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Symmetricom 5087B, Operation And Maintenance Manual

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27

Symmetricom 5087B Wideband Distribution Amplifier
Operations and Maintenance Manual

 

4
Troubleshooting the Symmetricom 
5087B 

Replacing Fuses    

28

Verifying Operational Problems    

29

Perform all of the following procedures before returning the unit for 
service. For the Customer Assistance Center contact:

•

Worldwide (Main Number): 1-408-428-7907

•

USA, Canada, Latin America including Caribbean, Pacific Rim 
including Asia, Australia, and New Zealand: 1-408-428-7907 

•

USA toll-free: 1-888-367-7966 (1-888-FOR-SYMM) 

•

Europe, Middle East & Africa: 49 700 32886435

•

www.symmetricom.com

The Symmetricom 5087B does not have any user-serviceable parts.

Summary of Contents for 5087B

Page 1: ...Symmetricom 5087B Wideband Distribution Amplifier Operations and Maintenance Manual Part Number 05087 13402 Revision E November 2010 ...

Page 2: ...scribed in this document are furnished under a license and may be used or copied only in accordance with the terms of such license Restricted Rights Legend If software is for use in the performance of a U S Government prime contract or subcontract Software is delivered and licensed as Commercial computer soft ware as defined in DFAR 252 227 7014 June 1995 or as a commercial item as defined in FAR ...

Page 3: ...evel 17 To adjust the output level 17 Assigning a Static IP Address 18 To assign the static IP address using the Lantronix DeviceInstaller software 18 To assign the static IP address using Telnet 19 Cleaning 20 3 Monitoring the Symmetricom 5087B Accessing the System 22 Checking System Status 23 Checking Alarms and Input Frequency 23 Understanding Alarm Output 24 Checking Model Number and Software ...

Page 4: ...nd Maintenance Manual Rev E A Specifications Directives 33 Electromagnetic Compatibility 89 336 EEC 33 Safety 73 23 EEC 33 Standards 33 Electrical Specifications 34 Environmental Specifications 36 Physical Specifications 37 B Glossary ...

Page 5: ... Symmetricom 5087B Wideband Distribution Amplifier Operations and Maintenance Manual 1 Introduction Symbols 7 About This Manual 8 Conventions 9 Symmetricom 5087B Overview 10 Front panel 10 Rear panel 11 ...

Page 6: ...e that all cables are properly connected The power cord must be easy to remove from the back Verify that input line voltage and current capacity are within specifications before turning on the unit Do not place power supply cords or other cables on top of unit or against heatsinks Operating and maintenance personnel must receive proper training before installing or maintaining electrical equipment...

Page 7: ...inent hazard If not avoided the hazard will cause death or serious injury Warning indicates a potential hazard If not avoided the hazard can cause death serious injury or substantial damage to equipment Caution indicates a potential hazard If not avoided the hazard can cause moderate injury or moderate damage to equipment Hot surface CE marking This symbol attests compliance to applicable European...

Page 8: ...ter also briefly describes the Symmetricom 5087B Chapter 2 Installing and Setting Up the Symmetricom 5087B contains important safety information and describes how to install the Symmetricom 5087B set the gain and assign a fixed IP address Chapter 3 Monitoring the Symmetricom 5087B describes how to monitor alarms Chapter 4 Troubleshooting the Symmetricom 5087B describes how to replace fuses and ver...

Page 9: ...inition Bold Words in bold show Buttons and icons to click Menu options to select Commands to type Non variable information displayed in response to commands Italics Words in italics show Names of windows and dialog boxes Variable information displayed in response to commands Note This symbol means the following information is a note that gives you important information that may affect how you use...

Page 10: ...otentiometer screw accessible from the front panel to compensate for cable loss The Symmetricom 5087B uses a 2U high 19 inch rack mount chassis An Ethernet port on the rear panel enables you to remotely monitor the status of the input and output signals When the unit detects a failure it immediately sends an alarm to the Ethernet port The LEDs on the front panel show the status of the input signal...

Page 11: ...tricom 5087B Operations and Maintenance Manual Rev E 11 Figure 2 Rear panel ETHERNET PORT 1 RJ 45 connector INPUT A Connect 1 to 10 MHz source OUTPUTS 12 BNC connectors AC POWER connector ALARM Opencollector output device ...

Page 12: ...12 Symmetricom 5087B Operations and Maintenance Manual Rev E 1 Introduction ...

Page 13: ...deband Distribution Amplifier Operations and Maintenance Manual 2 Installing and Setting Up the Symmetricom 5087B Installing the Symmetricom 5087B 14 Adjusting the Output Level 17 Assigning a Static IP Address 18 Cleaning 20 ...

