Spectracom 8194B Manuel utilisateur

GPS AGELESS®MASTER OSCILLATOR

MODEL 8194B, 8195B, 8197B

INSTRUCTION MANUAL

SPECTRACOM CORPORATION

95 METHODIST HILL DRIVE

ROCHESTER,NY 14623

PHONE 585.321.5800

FAX 585.321.5219

www.spectracomcorp.com

Part Number 1132-5000-0050

Manual Revision B

November 2005

reproduced in any form without the written permission of Spectracom Corporation. Printed in

USA.

Specifications subject to change or improvement without notice.

Spectracom, NetClock, Ageless, TimeGuard, TimeBurst, TimeTap, LineTap, MultiTap,

VersaTap, and Legally Traceable Time are Spectracom registered trademarks. All other

products are identified by trademarks of their respective companies or organizations. All rights

reserved.

SPECTRACOM 95 Methodist Hill Drive Rochester, NY 14623

+1.585.321.5800 FAX: +1.585.321.5218 www.spectracomcorp.com sa[email protected]

SPECTRACOM LIMITED WARRANTY

LIMITED WARRANTY

Spectracom warrants each new product manufactured and

sold by it to be free from defects in software, material,

workmanship, and construction, except for batteries, fuses, or

other material normally consumed in operation that may be

contained therein AND AS NOTED BELOW, for five years after

shipment to the original purchaser (which period is referred to

as the “warranty period”). This warranty shall not apply if the

product is used contrary to the instructions in its manual or is

otherwise subjected to misuse, abnormal operations, accident,

lightning or transient surge, repairs or modifications not

performed by Spectracom.

The GPS receiver is warranted for one year from date of

shipment and subject to the exceptions listed above. The

power adaptor, if supplied, is warranted for one year from date

of shipment and subject to the exceptions listed above.

THE ANALOG CLOCKS ARE WARRANTED FOR ONE YEAR

FROM DATE OF SHIPMENT AND SUBJECT TO THE

EXCEPTIONS LISTED ABOVE.

THE TIMECODE READER/GENERATORS ARE WARRANT-

ED FOR ONE YEAR FROM DATE OF SHIPMENT AND

SUBJECT TO THE EXCEPTIONS LISTED ABOVE.

The Rubidium oscillator, if supplied, is warranted for two years

from date of shipment and subject to the exceptions listed

above.

All other items and pieces of equipment not specified above,

including the antenna unit, antenna surge suppressor and

antenna pre-amplifier are warranted for 5 years, subject to the

exceptions listed above.

WARRANTY CLAIMS

Spectracom’s obligation under this warranty is limited to in-

factory service and repair, at Spectracom’s option, of the

product or the component thereof, which is found to be

defective. If in Spectracom’s judgment the defective condition

in a Spectracom product is for a cause listed above for which

Spectracom is not responsible, Spectracom will make the

repairs or replacement of components and charge its then

current price, which buyer agrees to pay.

Spectracom shall not have any warranty obligations if the

procedure for warranty claims is not followed. Users must

notify Spectracom of the claim with full information as to the

claimed defect. Spectracom products shall not be returned

unless a return authorization number is issued by Spectracom.

Spectracom products must be returned with the description of

the claimed defect and identification of the individual to be

contacted if additional information is needed. Spectracom

products must be returned properly packed with transportation

charges prepaid.

Shipping expense: Expenses incurred for shipping

Spectracom products to and from Spectracom (including

international customs fees) shall be paid for by the customer,

with the following exception. For customers located within the

United States, any product repaired by Spectracom under a

“warranty repair” will be shipped back to the customer at

Spectracom’s expense unless special/faster delivery is

requested by customer.

Spectracom highly recommends that prior to returning

equipment for service work, our technical support department

be contacted to provide trouble shooting assistance while the

equipment is still installed. If equipment is returned without

first contacting the support department and “no problems are

found” during the repair work, an evaluation fee may be

charged.

EXCEPT FOR THE LIMITED WARRANTY STATED ABOVE,

SPECTRACOM DISCLAIMS ALL WARRANTIES OF ANY

KIND WITH REGARD TO SPECTRACOM PRODUCTS OR

OTHER MATERIALS PROVIDED BY SPECTRACOM,

INCLUDING WITHOUT LIMITATION ANY IMPLIED

WARRANTY OR MERCHANTABILITY OR FITNESS FOR A

PARTICULAR PURPOSE.

