Symmetricom bc635PCI-V2, bc637PCI-V2-OCXO, bc637PCIe, bc635PCI-V2-OCXO, bc635PCIe-OCXO User Manual

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PCI / PCIe

Time and Frequency Processor

User’s Guide

Products Included:

PCI

bc635PCI-V2

bc637PCI-V2

bc635PCI-V2-OCXO

bc637PCI-V2-OCXO

PCIe

bc635PCIe

bc637PCIe

bc635PCIe-OCXO

bc637PCIe-OCXO

Product CD, 098-00179-000

November 2, 2009

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Revision A

Symmetricom Customer Assistance

Symmetricom's Customer Assistance Centers are a centralized resource to handle all of your customer needs.

Customer Assistance Center Telephone Numbers:

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

n USA, Canada, Latin America including Caribbean, Pacific Rim including Asia, Australia and New

Zealand: 1-408-428-7907

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

n Europe, Middle East & Africa: 49 700 32886435

Technical Support can be obtained either through the Online Support area of our website:

(http://www.symmetricom.com/support/online-support/ttm-product-support/), or by calling one of the above Customer Assistance Center numbers.

When calling the worldwide or USA-based number, select Option 1 at the first prompt. Telecom Solutions Division customers should then select Option 1; Timing, Test and Measurement Division customers should then select Option 2.

Technical Support personnel are available by phone:

n Between 7 a.m. to 5 p.m. Pacific Time, weekdays through the Main Customer Assistance Center

number 1-408-428-7907.

n Between 8 a.m. to 5 p.m. Central European Time weekdays at the Europe, Middle East and

Africa number 49 700 32886435.

n After hours support for emergencies only is handled through the worldwide (main) number 1-408-

428-7907.

Customers who have purchased Technical Support Contracts may e-mail support requests to:

n support@symmetricom.com (Americas, Asia, Pacific Rim)

n emeasupport@symmetricom.com (Europe, Middle East, Africa)

Due to continued product development this information may change without notice. If you find any errors in the documentation, please report them to us in writing. Symmetricom, Inc. does not warrant that this document is error-free.

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Intellectual Property

The software contains proprietary information of Symmetricom, Inc.; it is provided under a license agreement containing restrictions on use and disclosure and is also protected by copyright law. Reverse engineering of the software is prohibited.

Limited Product Warranty

Hardware and embedded software - For a period of one (1) year from date of shipment by Symmetricom, Symmetricom warrants that all Products shall be free from defects in design, material, and workmanship; shall conform to and perform in accordance with Symmetricom's published specifications, if any; shall be free and clear of any liens and encumbrances; and shall have good and valid title. This warranty will survive inspection, acceptance, and payment by Buyer. Symmetricom does not warrant that the operation of such Products will be uninterrupted or error free. This warranty does not cover failures caused by acts of God, electrical or environmental conditions; abuse, negligence, accident, loss or damage in transit; or improper site preparation.

This warranty shall be null and void in the event (i) Buyer or any third party attempts repair of the goods without Symmetricom's advance written authorization, or (ii) defects are the result of improper or inadequate maintenance by Buyer or third party; (iii) of damage to said goods by Buyer or third party-supplied software, interfacing or supplies; (iv) of improper use (including termination of non-certified third party equipment on Symmetricom's proprietary interfaces and operation outside of the product's specifications) by Buyer or third party; or (v) the goods are shipped to any country other than that originally specified in the Buyer's purchase order.

Goods not meeting the foregoing warranty will be repaired or replaced, at Symmetricom's option, upon return to Symmetricom's factory freight prepaid; provided, however that Buyer has first obtained a return materials authorization number ("RMA Number") from Symmetricom authorizing such return. The RMA Number shall be placed on the exterior packaging of all returns. Symmetricom will pay shipping costs to return repaired or replacement goods to Buyer.

Symmetricom reserves the right to disallow a warranty claim following an inspection of returned product. When a warranty claim is questioned or disallowed, Symmetricom will contact Buyer by telephone or in writing to resolve the problem.

Software - Symmetricom warrants that for a period of ninety (90) days from date of shipment by Symmetricom the accompanying media will be free from defects in materials and workmanship under normal use. The physical media warranty does not apply to defects arising from misuse, theft, vandalism, fire, water, acts of God or other similar perils. Symmetricom will not be liable for any damages caused by the Buyer's failure to fulfill its responsibilities as stated above.

THE FOREGOING WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE HOWSOEVER ARISING.

