Symmetricom TimeSource 2500 User manual

TimeSource 3100

GPS Primary Reference Source

097-72020-01

Issue 5

2

TimeSource 3100

Symmetricom, Inc.

2300 Orchard Parkway

San Jose, CA 95131-1017

http://www.symmetricom.com

Symmetricom is a registered trademark of Symmetricom, Inc. BesTime, DCD, and TimeSource are

trademarks of Symmetricom, Inc. All other product names, service marks, trademarks, and registered

trademarks used in this document are the property of their respective owners.

Contents

3

Description

Chapter 1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Global Positioning System . . . . . . . . . . . . 15

Physical Description . . . . . . . . . . . . . . . . . . 16

Functional Description . . . . . . . . . . . . . . . 19

Overview . . . . . . . . . . . . . . . . . . . . . . . . 19

Antenna . . . . . . . . . . . . . . . . . . . . . . . . . 21

IF Interface . . . . . . . . . . . . . . . . . . . . . . . 21

Local Oscillator . . . . . . . . . . . . . . . . . . . 21

Clock Extractors . . . . . . . . . . . . . . . . . . 22

Power Supply . . . . . . . . . . . . . . . . . . . . 22

BesTime Ensemble Timing Generator 22

E1 or Analog Outputs . . . . . . . . . . . . . 22

Eight Additional E1 or Analog Outputs

(990-72020-02 Systems Only) . . . 23

TOD Output . . . . . . . . . . . . . . . . . . . . . 23

IRIG-B TOD Outputs

(990-72020-05 Systems Only) . . . 23

1 PPS Output . . . . . . . . . . . . . . . . . . . . 23

10 MHz Output . . . . . . . . . . . . . . . . . . 24

Two ESCIU Ports

(990-72020-04 Systems Only) . . . 24

Alarm Interface . . . . . . . . . . . . . . . . . . . 25

Communication Ports . . . . . . . . . . . . . 25

Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . 25

4

TimeSource 3100

Engineering &

Ordering

Chapter 2

Antenna Guidelines . . . . . . . . . . . . . . . . . 28

Antenna Location Guidelines . . . . . . 29

Earth Ground Location Guidelines . . 32

Antenna Cable Choices . . . . . . . . . . . 33

IRIG-B TOD (990-72020-05 System

Only) . . . . . . . . . . . . . . . . . . . . . . . . 34

RJ-422–to–RS-232 TOD Converter . 34

Shelf Considerations . . . . . . . . . . . . . . . . 35

Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Standard System (Two E1 or

2.048 MHz Outputs) . . . . . . . . . . . 36

With Eight Additional E1 or

2.048 MHz Outputs . . . . . . . . . . . 37

With Two E1 Synchronization

Insertion (ESCIU) Ports . . . . . . . . 38

With Four IRIG-B TOD Outputs . . . 39

Antenna . . . . . . . . . . . . . . . . . . . . . . . . 39

User-Supplied Tools and Materials . . . . . 40

For Antenna Installation . . . . . . . . . . . 40

For Shelf Installation . . . . . . . . . . . . . . 41

Outputs, Power, and Miscellaneous . 41

Contents

5

Installation

Chapter 3

Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Output Module Installation . . . . . . . . . 51

Rack Mounting . . . . . . . . . . . . . . . . . . . 53

Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Frame Ground . . . . . . . . . . . . . . . . . 57