Spectracom shall have no liability or responsibility to the

original customer or any other party with respect to any liability,

loss, or damage caused directly or indirectly by an Spectracom

product, material, or software sold or provided by Spectracom,

replacement parts or units, or services provided, including but

not limited to any interruption of service, excess charges

resulting from malfunctions of hardware or software, loss of

business or anticipatory profits resulting from the use or

operation of the Spectracom product or software, whatsoever

or howsoever caused. In no event shall Spectracom be liable

for any direct, indirect, special or consequential damages

whether the claims are grounded in contract, tort (including

negligence), or strict liability.

EXTENDED WARRANTY COVERAGE

Extended warranties can be purchased for additional periods

beyond the standard five-year warranty. Contact Spectracom

no later than the last year of the standard five-year warranty for

extended coverage.

Spectracom Corporation 8194B, 8195B, 8197B

GPS Ageless Master Oscillator Instruction Manual iii

Table of Contents

GPS AGELESS®MASTER OSCILLATOR....................................................................1

MODEL 8194B, 8195B, 8197B.......................................................................................1

INSTRUCTION MANUAL ...............................................................................................1

1GENERAL INFORMATION...............................................................................1-1

1.1 Introduction......................................................................................................1-1

1.2 Features ...........................................................................................................1-1

1.3 Warranty Information and Product Support..................................................1-3

1.4 Manual Errata and Special Documentation...................................................1-4

1.5 Unpacking........................................................................................................1-4

1.6 Specifications..................................................................................................1-5

1.6.1 Receiver .....................................................................................................1-5

1.6.2 Standard Frequency Outputs .....................................................................1-5

1.6.3 Ovenized Oscillator Frequency Stability.....................................................1-6

1.6.4 Rubidium Oscillator Frequency Stability.....................................................1-7

1.6.5 1PPS Output ..............................................................................................1-7

1.6.6 1544 kHz Timing Outputs...........................................................................1-8

1.6.7 2048 kHz Timing Outputs...........................................................................1-8

1.6.8 Data Clock Timing Outputs.........................................................................1-9

1.6.9 Data Sync Timing Outputs..........................................................................1-9

1.6.10 Indicator Lamps........................................................................................ 1-10

1.6.11 Alarms ......................................................................................................1-10

1.6.12 Communication Ports ...............................................................................1-14

1.6.13 Input Power ..............................................................................................1-14

1.6.14 Mechanical ...............................................................................................1-15

1.6.15 Environmental .......................................................................................... 1-15

1.6.16 Agency Approval ...................................................................................... 1-15

1.6.17 Model 8225 GPS Antenna Specifications................................................. 1-16

2INSTALLATION.................................................................................................2-1

2.1 Introduction......................................................................................................2-1

2.2 Model 8225 GPS Antenna ...............................................................................2-1

2.2.1 Antenna Installation....................................................................................2-1

8194B, 8195B, 8197B Spectracom Corporation

GPS Ageless Master Oscillator Instruction Manualiv

2.3 Antenna Cable .................................................................................................2-2

2.3.1 Cable Lengths ............................................................................................2-3

2.4 Model 8226 Impulse Suppressor....................................................................2-3

2.5 Model 8227 GPS Inline Amplifier....................................................................2-6

2.6 Master Oscillator Preparation for Use ...........................................................2-8

2.6.1 Antenna Connection...................................................................................2-8

2.6.2 AC Power ...................................................................................................2-8

2.6.3 DC Power ................................................................................................... 2-9

2.6.4 Chassis Ground.......................................................................................... 2-9

2.7 Initial Operation.............................................................................................2-10

2.8 Qualifying the Installation.............................................................................2-10

2.8.1 GPS Signal Status....................................................................................2-11

2.8.2 Tracking Histogram ..................................................................................2-12

2.9 Reception Troubleshooting..........................................................................2-13

2.9.1 No Reception............................................................................................ 2-13

2.9.2 Low GPS Quality ......................................................................................2-15

2.10 Default Factory Configuration......................................................................2-15

3OPERATION......................................................................................................3-1

3.1 Introduction......................................................................................................3-1