Limitation of Liability - The remedies provided herein are the Buyer's sole and exclusive remedies. In no event or circumstances will Symmetricom be liable to Buyer for indirect, special, incidental or consequential damages, including without limitation, loss of revenues or profits, business interruption costs, loss of data or software restoration, or damages relating to Buyer's procurement of substitute products or services. Except for liability for personal injury or property damage arising from Symmetricom's negligence or willful misconduct, in no event will Symmetricom's total cumulative liability in connection with any order hereunder or Symmetricom's Goods, from all causes of action of any

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kind, including tort, contract, negligence, strict liability and breach of warranty, exceed the total amount paid by Buyer hereunder. SOME JURISDICTIONS DO NOT ALLOW CERTAIN LIMITATIONS OR EXCLUSIONS OF LIABILITY, SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO ALL BUYERS.

Contact Information

Symmetricom, Inc. Timing, Test & Measurement 3750 Westwind Blvd. Santa Rosa, CA 95403 Main: +1 (707) 528-1230

For Sales, Technical Support, and Return Materials Authorization, please see

"Symmetricom Customer Assistance" on page ii.

Conventions

The conventions used in this manual are:

Note:Tips and clarifications

Warning:Actions to prevent equipment damage.

Bold:Used to show messages, menu items, etc., that appear on a computer screen. For example, click on Submit Changes.

Text:Used to indicate text you should enter with your keyboard, exactly as printed.

Errata

Errata are available on the CD ROM supplied with the equipment. The errata file name is “Errata.pdf”.

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Table of Contents

Symmetricom Customer Assistance ii

Intellectual Property iii

Limited Product Warranty iii

Contact Information iv

Conventions iv

Errata iv

1. PCI/PCIe TFP Hardware 1

1.1. Introduction 1

1.1.1. General Information 1

1.1.2. Key Features 4

1.1.4. Specifications and Settings 5

Time Code Inputs 5

Time Code Outputs 5

PCIe Bus Characteristics 6

PCI Bus Characteristics 6

Inputs 6

Outputs 7

bc635PCI-V2 and bc637PCI-V2 Jumpers 7

bc635PCIe and bc637PCIe Jumpers 7

Environmental Specifications 8

Front Panel LED 8

GPS Antenna 8

1.2. Installation 10

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1.2.1. General 10

1.2.2. Installing the Card and Antenna 11

Installing the Card 11

Changing the TFP Card Front Panel 11

Procedure for Changing the TFP Card Front Panel 11

Antenna Location and Installation (bc637PCI-V2 and bc637PCIe) 12

Quick Initial Setup 12

Permanent Antenna Installation 13

1.2.3. bc637PCI/PCIe Additional Hardware 14

1.2.4. Minimum System Requirements 14

1.2.5. Installation Under Windows 14

1.2.6. Windows Software Development Kit 14

1.2.7. Linux Software Development Kit 15

1.2.8. Solaris Software Development Kit 16

1.2.9. Installation Under Other Operating Systems 16

1.3. Functional Description 16

1.3.1. General 16

Mode 0 (Time Code Mode) 17

Mode 1 (Free Running Mode) 17

Mode 2 (External 1 PPS Mode) 17

Mode 3 (RTC) 17

Mode 6 (GPS) - bc637PCI-V2 and bc637PCIe 17

Time Capture Registers 18

1.3.2. Heartbeat Output 18

1.3.3. DDS Output 19

Continuous mode 19

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Fractional mode 19

Divider Source 19

Divider Mode 20

Multiplier Mode 20

1.3.4. Time Coincidence Strobe Output 21

1.3.5. PCI(e) Interrupts 21

1.3.6. Additional Timing Output Signals 21

1.3.7. AM Time Code Calibration 21

1.3.8. Calibration Procedure 22

1.3.9. Field Upgrade of Embedded Program 23

1.4. Device Registers 26

1.4.1. General 26

1.4.2. PCI Memory Map 26

1.4.3. Device Register Description 26

TFP Device Register Summary 27

TIMEREQ Register (0x00) 27

EVENTREQ Register (0x04) 27

UNLOCK1 Register (0x08) 28

UNLOCK2 Register (0x0C) 28

CONTROL Register (0x10) 28

CONTROL Register 29

ACK Register (0x14) 30

MASK Register (0x18) 31

INTSTAT Register (0x1C) 31

INTSTAT Register 31

MINSTRB (0x20) – MAJSTRB (0x24) Registers 31

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EVENT2_0 (0x28) – EVENT2_1 (0x2C) Registers 32