Power . . . . . . . . . . . . . . . . . . . . . . . . 58

GPS Antenna . . . . . . . . . . . . . . . . . . 59

10 MHz Output . . . . . . . . . . . . . . . 59

E1 or Analog Synchronization

Outputs . . . . . . . . . . . . . . . . . . . . . . 60

Expansion Bus . . . . . . . . . . . . . . . . . 61

1 PPS Output . . . . . . . . . . . . . . . . . 61

E1 or Analog Reference Inputs . . . 62

Remote Oscillator Inputs . . . . . . . . 63

Module for Additional E1 or

Analog Outputs . . . . . . . . . . . . . . . . 64

Module for IRIG-B TOD Outputs . 65

Module for ESCIU Ports . . . . . . . . 66

Time of Day Output . . . . . . . . . . . . 71

Ethernet . . . . . . . . . . . . . . . . . . . . . . 72

Communication Port 1 . . . . . . . . . 73

Communication Port 2 . . . . . . . . . 74

Alarms Output . . . . . . . . . . . . . . . . 75

Craft Port . . . . . . . . . . . . . . . . . . . . . 76

Power-Up . . . . . . . . . . . . . . . . . . . . . . . . . . 77

6

TimeSource 3100

TL1 Reference

Chapter 4

Conventions . . . . . . . . . . . . . . . . . . . . . . . 90

Command Format . . . . . . . . . . . . . . . . . . 92

Response Format . . . . . . . . . . . . . . . . . . . 93

Parameters . . . . . . . . . . . . . . . . . . . . . . . . 95

Autonomous Messages . . . . . . . . . . . . . . 99

Report Alarm . . . . . . . . . . . . . . . . . . . 100

Report Event . . . . . . . . . . . . . . . . . . . . 101

Factory-Set Values . . . . . . . . . . . . . . . . . . 102

Tasks/Commands . . . . . . . . . . . . . . . . . . . 105

Commands . . . . . . . . . . . . . . . . . . . . . . . . 107

Activate User . . . . . . . . . . . . . . . . . . . . 108

Cancel User . . . . . . . . . . . . . . . . . . . . . 109

Copy Memory . . . . . . . . . . . . . . . . . . . 110

Delete Equipment . . . . . . . . . . . . . . . . 113

Delete User Security . . . . . . . . . . . . . 114

Edit Communication . . . . . . . . . . . . . . 115

Edit Date . . . . . . . . . . . . . . . . . . . . . . . 119

Edit Equipment . . . . . . . . . . . . . . . . . . 121

Enter Equipment . . . . . . . . . . . . . . . . . 128

Enter User Security . . . . . . . . . . . . . . . 130

Initialize Register . . . . . . . . . . . . . . . . . 131

Initialize System . . . . . . . . . . . . . . . . . . 132

Contents

7

Operate Alarm Cutoff All . . . . . . . . . 133

Retrieve Alarm All . . . . . . . . . . . . . . . 134

Retrieve Alarm Equipment . . . . . . . . 135

Retrieve Communication . . . . . . . . . . 137

Retrieve Condition All . . . . . . . . . . . . 141

Retrieve Condition Equipment . . . . . 142

Retrieve Equipment . . . . . . . . . . . . . . 144

Retrieve GPS Status . . . . . . . . . . . . . . 151

Retrieve Inventory . . . . . . . . . . . . . . . 153

Retrieve Performance Monitoring . . . 155

Retrieve User Security . . . . . . . . . . . . 171

Set Source Identifier . . . . . . . . . . . . . . 172

Troubleshooting

Chapter 5

Troubleshooting with Front Panel Items 174

Troubleshooting with Error Messages . . 180

Card Replacement . . . . . . . . . . . . . . . . . . 188

Repair and Return . . . . . . . . . . . . . . . . . . 190

Technical Assistance . . . . . . . . . . . . . . . . . 192

Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Manual Updates . . . . . . . . . . . . . . . . . . . . 194