3.2 Front Panel Functions.....................................................................................3-1

3.2.1 Status Lamps .............................................................................................3-1

3.2.2 Alarm Lamps ..............................................................................................3-1

3.2.3 Battery Lamps (Option 02 only)..................................................................3-4

3.2.4 RS-232 Com............................................................................................... 3-4

3.2.5 10 MHz Output ...........................................................................................3-5

3.2.6 1PPS Output ..............................................................................................3-5

3.3 Rear Panel Functions......................................................................................3-6

3.3.1 GPS Antenna .............................................................................................3-6

3.3.2 Frequency Outputs..................................................................................... 3-6

3.3.3 1544 kHz and 2048 kHz Timing Outputs..................................................3-10

3.3.4 Data Clock Timing Outputs....................................................................... 3-12

3.3.5 Set Up Switches .......................................................................................3-14

3.3.6 RS-485 COM............................................................................................3-15

3.3.7 Data Sync Timing Outputs........................................................................ 3-16

3.3.8 Major Alarm Contacts...............................................................................3-18

3.3.9 Alarm Outputs ..........................................................................................3-18

Spectracom Corporation 8194B, 8195B, 8197B

GPS Ageless Master Oscillator Instruction Manual v

3.3.10 DC Power ................................................................................................. 3-20

3.3.11 AC Power .................................................................................................3-21

3.3.12 Cooling fan ............................................................................................... 3-22

3.3.13 Chassis Ground........................................................................................ 3-22

3.3.14 Battery Disconnect Switch........................................................................3-22

4SOFTWARE COMMANDS................................................................................4-1

4.1 Introduction......................................................................................................4-1

4.2 RS-232 Commands..........................................................................................4-1

4.3 RS-232 Command descriptions......................................................................4-2

4.3.1 Antenna Cable Delay .................................................................................4-3

4.3.2 Alarm Timeouts ..........................................................................................4-4

4.3.3 Battery Status (Option 02 only) ..................................................................4-5

4.3.4 Clear Alarm ................................................................................................4-5

4.3.5 Configuration .............................................................................................. 4-6

4.3.6 Display Alarm Log ......................................................................................4-7

4.3.7 Date............................................................................................................4-8

4.3.8 Display Frequency Measurements .............................................................4-9

4.3.9 Display Oscillator Log.................................................................................4-9

4.3.10 Display Tracking Histogram...................................................................... 4-12

4.3.11 Event Output ............................................................................................4-13

4.3.12 GPS Signal Status....................................................................................4-14

4.3.13 Help..........................................................................................................4-17

4.3.14 Location.................................................................................................... 4-18

4.3.15 Signature Control .....................................................................................4-19

4.3.16 Set Mode..................................................................................................4-19

4.3.17 Status Information ....................................................................................4-20

4.3.18 Time .........................................................................................................4-20

4.3.19 Test Mode ................................................................................................4-21

4.3.20 Time Zone Offset...................................................................................... 4-22

4.3.21 UTC To GPS Time ...................................................................................4-23

4.3.22 Version .....................................................................................................4-23

4.3.23 Frequency Offset...................................................................................... 4-24

4.3.24 1PPS Offset.............................................................................................. 4-26

4.4 RS-485 Command Structure.........................................................................4-27

4.5 RS-485 Command Descriptions...................................................................4-28

4.5.1 Antenna Cable Delay ............................................................................... 4-29

4.5.2 Alarm Event History.................................................................................. 4-29

4.5.3 Alarm Status.............................................................................................4-30

4.5.4 Alarm Timeouts ........................................................................................4-30

4.5.5 Clear Alarm History ..................................................................................4-30

4.5.6 GPS Signal Status....................................................................................4-31

8194B, 8195B, 8197B Spectracom Corporation

GPS Ageless Master Oscillator Instruction Manualvi

4.5.7 Location.................................................................................................... 4-32

4.5.8 Signal Selection........................................................................................ 4-33

4.5.9 Short Status.............................................................................................. 4-33

4.5.10 Time And Date .........................................................................................4-33

4.5.11 Time Zone Offset...................................................................................... 4-34

4.5.12 Who – Model Identification .......................................................................4-34

4.5.13 10MHz Offset ...........................................................................................4-35