TIME0 (0x30) - TIME1 (0x34) Registers 32

EVENT0 (0x38) - EVENT1 (0x3C) Registers 32

UNLOCK3 Register (0x44) 32

EVENT3_0 (0x48) – EVENT3_1 (0x4C) Registers 32

1.4.4. TIME FORMAT 32

STATUS BITS 34

Status Bits Summary 35

STATUS: Tracking (Bit 24) 35

STATUS: Phase (Bit 25) 35

STATUS: Frequency Offset (Bit 26) 35

1.5. Dual-Port RAM Interface 35

1.5.1. General 36

Input Area 36

Output Area 36

GPS Area 36

Year Area 36

DPRAM Address and Contents 36

1.5.2. ACK Register 36

ACK Bit 0 37

ACK Bit 2 37

ACK Bit 7 37

1.5.3. TFP DPRAM Commands 37

DPRAM Command Summary 40

Command 0x10: Set TFP Timing Mode 41

Command 0x11: Set Time Register Format 41

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Command 0x12: Set Major Time 42

Command 0x13: Set Year 42

Command 0x14: Set Periodic Output 43

Command 0x15: Set Input Time Code Format 43

Command 0x16: Set Input Time Code Modulation Type 44

Command 0x17: Set Propagation Delay Compensation 44

Command 0x18: Request UTC Time Data (bc637 only) 45

Command 0x19: Request TFP Data 45

Command 0x1A: Software Reset 46

Command 0x1B: Set Time Code Output Format 46

Command 0x1C: Set Generator Time Offset 48

Command 0x1D: Set Local Time Offset 49

Command 0x1E: Program Leap Second Event 49

Command 0x1F: Request Firmware Information 49

Command 0x20: Select Clock Source 50

Command 0x21: Control Jamsync 50

Command 0x22: Force Jamsync 50

Command 0x24: Load DAC 51

Command 0x25: Set Disciplining Gain 51

Command 0x26: Request Battery Connection Status 51

Command 0x27: Synchronize RTC to External Time Data 52

Command 0x28: RTC Battery Connection Control 52

Command 0x30: Send Packet to GPS Receiver (bc637 only) 52

Command 0x31: Request Packet from GPS Receiver (bc637 only) 52

Command 0x32: Manually Request Packet from GPS Receiver (bc637 only) 52

Command 0x33: Set GPS Time Format (bc637 only) 52

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Command 0x40: Observe Local Time Flag 53

Command 0x41: IEEE 1344 Daylight Saving and Local Time Flags 53

Command 0x43: Select Periodic or DDS Output 54

Command 0x44: Periodic or DDS Output Enable 54

Command 0x45: DDS Divide Select 54

Command 0x46: DDS Divide Source 55

Command 0x47: DDS Synchronization Mode Select 55

Command 0x48: DDS Multiplier Value 56

Command 0x49: DDS Period Value 56

Command 0x4A: DDS Tuning Word 56

Command 0x4F: PCI Firmware Part Number (request only) 57

Command 0xF6: TFP Model Identification (request only) 57

Command 0xFE: TFP Serial Number (request only) 58

1.6. Inputs and Outputs 58

1.6.1. TFP I/O ConnectorSignals 58

1.6.2. bc635PCIe and bc637PCIe Accessories 59

Signal Breakout Kit 59

Breakout Cables 61

Timing Input/Output Breakout cable and Patch Panel BNC Map 63

1.7. GPS Receiver Interface 63

1.7.1. General 63

1.7.2. GPS Timing Mode (Mode 6) Characteristics 64

1.7.3. Communicating With the GPS Receiver 64

Sending GPS Data Packets to the GPS Receiver 64

Receiving GPS Data Packets from the GPS Receiver 65

Retrieve Packet from GPS Receiver (Command 0x31) 65

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Manually Request Packet from GPS Receiver (Command 0x32) 67

