input of the HP 54600B Oscilloscope to dc coupled ...

Страница 46: ...3 6 User s Guide 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 ...

Страница 47: ...4 Specifications ...

Страница 48: ...ide 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 ...

Страница 49: ...nce up to 1 km Digital edge rate maximum 1 kHz Digital edge delay 2 µs 5 input of 59552A to output of 59553A excluding delay through fiber optic cable cable adds approximately 5 ns meter Digital output pulse width 70 µs nominal Digital input pulse polarity positive or negative selectable with internal jumper Digital output pulse polarity positive or negative selectable with internal jumper Digital...

Страница 50: ...epth 348 3 mm Weight 3 kg Half Rack module 59553A Fiber Optic Receiver Inputs Number of optical inputs 1 Optical connector metal ST Outputs One digital output typically used as 1 PPS output One analog output typically used as IRIG B123 output Digital output Output signal TTL Output impedance drives 50 Ω to GND Analog Output Output signal 5 volts peak to peak nominal Output impedance drives 600 Ω t...

Страница 51: ...4 Digital In 1 PPS indicator 1 3 Digital In 1 PPS LED 1 3 1 5 Digital Mode 2 3 Digital Out 1 PPS 1 6 disassemble 2 5 distribution two signal 2 16 distribution amplifier vi distribution system 1 2 E eight fiber optic outputs 1 4 2 9 electrical noise vi F factory default configuration 2 3 Fiber Optic In 1 6 fiber optic input connector 1 6 fiber optic outputs 2 9 frame ground 1 4 1 6 front panel dist...

Страница 52: ...anel distribution amplifier 1 4 59552A 1 4 59553A 1 6 receiver 1 6 receiver vii removing covers 2 5 S screwdriver TORX 2 5 signal 1 PPS 1 3 Analog 1 3 Digital 1 3 IRIG B 1 3 T Table 2 1 two signal configuration 2 4 Table 2 2 one signal configuration 2 4 tools required 2 5 TORX screwdriver 2 5 two signal combined 1 4 two signal distribution 2 16 typical system 1 2 ...

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