4.5.14 1PPS Offset.............................................................................................. 4-36

5OPTIONS AND ACCESSORIES.......................................................................5-1

5.1 Introduction......................................................................................................5-1

5.2 Option 02 - Internal Battery Backup...............................................................5-1

5.2.1 Frequency Lock Recovery.......................................................................... 5-2

5.2.2 Battery Lamps ............................................................................................5-2

5.2.3 Clear Battery Alarm ....................................................................................5-3

5.2.4 Option 02 Specifications............................................................................. 5-3

5.3 Option 03 Built-in Distribution Amplifier.......................................................5-3

5.3.1 System Components ..................................................................................5-4

5.3.2 Design of Distribution Networks .................................................................5-7

5.4 OPTION 06 – 12.8 MHZ outputs......................................................................5-9

5.5 OPTION 07 – 5 MHZ outputs.........................................................................5-10

5.6 OPTION 11 – Rack Mount Slides..................................................................5-10

5.7 OPTION 14 - CTCSS Outputs One and Two ................................................5-12

5.7.1 Data Sync Timing Outputs........................................................................ 5-12

5.7.2 Data Sync Alarm Contacts .......................................................................5-13

5.7.3 RS-485 Timing Signals.............................................................................5-14

5.7.4 RS-232 CTCSS Configuration.................................................................. 5-14

5.7.5 RS-485 CTCSS Configuration.................................................................. 5-16

5.7.6 Model 1118 CTCSS ................................................................................. 5-16

5.8 OPTION 16 – 1PPS Rear Panel Frequency Outputs ...................................5-20

5.9 OPTION 17 – CTCSS Outputs Three and Four............................................5-21

5.10 OPTION SP294 – DS1 Framed All Ones.......................................................5-22

5.11 OPTION SP295 – E1 Framed All Ones .........................................................5-24

6SERVICE INFORMATION.................................................................................6-1

Spectracom Corporation 8194B, 8195B, 8197B

GPS Ageless Master Oscillator Instruction Manual vii

6.1 Introduction......................................................................................................6-1

6.2 Battery Replacement.......................................................................................6-1

6.2.1 Battery Replacement Instructions...............................................................6-1

6.3 OCXO Oscillator Adjustment (8194B and 8195B ONLY)..............................6-3

6.3.1 OCXO Adjustment Procedure (8194B and 8195B ONLY)..........................6-4

A.1 Appendix A...................................................................................................... A-1

A.1 Introduction..................................................................................................... A-1

A.2 GPS qualifying algorithm selection .............................................................. A-2

A.3 GQA Command............................................................................................... A-3

List of Figures

Figure 1-1 Spectracom Ageless Master Oscillator .......................................................1-1

Figure 2-1 Antenna Installation ....................................................................................2-2

Figure 2-2 Model 8226 Impulse Suppressor ................................................................ 2-3

Figure 2-3 Grounding Panel Installation ....................................................................... 2-4

Figure 2-4 N Connector Assembly Instructions ............................................................2-6

Figure 2-5 Model 8227 Inline Amplifier.........................................................................2-6

Figure 2-6 Cable Guidelines......................................................................................... 2-7

Figure 2-7 DC Backup Wiring....................................................................................... 2-8

Figure 2-8 DC Power Connector ..................................................................................2-9

Figure 3-1 Spectracom Master Oscillator Front Panel..................................................3-3

Figure 3-2 RS-232 Com Pin Numbering.......................................................................3-5

Figure 3-3 Spectracom Master Oscillator Model 8195B and 8197B Rear Panel.......... 3-7

Figure 3-4 Spectracom Master Oscillator Model 8194B Rear Panel ............................ 3-8

Figure 3-5 Timing Output Connector..........................................................................3-10

Figure 3-6 RS-485 Output .......................................................................................... 3-11

Figure 3-7 Single-Ended Connection ......................................................................... 3-12

Figure 3-8 Data Clock Connector...............................................................................3-12

Figure 3-9 RS-485 Line Driver ................................................................................... 3-13