1.7.4. Position Fix Modes 68

Position Fix Mode 0 68

Position Fix Mode 1 68

Position Fix Mode 3 and 4 68

1.8.5. GPS Default Parameters 68

Set Operating Parameters (GPS packet 0x2C) 69

Set High-8 / High-6 Mode (GPS packet 0x75) 69

Set I/O Options (GPS packet 0x35) 69

1.9. Legacy and New Generation Cards 69

1.9.1. PCI Bar Mapping 70

1.9.2. Differences Between Versions -U and New Generation Cards 70

2. Windows Application Programs 72

2.1. bc635PCIcfg.exe Windows Application Program 72

2.1.1. General 72

2.1.2. Quickstart Guide to Operating bc635PCIcfg.exe 72

2.1.3. bc637PCIcfg Program Menu Interface 74

File Menu 74

Time Menu 75

Time Code Menu 78

Signals Menu 79

Hardware Menu 81

Special Menu 82

PCI Menu 85

Help Menu 86

2.2. bc637PCIcfg.exe Windows Application Program 87

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2.2.1. General 87

2.2.2. Quickstart Guide to Operating bc637PCIcfg.exe 87

2.2.3. bc637PCIcfg.exe Program Menu Interface 88

File Menu 88

Time Menu 90

Status Menu 91

Mode Menu 91

Position Menu 92

Options Menu 92

Request Menu 93

Send Menu 94

Reset Menu 95

Help Menu 96

2.3. Traytime Windows Application Program 97

2.3.1. Installation 97

2.3.2. Functionality 97

2.3.3. TrayTime Dialog Windows 98

Main Window 98

TrayTime Setup - Status Window 99

TrayTime Setup - Configuration Window 100

3. Windows SDK 101

3.1. Introduction 101

3.1.1. General 101

3.1.2. Features 101

3.1.3. Overview 101

3.2. Release Notes 102

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Driver 102

Installation 102

Driver Packages 103

64-Bit Applications 103

DLL File 103

Software Developers Kit 103

TrayTime.exe 103

API Calling Convention 104

NoSync Read Time Functions 104

3.3. Installation 104

Hardware and driver installation 104

Software developer's kit installation 104

Configuration 105

Test installation 105

Project creation 105

Microsoft Visual C++ 6.0 105

Microsoft Visual Studio 2008 106

3.4. Library definitions 106

General 106

Windows SDK Command Finder 107

Functions 109

4. Linux SDK 139

4.1. Introduction 139

4.1.1. General 139

4.1.2. Features 139

4.1.3. Overview 139

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4.2. Installation 140

4.2.1. Hardware installation 140

4.2.2. Software installation 140

4.2.3. Linux kernel versions supported 142

4.2.4. Test Installation 142

4.2.5. Using the bc63xPCIcfg.exe program 143

Select Operational Mode 144

Request Time Settings 145

Select Timecode Decoding Format 146

Request Timecode Settings 146

Select Timecode Output Format 147

Select the Time Register Format 148

Read Current Time 149

Set Current Time 150

Set Current Year 150

Request Model Information 152

DDS Frequency and New Time Codes 152

Compatibility with Old bc635PCI or bc637PCI Card 155

Uninstall Instructions 155

4.3. Library Definitions 155

4.3.1. General 155

4.3.2. Functions 156

4.4. Programming Examples 186

4.4.1. General 186

4.4.2. Starting and Stopping the Device 186

4.4.3. Reading Time On Demand 187

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Reading in Binary Time Format 187

Reading in Decimal Time Format 188

3.4.4. Setting theTFP Mode 188

4.4.5. Setting Interrupts 188

5. Solaris SDK 191

5.1. Introduction 191

5.1.1. General 191

5.1.2. Features 191

5.1.3. Overview 191

5.2. Installation 191

5.2.1. Hardware Installation 191

5.2.2. Software Installation 192

5.2.3. Test Installation 196

5.2.4. Driver Compilation 197

5.3. Driver Function Definitions 199

5.3.1. General 199

5.3.2. Functions 199

5.4. Example Program 207

5.4.1. General 207

5.4.2. Program Functions 208

4.4.3. Example 1: GPS Packet 46 - Health Packet Sample 217

4.4.4. Example 2: 1PPS Interrupt Sample 217

Glossary 219

Index 222

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1. PCI/PCIe TFP Hardware

1.1. Introduction

1.1.1. General Information

The Symmetricom model bc635PCI-V2, bc637PCI-V2, bc635PCIe, and bc637PCIe Time and Frequency Processors (TFP) are high performance plug-in cards used for precise time synchronization of the host computer over the PCI or PCIe bus.

Note that these Time and Frequency Processors will be referred as “TFP” or “TFPs” for the remainder of the document.

The PCI TFP cards operate at 33 MHz and are compatible with PCI Local Bus Specification Revision

2.3. The PCI products support both the 3.3V and 5V signaling environments defined by the PCI Local Bus Specification. They are considered Universal add-in cards that are capable of detecting the signaling environment and adapting themselves to that environment.

The PCIe TFP cards offer similar features to the PCI cards. The PCIe cards use a single lane and support full 2.5 Gbps in either direction.

The TFP products may be used in either Generator mode or Synchronized Generator mode, supplying precise time (100's nanoseconds through thousands of years) to the host computer. When the card is operating as a Synchronized Generator, the output signals are synchronized to the timing reference. The card phase locks to the timing reference and controls the on-board oscillator to remove frequency errors. If the timing reference is lost, the card continues to increment time and output timing signals based upon the card's 10 MHz oscillator frequency (flywheeling).