Page 14: ...tomer supplied LAN cable for network connection RJ 45 Rack mounting screws Screwdriver for the rack mount screws as needed Since the unit does not have a AC mains power switch both the appliance inlet connector and the plug on the detachable power supply cord are considered to be suitable disconnect means for disconnecting the unit from the AC mains supply If the rear of the unit is not accessible...

Page 15: ...ere there is a perpendicular slot and notches in the side of the bracket 4 Plug the female end of the power cord into the male IEC 320 plug on the rear of each power supply 5 Plug the male end of each power cord into a 100 240 VAC 50 60 Hz power source Ensure that this power supply cord is connected to a properly grounded mains receptacle 6 Connect the input signal cables from a 1 to 10 MHz source...

Page 16: ...mmetricom 5087B Operations and Maintenance Manual Rev E 2 Installing and Setting Up the Symmetricom 5087B For information about configuring the network connection see Assigning a Static IP Address on page 18 ...

Page 17: ...st the output level to a value between 0 75 Vrms and 3 Vrms Required equipment Oscilloscope Small flat head screwdriver To adjust the output level 1 Connect an oscilloscope to the output you want to change 2 Using a small flat head screwdriver turn the potentiometer next to the LED for the output until the oscilloscope shows the output level you want ...

Page 18: ...tion about the DeviceInstaller software see the Xport User Manual Section 3 3 discusses several different ways that you can assign IP addresses Chapter 4 explains how to permanently configure the IP address You can download the Xport User Manual from the Lantronix Web site as an Adobe Acrobat PDF file Go to http www lantronix com To assign the static IP address using the Lantronix DeviceInstaller ...

Page 19: ... instrument s Xport device and it should show successful replies if the IP address has been configured correctly 8 Exit the browser To assign the static IP address using Telnet 1 Telnet to the assigned address port 9999 2 Press Enter within five seconds to enter the setup mode 3 Select Option 0 4 Set the IP address and follow the on screen instructions to save the setting 5 Telnet to the new IP ad...

Page 20: ...ing and Setting Up the Symmetricom 5087B Cleaning Clean the main chassis with a soft cloth dampened with a mild soap and water solution CAUTION Do not spray or use too much liquid when cleaning the unit Liquid can enter the unit and damage sensitive electronic components ...

Page 21: ...21 Symmetricom 5087B Wideband Distribution Amplifier Operations and Maintenance Manual 3 Monitoring the Symmetricom 5087B Accessing the System 22 Checking System Status 23 Understanding Alarm Output 24 ...

Page 22: ...s the Symmetricom 5087B system remotely by connecting to its Command And Response CNR Port through the Ethernet connection The CNR port Port 10001 which uses TCP IP lets users input commands displays results of the commands and publishes alarms as they occur When you Telnet to the CNR port the system does not display a prompt ...

Page 23: ...tus since the last status request Both abcde and fghij are hexadecimal numbers with each bit position representing one output LSB farthest right is output 1 MSB is the input Bits 0 15 are latched alarms Bits 16 19 are change in status bits Latched alarms remain active in the current status field and latched status field until the problem is corrected Changed status bits are cleared upon next statu...

Page 24: ...on page 23 Example ALARM00003 This example shows that outputs 1 and 2 have active faults b or g 15 0 Channel A active input 1 Channel B active input 14 1 Cannot lock to input B 13 1 Cannot lock to input A 12 1 Autoswitch occurred c or h 11 1 output 12 failed 10 1 output 11 failed 9 1 output 10 failed 8 1 output 9 failed d or i 7 1 output 8 failed 6 1 output 7 failed 5 1 output 6 failed 4 1 output ...

Page 25: ...king Model Number and Software Version Both commands are case sensitive You do not need to type a carriage return or line feed To check the model number Type I The system returns I5087B 00 r n To check the software version Type V The system returns Vxx r n where xx is the software version Example V00 ...

Page 26: ...26 Symmetricom 5087B Operations and Maintenance Manual Rev E 3 Monitoring the Symmetricom 5087B ...

Page 27: ...procedures before returning the unit for service For the Customer Assistance Center contact Worldwide Main Number 1 408 428 7907 USA Canada Latin America including Caribbean Pacific Rim including Asia Australia and New Zealand 1 408 428 7907 USA toll free 1 888 367 7966 1 888 FOR SYMM Europe Middle East Africa 49 700 32886435 www symmetricom com The Symmetricom 5087B does not have any user service...