Figure 3-10 RS458 COM Connector .......................................................................... 3-15

Figure 3-11 RS-485 Connection................................................................................. 3-16

Figure 3-12 Data Sync Connector..............................................................................3-16

Figure 3-13 Data Sync Drivers ...................................................................................3-18

Figure 3-14 Alarm Outputs Terminal Block ................................................................ 3-19

Figure 3-15 DC Backup Wiring................................................................................... 3-20

Figure 3-16 DC Power Connector ..............................................................................3-21

Figure 3-17 AC Power Module ...................................................................................3-22

Figure 4-1 Command Structure.................................................................................... 4-1

Figure 5-1 Line Tap Number and Distance Chart.........................................................5-8

Figure 5-2 Typical Interconnection Diagram.................................................................5-9

Figure 5-3 Slides Assembly........................................................................................5-11

8194B, 8195B, 8197B Spectracom Corporation

GPS Ageless Master Oscillator Instruction Manualviii

Figure 5-4 Data Sync Connector................................................................................5-12

Figure 5-5 Data Sync Drivers .....................................................................................5-14

Figure 5-6 Data Clock Connector...............................................................................5-21

Figure 5-7 DS1 Framed All Ones Connector.............................................................. 5-22

Figure 5-8 Frame Selection Jumper...........................................................................5-22

Figure 5-9 Programmable Jumper Locations .............................................................5-23

Figure 5-10 E1 Framed All Ones Connector ..............................................................5-24

Figure 5-11 Frame Selection Jumpers ....................................................................... 5-24

Figure 5-12 Programmable Jumper Locations ...........................................................5-25

List of Tables

Table 1-1 Product Comparison Table........................................................................... 1-2

Table 1-2 Ancillary Kits................................................................................................. 1-4

Table 2-1 DC Power Configurations............................................................................. 2-9

Table 2-2 Typical Antenna Cable Resistance Values................................................. 2-13

Table 2-3 Default Setting............................................................................................2-15

Table 3-1 RS-232 Com Pin Assignments.....................................................................3-5

Table 3-2 UHF Simulcast Offsets................................................................................. 3-9

Table 3-3 VHF HI Simulcast Offsets.............................................................................3-9

Table 3-4 Timing Output Pin Assignments ................................................................. 3-11

Table 3-5 Data Clock Pin Assignments...................................................................... 3-12

Table 3-6 Address Selection ......................................................................................3-14

Table 3-7 RS-485 COM Pin Assignments .................................................................. 3-15

Table 3-8 Data Sync Pin Assignments.......................................................................3-17

Table 3-9 Alarm Operation .........................................................................................3-19

Table 3-10 DC Power Configurations.........................................................................3-20

Table 4-1 Alphabetical List of RS-232 Commands....................................................... 4-2

Table 4-2 Common Offset Values ..............................................................................4-22

Table 4-3 UHF Simulcast Offsets SC1 ....................................................................... 4-24

Table 4-4 VHF HI Simulcast Offsets SC2...................................................................4-24

Table 4-5 RS-485 Command Protocol ....................................................................... 4-27

Table 4-6 Alphabetical List of RS-485 Commands..................................................... 4-28

Table 4-7 Common Offset Values ..............................................................................4-34

Table 4-8 UHF Simulcast Offsets............................................................................... 4-35

Table 4-9 VHF Simulcast Offsets ...............................................................................4-36

Table 5-1 Line Tap Loads ............................................................................................5-7

Table 5-2 Option 11 Checklist .................................................................................... 5-10

Table 5-3 Option 14 Data Sync Pin Assignments ...................................................... 5-12

Table 5-4 CTCSS #1 and CTCSS #2 Frequency List................................................. 5-13

Table 5-5 CTCSS Tones List – CTCSS #1 & #2 ........................................................5-15

Table 5-6 CTCSS Standard Frequency Chart............................................................5-17

Table 5-7 Option 17 Data Sync Pin Assignments ...................................................... 5-21

Table 5-8 CTCSS Tones List – CTCSS #3 & #4 ........................................................5-21

Table A-1 Television Stations with GPS Jamming Potential ........................................A-1

Table A-2 FM Radio Frequencies with GPS Jamming Potential ..................................A-1

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