There are eight separate TFP products supported by this manual:

Model Description

1 bc635PCI-V2 PCI Time & Frequency Processor with TCXO 2 bc637PCI-V2 GPS Synchronized, PCI Time & Frequency Processor with TCXO 3 bc635PCI-V2-OCXO PCI Time & Frequency Processor with OCXO 4 bc637PCI-V2-OCXO GPS Synchronized, PCI Time & Frequency Processor with OCXO 5 bc635PCIe PCI Express Time & Frequency Processor with TCXO 6 bc637PCIe GPSSynchronized, PCI Express Time & Frequency Processor with TCXO 7 bc635PCIe-OCXO PCI Express Time & Frequency Processor with OCXO 8 bc637PCIe-OCXO GPSSynchronized, PCI Express Time & Frequency Processor with OCXO

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1. PCI/PCIe TFP Hardware

Images of bc635PCI-V2 and bc635PCIe follow

Figure 1-1: Model bc635PCI-V2 Time and Frequency Processor

GPS Antenna

A: SMB Antenna Connector

B: J1 Module I/O 15 pin D-sub connector

Figure 1-2: Model bc637PCI-V2 (GPS option shown with GPS antenna)

All sections of this manual are applicable to all boards except where noted.

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Images of bc635PCI-V2 and bc635PCIe follow::

1.1. Introduction

Figure 1-3: Model bc635PCIe Time and Frequency Processor

GPS Antenna

P/N 142-614-50

A: SMB Antenna Connector

B: J1 Module I/O 15 pin D-sub connector

Figure 1-4: Model bc637PCIe (GPS option shown with GPS antenna)

All sections of this manual are applicable to all boards except where noted.

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1. PCI/PCIe TFP Hardware

1.1.2. Key Features

n All modes of operation are supplemented by flywheel operation. If the synchronization source is

lost, the TFP will continue to function at the last known reference rate. The following operational modes are supported, and are distinguished by the reference source.

Mode Source of Synchronization

0 Time Code - IRIG A, B, G, E, IEEE 1344, NASA 36, XR3 & 2137 1 Free Running (Generator Mode) - 10 MHz Selected Reference (Internal or External) 2 1 PPS - External One Pulse Per Second Input 3 RTC-Uses battery backed on-board real time clock I.C. 4-5 Reserved 6 GPS (bc637) - GPS Antenna/Receiver

n Time may be captured in four independent sets of time capture registers. The default time format

is provided in binary form (UNIX seconds through 100 nanoseconds). The TFP Device Register Summary and register formats are outlined in "TFP Device Register Summary" on page 27.

n In synchronized generator mode, the TFP uses the selected reference source to discipline either

the standard on-board TCXO (Temperature Compensated Crystal Oscillator), optional on-board OCXO (Oven Controlled Crystal Oscillator) or external 10 MHz oscillator. The 10 MHz oscillator drives all timing functions and outputs on the card. 10 MPPS and 1 PPS signals derived from the 10 MHz oscillator are provided as outputs, among others. The advantage of the OCXO is better holdover (should the synchronization source be lost).

n The TFP generates IRIG A, B, G, E, IEEE 1344, NASA 36, XR3 and 137 time codes. Amplitude

modulated and DC level shift formats are produced simultaneously.

n A Programmable Periodic (also known as Heartbeat) output is provided. The output frequency is

programmable and may be synchronized to the TFP 1 PPS signal. The Periodic output programming is discussed in"1.3.2. Heartbeat Output" on page 18. This signal may be internally connected to the Event Input to capture the time associated with the Programmable Periodic edge. The Event Input may be configured via the CONTROL Register as described in "CONTROL Register (0x10)" on page 28. Note that the Periodic square wave output and the DDS square wave output share the same output driver where either signal may be selected for output on J1 pin 15.

n A DDS (also known as frequency synthesizer) output may be selected in place of the periodic

rate generator's output. The DDS offers a much wider frequency range than the Programmable Periodic. The DDS is discussed in more detail in "1.3.3. DDS Output" on page 19. Note that the DDS and the Programmable Periodic signals are capable of generating interrupts. Caution should be taken when using either of these sources with a rate that exceeds the computer's ability to service the interrupts.

n A Time Coincidence Strobe output is provided. The Strobe is programmable from days through

microseconds. The strobe also has an each second mode (referred to in this manual as Minor

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1.1. Introduction

n One set of time capture registers is used for event time capture. Time is captured on the rising or

falling edge (user programmable) of the Event Input signal provided to the TFP via the J1 I/O connector or from the Programmable Periodic Output signal. The Event Input configuration is manipulated via the CONTROL Register as described in "CONTROL Register (0x10)" on page 28.

n Two sets of event capture registers are available from dual-purposed input pins. J1 pin 10 may be

used as the DCLS Time Code Input or as the Event2 input. J1 pin 14 may be used as the External 1PPS Input or as the Event3 input.

n Seven maskable interrupt sources are supported. All interrupt sources may be polled. Interrupts

are discussed in more detail in "MASK Register (0x18)" on page 31.