Page 28: ...uired for this procedure Small flat head screwdriver Replacement fuse for a standard IEC 320 power entry module with fuse 5 x 20 mm 1 amp 250 volt fuse P N 2110 0973 To replace a fuse 1 Disconnect the power cable from the back of the Symmetricom 5087B 2 Using a small screwdriver open the fuse cover on the back of the Symmetricom 5087B 3 Replace the old fuses as necessary 4 Close the fuse cover 5 R...

Page 29: ...ns and Maintenance Manual Rev E 29 Verifying Operational Problems If the unit does not operate properly after you have verified that the correct power is applied to the rear of the Symmetricom 5087B and the fuses are good return the unit to Symmetricom Inc for repair ...

Page 30: ...30 Symmetricom 5087B Operations and Maintenance Manual Rev E 4 Troubleshooting the Symmetricom 5087B ...

Page 31: ... Symmetricom 5087B Wideband Distribution Amplifier Operations and Maintenance Manual A Specifications Directives 33 Electrical Specifications 34 Environmental Specifications 36 Physical Specifications 37 ...

Page 32: ... been designed and manufactured to the following specifications Safety EN61010 1 2001 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements EMC EN61326 1 2001 Electrical Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements EN 55011 Class A Radiated Emissions I hereby declare that t...

Page 33: ...of the laws of the Member States relating to electromagnetic compatibility EMC Directive with amendments Safety 73 23 EEC Council Directive on the harmonization of the laws of the Member States relating to electronic devices for use within certain voltage limits LVD Low Voltage Directive with amendments Standards EN 61010 1 EN 61326 1 Class A For more information refer to the letter of conformance...

Page 34: ...mber 2110 0973 Signal Input Number One Impedance 50 Ω Amplitude 0 3 to 3 Vrms 2 6 to 22 6 dBm Frequency Range 1 0 10 0 MHz Signal Type Sine wave Voltage Standing Wave Ration VSWR 1 5 Damage Level 24 dBm Input Status Front Panel Indicator Level detect minimum 0 3 Vrms Connectors Input 1 BNC Output 12 BNC Alarm 1 BNC Network RJ 45 SSB Phase Noise 5 10 MHz 1 Hz 110 dBc Hz 10 Hz 123 dBc Hz 100 Hz 128 ...

Page 35: ... Vrms 80 dBc 10 Hz to 50 kHz Isolation Output to output Output to input 104 dBc typical Output isolation is measured by injecting 900 Hz signal 0 5Vpp and 20us wide into an output port and measuring the associated phase noise spur at 900 Hz offset on adjacent output ports and input port 100dBc Table 3 Electrical specifications Continued Item Specification ...

Page 36: ...r continuous operation Table 4 lists the environmental specifications for the Symmetricom 5087B CAUTION This unit is for INDOOR USE ONLY It is not sealed to prevent moisture from entering the enclosure Table 4 Environmental specifications Item Temperature Relative Humidity Altitude In Use 0 C to 50 C 10 to 85 non condensing 4 000 meters 15 000 ft Storage 62 C to 75 C 5 to 95 non condensing Transpo...

Page 37: ...pecifications Table 5 lists the physical specifications for the Symmetricom 5087B Table 5 Physical specifications Item Specification Width 450 mm Standard 19 inch rack mount Height 90 mm Standard 2U rack Depth 370 mm excluding connectors Weight Weight 6 2 kg 6 5 kg with optional 020 or 021 ...

Page 38: ...38 Symmetricom 5087B Operations and Maintenance Manual Rev E A Specifications ...

Page 39: ...ne feed r Carriage return CNR Command and Response DHCP Dynamic Host Configuration Protocol ESD electrostatic discharge LED light emitting diode LSB least significant bit MSB most significant bit PDF portable document format PWA printed wiring assembly RF radio frequency TTL transistor transistor logic ...

Page 40: ...40 Symmetricom 5087B Operations and Maintenance Manual Rev E B Glossary ...

Page 41: ...14 22 port 10 18 22 F fuse replacing 28 symbol 7 G gateway address assigning 18 I input connector 10 LEDs 10 input frequency checking 23 input plug symbol 7 input signals connecting 14 installing the Symmetricom 5087B 14 IP address assigning 18 L LAN connecting 14 LAN port symbol 7 Lantronix DeviceInstaller software 18 Lantronix Xport See Xport LEDs input 10 output 10 power 10 M model number check...

Page 42: ...interface 23 directives 33 front panel 10 installing 14 monitoring 22 overview 10 rear panel 10 required cables 14 specifications 34 standards 33 unpacking 14 system commands 23 system status checking 23 T troubleshooting procedures 27 typographic conventions 9 U unpacking the Symmetricom 5087B 14 W warning 7 symbol 7 X Xport Ethernet to RS 232 converter 18 user manual 18 ...

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