8

TimeSource 3100

Specifications

Chapter 6

Antenna . . . . . . . . . . . . . . . . . . . . . . . . 196

Communication Ports . . . . . . . . . . . . 197

Port 1 . . . . . . . . . . . . . . . . . . . . . . . 197

Port 2 . . . . . . . . . . . . . . . . . . . . . . . 198

Craft Port . . . . . . . . . . . . . . . . . . . . 199

Ethernet Port . . . . . . . . . . . . . . . . . . . . 200

Time of Day Outputs . . . . . . . . . . . . . 201

Network Time Protocol (NTP),

Type 4, Format 2 Driver Format 201

Cisco Systems Format . . . . . . . . . . 202

IRIG-B TOD Outputs

(990-72020-05 System Only) . 203

Remote Oscillator Inputs . . . . . . . . . . 204

E1 Inputs . . . . . . . . . . . . . . . . . . . . . . . 205

Analog 2.048 MHz Inputs . . . . . . . . . 206

1 PPS Output . . . . . . . . . . . . . . . . . . . 207

E1 Outputs . . . . . . . . . . . . . . . . . . . . . 208

Standard . . . . . . . . . . . . . . . . . . . . . 208

Additional E1 Outputs

(990-72020-02 System Only) . 210

Analog 2.048 MHz Outputs . . . . . . . 212

Standard . . . . . . . . . . . . . . . . . . . . . 212

10 MHz Output . . . . . . . . . . . . . . . . . 214

ESCIU Ports

(990-72020-04 System Only) . . . 215

Contents

9

Office Alarms . . . . . . . . . . . . . . . . . . . . 216

Connector Panel Contacts . . . . . . 216

Front Panel Lamps . . . . . . . . . . . . . 216

Front Panel Control . . . . . . . . . . . . 217

Power . . . . . . . . . . . . . . . . . . . . . . . . . . 217

Shelf Mechanical . . . . . . . . . . . . . . . . . 218

Shelf Environmental . . . . . . . . . . . . . . 218

10

TimeSource 3100

Acronyms and Abbreviations

pps pulse per second

PRS primary reference source

UTC Universal Coordinated Time

Contents

11

FCC Regulatory Notice

Warning: This equipment generates, uses, and can radiate radio

frequency energy, and if not used in accordance with the instruction

manual, may cause interference to radio communications. It has

been tested and found to comply with the limits for a Class A

computing device pursuant to Subpart B of Part 15 of FCC rules,

which are designed to provide reasonable protection against such

interference when operated in a commercial environment. Operation

of this equipment in a residential area is likely to cause interference

in which case the user at his own expense will be required to take

whatever measures may be required to correct the interference.

12

TimeSource 3100

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1

Chapter

Description

This chapter provides an overview of the

global positioning system, and a physical

and functional description.

Chapter

14

TimeSource 3100

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Overview

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1

Description

15

2

4

5

3

SSSSSSSSSSSS SSSSSSSSSS SSSSSSS

Global Positioning System

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!(%

!)*$

2)45&

6!%*!$

'!2) $

* 

)%%%$

 &%%$

&!

!

$7%!

$

16

TimeSource 3100

SSSSSSSSSSSS SSSSSSSSSS SSSSSSS

Physical Description

(

!%%$.

'%'

&'#3"33(8

./$

9 !*+&'3

:$:&$.

$

1

Description

17

2

4

5

3

SSSSSSSSSSSS SSSSS SSSSS SSSSSSS

Figure 1. Shelf

990-72020-01, -02, -05 Systems

990-72020-04 Systems

18

TimeSource 3100

SSSSSSSSSSSS SSSSSSSSSS SSSSSSS

9 )%(

$72

!%!%

$

Figure 2. Antenna

31.43 cm

4.45

cm

1

Description

19

2

4

5

3

SSSSSSSSSSSS SSSSS SSSSS SSSSSSS

Functional Description

Overview

9 %$

8'!

%8 

;

$'



!7$

8!

%

!$!

!%

$%

$'

!!00$

!!$

Table A. Timing Source Characteristics

Source Characteristic

Local Oscillator Short term stability

E1 Line Intermediate term stability

External Oscillator Intermediate term stability

GPS Signal Long term stability

20

TimeSource 3100

SSSSSSSSSSSS SSSSSSSSSS SSSSSSS

Figure 3. Block Diagram

Status lamps

BesTime

Ensemble

Timing

Generator

Antenna

input

E1/analog output A

Alarms

–48 V A

Power to

shelf

E1/analog

span input #1

Clock

Extractor

10 MHz output

Power

Supply

Clock input & dc

power to antenna

Clock

Extractor

Clock

Extractor

E1/analog

span input #2

Remote

oscillator

input #1

Remote

Oscillator

Input #2

E1/analog output B

1 pps output

Optional sources

–48 V B

Local

Oscillator

8 E1/analog

outputs

IF

Interface

Clock

Extractor

COM ports

4 IRIG-B TOD

outputs

TOD output

Optional ports

2 ESCIU ports

Ethernet port

Micro-

processor

Alarm

Interface

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Symmetricom TimeSource 2500 User manual

Symmetricom TimeSource 2500 User manual

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