Note: The bc635PCI-V2 and bc637PCI-V2 do not provide interrupts at system start-up and therefore do not support the PCI Local Bus Specification Revision 2.3 feature of software disable of interrupts at start-up.

1.1.4. Specifications and Settings

Time Code Inputs

Formats IRIG A, B, G, E, IEEE 13441, NASA 36, XR3 and 2137 (AM/DCLS) Carrier Range ± 5 PPM Time Accuracy

< 5 μsec. (AM with carrier frequencies 1 kHz or greater)

< 1 μsec. (DCLS) AM Modulation Ratio 2:1 to 4:1 AM Input Amplitude 1 to 8 Vp-p AM Input Impedance 5 kΩ, AC Coupled DCLS Input 5V HCMOS, >2V high, <0.8V low

IEEE 1344 compliance - The translator processes the 27 control function bits of IRIG B time code

as set forth in IEEE 1344.

May require a calibration to attain this accuracy. See "1.3.7. AM Time Code Calibration" on page 21.

Time Code Outputs

Formats IRIG A, B, G, E, IEEE 1344, NASA 36, XR3 & 2137 (Modulated/DCLS) Modulation Ratio 3:1 ± 10% Output Amplitude 3V p-p ±10% (fixed) into 50 Ω DC Level Shift 5V HCMOS, >2V high, < 0.8V low into 50 Ω

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1. PCI/PCIe TFP Hardware

PCIe Bus Characteristics

Specifications Single Lane, 2.5 Gbps each direction Size Single-Width 6.6” x 2.7” (Low Profile) Interrupts Auto Configurable Power (bc635PCIe) +3.3V @ 400 mA, +12V @ 250 mA Power (bc637PCIe) +3.3V @ 400 mA, +12V @ 300 mA

+3.3V @ 400 mA, +12V @ 350 mA, (0.5 A @ start up)

Power (bc635PCIe-OCXO)

+3.3V @ 400 mA, +12V @ 400 mA, (0.6 A @ start up)

Power (bc637PCIe-OCXO)

PCI Bus Characteristics

Specifications PCI local bus™ 2.2 compliant, 2.3 compatible, PCI-X compatible Size 4.2” x 6.875” (Full Height) Interrupts Automatically Assigned (PnP) Power (bc635PCI-V2) +5V @ 700 mA, +12V @ 50 mA Power (bc637PCI-V2) +5V @ 800 mA, +12V @ 50 mA

+5V @ 800 mA, (1.1 A @ start up), +12V @ 50 mA

Power (bc635PCI-V2-OCXO)

Power (bc637PCI-V2-OCXO) +5V @ 900 mA, (1.2 A @ start up), +12V @ 50 mA

Inputs

5V HCMOS,>2V high, < 0.8V, zero latency,

Event Inputs (1,2,3)

Rising or Falling Edge Triggered, 20 nS min. width, 250 nS min. period 5V HCMOS, >2V high, < 0.8V low

External 1 PPS

Rising Edge On Time, 20 nS minimum width

External 10 MHz Digital 40% to 60% Duty Cycle (or) Sine wave, 0.5 to 8Vp-p, >10k Ω

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Outputs

1.1. Introduction

1 PPS

Periodic

DDS

5V HCMOS, >2V high, < 0.8V low into 50 Ω , Rising Edge On Time, 60 μS Positive pulse

5V HCMOS, >2V high, < 0.8V low into 50 Ω , Rising Edge On Time (selectable on time control), <1 Hz to 250 kHz, square wave

5V HCMOS, >2V high, < 0.8V low into 50 Ω , Rising Edge On Time (selectable on time control), 1/1e7 - 1e8 Hz, <2 nS jitter p-p, square wave

Strobe 5V HCMOS, >2V high, < 0.8V low into 50 Ω , 1 μS Positive pulse, variable delay

1, 5, 10 MHz clock

5V HCMOS, >2V high, < 0.8V low into 50 Ω (see "1.3. Functional Description"

on page 16 for signal characteristics) Time Code DCLS 5V HCMOS, >2V high, < 0.8V low into 50 Ω External 10 MHz

Oscillator DAC

Jumper selectable 0-5VDC or 0-10VDC into 1kΩ

bc635PCI-V2 and bc637PCI-V2 Jumpers

The following is a list of the hardware jumpers on the bc635PCI-V2 and bc637PCI-V2 boards:

n JP1 is a 2mm jumper that is the RTC battery connect switch. The RTC battery is a non-recharge-

able lithium cell with 48 mAh capacity. When the card is not powered and the RTC battery has not been disabled, the RTC draws about 20 uA which will provide >100 days of RTC operation. Longterm storage of the card should be done only after issuing the Disconnect RTC Battery command or by the manual disconnection of the jumper on JP1. The factory configuration places the 2mm J1 jumper ON.

n JP2 is the 1, 5, 10 MPPS or 10 MHz oscillator select switch. The factory configuration places the

2mm JP2 jumper on pins 1-2 which will allow for the software selection of 1, 5 or 10 MPPS for the output on J1 pin 13. When the jumper is in the 2-3 position, the output on J1 pin 13 is a buffered signal from the 10 MHz oscillator.

n JP3 is the DAC voltage range switch. When the jumper is OFF, the DAC voltage is 0-5 VDC;

when ON the voltage is 0-10 VDC. Both oscillators that are offered for this board have 0-5 VDC control voltage ranges, therefore the 2mm jumper is not factory installed. If an external oscillator requires a 0-10 VDC control voltage range, a 2mm jumper should be placed on JP3.

n JP4 is for factory use only.

bc635PCIe and bc637PCIe Jumpers

The following is a list of the hardware jumpers on the bc635PCIe and bc637PCIe boards:

n JP1 is a 2mm jumper that is the RTC battery connect switch. The RTC battery is a non-recharge-

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1. PCI/PCIe TFP Hardware

n JP3 is the DAC voltage range switch. When the jumper is OFF, the DAC voltage is 0-5 VDC;

n JP4 is for factory use only.

Environmental Specifications

Temperature Operating 0°C to +70°C (32°F to +158°F)

Non-Operating -30°C to +85°C (-22°F to +185 °F)

Relative Humidity Operating/Non-Operating To 95% RH, non-condensing

Front Panel LED

LED indication LEDDefinition

1 Off No power 2 Red No valid reference 3 Orange Valid reference but not locked to it yet 4 Green Freerun mode 5 Green Blinking Locked to a timing reference

GPS Antenna

To operate in the GPS Synchronized Generator mode, the bc637 models use an external antenna. The standard antenna kit supplied with these models includes the antenna, 50 feet (15.24 meters) of coaxial cable and antenna mounting hardware.

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1.1. Introduction

Figure 1-5: Antenna parts

The antenna is housed in completely waterproof packaging designed to withstand the elements. When the four UNC 4-40 screws are loosened, the antenna module detaches as shown below, exposing the TNC connector.

Figure 1-6: Antenna with TNC connector

Warning: Models bc637PCI-V2 and bc637PCIe supply +5 VDC to the antenna. Connection to an alternate antenna may damage the board and/or antenna functionality.

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1. PCI/PCIe TFP Hardware

General Specifications for the Antenna Operating Temperature -40°C to +85°C (-40°F to +185°F) Storage Temperature -40°C to +100° C (-40°F to +212°F) Humidity 100% condensing Power 30 mA @ 5 V (supplied by card)

Cable Specifications for the Antenna Cable Type RG-59 (Belden 9104) Length 50 feet (15.24 meters) Weight 1.2 lb. (0.545 kg) Humidity All weather, outdoors Connectors Type TNC male to BNC male

Cable lengths from 150 feet (45 meters) to 300 feet (90 meters) require an in-line GPS Signal Amplifier (P/N 150-200).

Cable lengths from 300 feet (90 meters) to 1,500 feet (457.2 meters) require the antenna Down/Up Converter option, part number 142-6150. Refer to the optional 142-6150 Down/Up Converter antenna manual for specifications.

Antenna and Down/Up Converter units are mounted on a 12-inch (30.48 cm) long PVC mast with 3/4inch (1.9 cm) Male Pipe Thread (MPT) on both ends.

1.2. Installation

1.2.1. General

This section contains TFP installation instructionsand information regarding operating modes and the use of registers to configure the card. Models bc637PCI-V2 and bc637PCIe have the additional feature of GPS mode that will automatically synchronize the card to UTC time.

Installation of PCI/PCIe boards is quite a bit simpler than in most bus architectures due to the following factors:

n Geographical addressing, which eliminates the need for DIP switches and jumpers normally

required to select a “base address” or interrupt level for plug-in modules.

n Auto configuration that allows the host computer to read the device ID, and other configuration

information directly from the PCI Configuration Registers.

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1.2. Installation

n The TFP is shipped with software suitable for use with Linux, Solaris and Windows. The kit

includes drivers for low-level access, as well as software programs for configuring and accessing the card.

Installation is as easy as choosing a vacant PCI or PCIe slot, plugging in the Symmetricom Time and Frequency Processor (TFP) and installing the device driver. Be sure to consult the user documentation that came with your particular workstation for any specific installation instructions. In addition, to protect the card, use good ESD protection practices when installing the card.

1.2.2. Installing the Card and Antenna

Installing the Card

n Unpack the card and carefully inspect it for shipping damage. Report any damage to the carrier

immediately.

n Record the card's serial number. The serial number has eight numerals, for example 08190018.

The first two are the last two numbers of the year. The second two is the week number of the year. The final four is a unique number for the card.

n With the computer's power turned OFF, if the TFP front panel height is correct install and secure

the card in an empty card slot. If a low-profile front panel needs to be attached to the TFP, follow the instructions below.

Changing the TFP Card Front Panel

The bc63xPCI-V2 and bc63xPCIe TFP card is shipped with a full-height front panel attached to it. A low-profile front panel is included as an alternative for low-profile situations. If the low-profile front panel option is required use the following procedure. Note, the following three tools will be required to change the front panel:

l 3/16 inch wrench l 1/4 inch wrench l Phillip's #1 screwdriver

Standard ESD precautions should be followed when handling the TFP printed circuit board.

Procedure for Changing the TFP Card Front Panel

The TFP card is attached to the front panel in three places, the GPS RFconnector, the 15 pin D-subconnector and a single Phillip's #1 screw. To change the front panel, do the following:

1. Remove the two nuts and washers from the backs of the 15 pin D-sub connector (3/16 wrench).

2. Remove the two standoff screws from the front panel side of the 15 pin D-sub connector (3/16 wrench).

3. Remove the retaining nut and washer from the GPS RFconnector (1/4 wrench).

4. Remove the Phillip's #1 screw that secures the TFP card directly to the front panel.

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1. PCI/PCIe TFP Hardware

5. Set the full-height front panel aside and pick up the low-profile front panel.

6. Secure the GPS RFconnector loosely to the front panel with its nut and washers.

7. Secure the TFP card loosely to the low-profile front oanel with the Phillip's #1 screw.

8. Secure the 15 pin D-sub connector to the front panel with its two standoff screws.

9. Secure the 15 pin D-sub connector to the front panel with its two retaining lock washers and nuts.

10. Tighten the GPS RFconnector front panel retaining nut.

11. Tighten the Phillip's #1 screw connecting the TFP card directly to the front panel.

Antenna Location and Installation (bc637PCI-V2 and bc637PCIe)

When selecting a site for the antenna, find an outdoor location that provides full 360-degree visibility of the horizon. In most cases, this means locating the antenna as high as possible. Any obstruction will degrade unit performance by blocking satellite signals. Blocked signals can significantly increase the time for satellite acquisition, or prevent acquisition all together.

The installation instructions are divided into “Quick Initial Setup” and “Permanent Installation” sections. This is designed to firstly get the GPS unit up and running as quickly as possible, and secondly to verify its operation and to become familiar with the equipment, We recommend that new users follow the “Quick Initial Setup” instructions first before proceeding to a permanent installation.

Quick Initial Setup

Connect the antenna cable to the unit and to the antenna. Simply run the antenna outside the building or set it on a window sill. Depending on the lead content or coating on the glass, it may be necessary to go outside. Turn on the unit and verify its operation.

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Permanent Antenna Installation

1.2. Installation

A: Secure mast to pole or pipe

B: Secure mast to mounting surface with pipe straps.

n Wood mounting - Drill hole with #43 bit and install with a #10 wood screw.

n Drywall/Masonry - Drill hole with 1/4 “bit, Insert #10 screw anchor. Then install the #10 wood

screws.

C: Shows the cable connector relative to the antenn. The antenna is shown separated from antenna mast. In reality, the cable is connected to the antenna and the mast is firmly attached to the antenna. Do not disconnect the pipe from the antenna assembly. To gain access to the TNC antenna input connector, untighten the four captive UNC screws that secure the two parts of the antenna.

Figure 1-7: Permanent Antenna Installation

Mast top mounting is the preferred mounting method. Special brackets are provided to mount the antenna to a pipe or the peak of a building. The antenna mounting mast should be 2-inch (5.08-cm) water pipe or conduit. The mast must be rigid and able to withstand high winds without flexing. Guy wires may be used to stabilize a mast longer than 10 ft. (3.048 m).

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+ 214 hidden pages

Symmetricom bc635PCI-V2, bc637PCI-V2-OCXO, bc637PCIe, bc635PCI-V2-OCXO, bc635PCIe-OCXO User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual