Brainstorm Electronics DXD-16 Manual de usuario

DXD-16

Universal Clock

Operations manual

Version 2.0

June 2020

All materials herein © Brainstorm Electronics, Inc.

Brainstorm Electronics reserves the right to change or modify the contents of this manual at any time.

Brainstorm Electronics, Inc.

www.brainstormtime.com

Page 2
DXD-16 User Manual (rev 2.00) 
Introduction!6...............................................................................................................................
Installation!7................................................................................................................................
1 UNPACKING!7.................................................................................................
2 INSTALLING THE DXD-16!7...............................................................................
Quick Start!7...............................................................................................................................
I/O’s Description and Cable Requirements!8.................................................................................
1 AC POWER!8....................................................................................................
2 ANTENNA (OPTION)!8....................................................................................
3 GPIO / TC OUT / 1PPS I/O / RS-232!8.............................................................
4 HD/SDI (option)!8............................................................................................
5 ETHERNET PORTS!8..........................................................................................
6 REFERENCE INPUTS & TERMINATION SWITCHES!8..........................................
7 UNIVERSAL OUTPUTS!8....................................................................................
8 DC POWER!8...................................................................................................
Front Panel Display & LED’s!9.......................................................................................................
1 FRONT PANEL DISPLAY!9..................................................................................
2 FRONT PANEL LED’S!9.....................................................................................
Display!10...................................................................................................................................
1 Main Rotation!10............................................................................................................
1.1 MAIN ROTATION PAGES LAYOUT!10.............................................................
1.2 MAIN ROTATION PAGES!10..........................................................................
2 Status Mode!11..............................................................................................................
2.1 STATUS INFORMATION PAGES LAYOUT!11....................................................
2.2 STATUS INFORMATION PAGES!11.................................................................
3 Set Up Mode!12.............................................................................................................
3.1 MENU LEVELS!12...........................................................................................
3.2 NAVIGATION!12...........................................................................................
3.3 ENTER KEY!12...............................................................................................
3.4 STATUS VALUES!12........................................................................................
3.5 MENU GROUPS!13.......................................................................................
Menus Description!14...................................................................................................................
1 R e f e r e n c e !14...................................................................................................................
1.1 R E F E R E N C E ( M E N U 1.1 ) !14............................................................................
1.2 SYNC PARAMETERS (MENU 1.2)!15...............................................................
2 B N C I n p u t s !15................................................................................................................
2.1 BNC INPUT A SET UP (MENU 2.1)!15.............................................................
2.2 BNC INPUT B SET UP (MENU 2.2)!15.............................................................
3 BNC Outputs!15.............................................................................................................
Table of Content

DXD-16 User Manual (rev 2.00) 
Page 3
3.1 BNC OUTPUTS 1-4 (MENU 3.1)!15.................................................................
3.2 BNC OUTPUTS 5-8 (MENU 3.2)!16.................................................................
3.3 BNC OUTPUTS 9&10 MENU (3.3)!16.............................................................
3.4 BNC OUTPUTS 11&12 (MENU 3.4)!16............................................................
3.5 BNC OUTPUTS 13&14 (MENU 3.5)!16............................................................
3.6 BNC OUTPUTS 15&16 (MENU 3.6)!16............................................................
3.7 AUDIO BASE RATE A (MENU 3.7)!16.............................................................
3.8 AUDIO BASE RATE B (MENU 3.8)!16..............................................................
3.9 MUTE ON UNLOCK (MENU 3.9)!16...............................................................
4 Network!17....................................................................................................................
4 .1 N E T 1 ( M E N U 4 .1 ) !17....................................................................................
4.2 NET 2 (MENU 4.2)!17....................................................................................
4.3 NET 3 (MENU 4.3)!17....................................................................................
4.4 NET 4 (MENU 4.4)!17....................................................................................
5 PTP!18............................................................................................................................
5.1 PORTS MODES (MENU 5.1)!18......................................................................
5.2 GRANDMASTER [GROUP] (MENU 5.2)!18.....................................................
5.3 PORT 1 (MENU 5.3)!18.................................................................................
5.3.1 Port 1 Controls (Menu 5.3.1)!18..............................................................
5.3.2 Port 1 Timing (Menu 5.3.2)!19................................................................
5.3.3 Port 1 Independent Master (Menu 5.3.3 )!19...........................................
5.4 PORT 2 (MENU 5.4)!19.................................................................................
5.5 PORT 3 (MENU 5.5)!19.................................................................................
5.6 PORT 4 (MENU 5.6)!19.................................................................................
6 GPS!19..........................................................................................................................
7 Time!20..........................................................................................................................
7.1 TIME STANDARDS (MENU 7.1)!20..................................................................
7.2 REAL TIME CLOCK (MENU 7.2)!2 0..................................................................
7.3 TIME & DATE DISPLAY (MENU 7.3)!21.............................................................
7.4 LEAP SECONDS (MENU 7.4)!21......................................................................
8 Time Code!21.................................................................................................................
9 GPIO!21.........................................................................................................................
9.1 GPIO INPUTS (MENU 9.1)!21.........................................................................
9.2 GPIO OUTPUTS (MENU 9.2)!21.....................................................................
10 Presets!22.....................................................................................................................
11 Utility!22.......................................................................................................................
11.1 BRIGHTNESS (MENU 11.1)!22.......................................................................
11. 2 F RO N T PA N E L LO C KO U T ( M E N U 11. 2 ) !2 2....................................................
11.3 CLEAR MEMORY (MENU 11.3)!2 2.................................................................
11. 4 R E B O OT ( M E N U 11. 4 ) !2 2.............................................................................
11.5 FEATURE KEYS (MENU 11.5)!22....................................................................

Page 4
DXD-16 User Manual (rev 2.00) 
RTC (Real Time Clock)!22.............................................................................................................
Lock Status!23.............................................................................................................................
PTP Port States!24......................................................................................................................
PTP Set Ups!24...........................................................................................................................
1 B O U N DA R Y C LO C K !2 4...................................................................................
2 4-MASTER PORTS ON A SINGLE DOMAIN WITH GPS REFERENCE!25............
3 4-MASTER PORTS ON SEPARATE DOMAINS WITH GPS REFERENCE!25..........
4 HYBRID SYNC GENERATOR ACCEPTING MULTIPLE REFERENCES!26................
5 PTP PRIMARY AND SECONDARY NETWORKS!26............................................
6 DISTRIBUTED PTP VS. INDIVIDUAL GRANDMASTERS WITH GNSS!27...............
Input rate: Learn vs. Set!27.........................................................................................................
1 BNC INPUT SET UP MENU!27..........................................................................
2 ABOUT USING THE ‘SET’ MODE FOR THE REFERENCE SOURCE!28................
3 OFF SPEED REFERENCE!28.............................................................................
Source Reference Failover!28......................................................................................................
1 REFERENCE FAILURE WITH AN ALTERNATE REFERENCE!28.............................
2 REFERENCE FAILURE WITH NO ALTERNATE REFERENCE!29............................
3 SYNC PARAMETERS (MENU 1.2)!29...............................................................
Firmware Updates!29.................................................................................................................
1 FIRMWARE LOADER PAGE!29.........................................................................
2 PROGRAMMING SEQUENCE!30....................................................................
3 FIRMWARE FILE NAMING CONVENTION!30..................................................
4 UPLOADER!30................................................................................................
Remote Control!30.....................................................................................................................
GPIO / LTC connector (DB-25)!31................................................................................................
1 GPIO!31.........................................................................................................
2 1PPS/GPO!31.................................................................................................
3 LTC!31............................................................................................................
Non-Volatile Storage!31..............................................................................................................
Power!31...................................................................................................................................
1 POWER FAILURE W/ DUAL POWER SOURCES!31............................................
PTP (Precision Time Protocol)!32..................................................................................................
1 TIME AND PHASE!32......................................................................................
2 WHAT IS PTP?!32............................................................................................
3 A/V OVER IP APPLICATIONS!32.....................................................................
4 PTP DESCRIPTION!32......................................................................................
5 SELECTING A GRANDMASTER!33..................................................................
6 SYNCHRONIZATION!33.................................................................................

DXD-16 User Manual (rev 2.00)

Page 5

19.7 DELAY MEASUREMENT MECHANISM!34........................................................

19.8 TYPES OF CLOCKS!34.....................................................................................

19.9 PTP DOMAINS!34...........................................................................................

19.10 PTP PROFILES!34...........................................................................................

19.11 EPOCH!35.....................................................................................................

20. Notes on PTP (Precision Time Protocol)!35...................................................................................

21. Appendix!36..............................................................................................................................

21.1 APPENDIX A: VIDEO INPUT FORMATS!36.......................................................

21.2 APPENDIX B: AUDIO BASE RATES!36..............................................................

21.3 APPENDIX C: PULLED RATES!36......................................................................

21.4 APPENDIX D: MULTIPLIER RATES!37.................................................................

21.5 APPENDIX E: DB-25 PINOUT & GPIO CIRCUITRY!37.........................................

21.6 APPENDIX G: FACTORY PRESETS!39................................................................

Page 6

DXD-16 User Manual (rev 2.00)

1. Introduction

The DXD-16 Universal Clock is designed to be the central source of time in a modern A/V installation. It combines PTP, GPS

and legacy sync signals such as Word Clock, AES and Video Sync, making it truly universal by keeping the traditional audio/

video equipment and IP networks in perfect sync.

The DXD-16 has the capability of being a PTP slave or a PTP Grandmaster.

•As a PTP slave, the DXD-16 can generate legacy sync so that the legacy equipment locks to the network.

•As a PTP master, the DXD-16 can lock to external sync sources such as WC, AES or video sync so that the network

locks to the legacy equipment.

•It can also act as a stand-alone master, locked to its internal oscillator (or optionally to GPS) providing sync to the

network via the PTP ports and the legacy equipment via the Universal Outputs, simultaneously..

-On the PTP side, 4 independent Ethernet ports are included. Each port can be either a PTP Grandmaster, a PTP slave or part

of boundary clock.

-The precision multi-format reference generator provides up to 6 different legacy clocks simultaneously. The 16 universal

outputs can be conﬁgured for any of the generated signals, giving the DXD-16 great ﬂexibility.

-The DXD-16 has a battery backed-up internal Real Time Clock ‘RTC’ that can generate TIME information when the selected

reference does not have it, such as WC, AES or Video Sync.

-An optional GPS receiver can be installed in the DXD-16 providing an extremely accurate timing source and enabling

multiple DXD units in remote locations to be locked and in phase with one another. Additionally, with the DXD/GPS option,

the DXD-16 locked to GPS has a higher priority for PTP Grandmaster status.

IEEE-1588

ETHERNET (port 1)

PTP

DB25

TIME CODE (option)

TC 1

TC 2

INT

OCXO

ANT

GPS

ETHERNET (x4)

UNIVERSAL OUTPUTS

SYNC

POSITION

(TIME SOURCES)

INT

TCXO

RATE

(REFERENCE SOURCES)

SYNC

TIME

SELECT

REFERENCE

SELECT

ETHERNET (x4)

BNC OUT 1- 4

BNC OUT 5 - 8

BNC OUT 9&10

BNC OUT 11&12

BNC OUT 13&14

BNC OUT 15&16

SYNC

BNC IN B

AES

VID

10MHz

BNC IN A

AES

VID

10MHz

NTP

INTERNAL

TIME OF DAY

CLOCK

REFERENCE

FRAME

GENERATOR

SYNC TC1

TC2

DXD-16 DIAGRAM

• WC

• AES

• VID

• 10 MHz

• 1PPS

• WC

• AES

• VID

• 10 MHz

• 1PPS

• WC

• AES

• VID

• 10 MHz

• 1PPS

• WC

• AES

• VID

• 10 MHz

• 1PPS

• WC

• AES

• VID

• 10 MHz

• 1PPS

• WC

• AES

• VID

• 10 MHz

• 1PPS

IEEE-1588

ETHERNET (port 2)

IEEE-1588

ETHERNET (port 3)

IEEE-1588

ETHERNET (port 4)

INT

RTC

ETHERNET (x4)

PTP (BMCA)

ANT

GPS

BNC / SDI

Time Code

PTP (BMCA)

Rate & Position Rate Only Position Only

DXD-16 User Manual (rev 2.00)

Page 7

2. Installation

2.1 UNPACKING

When unpacking your DXD-16 the following items should be in the shipping carton:

•DXD-16 unit

•IEC power cable

•Registration card

2.2 INSTALLING THE DXD-16

The DXD-16 is designed to be mounted in a standard 19” rack. It requires 1U in height. Usual precautions should be respected

when wiring the DXD-16: use high quality cables with good shield to guarantee a good signal transmission. Keep your cables

as short as possible. The type of cables required are speciﬁed in chapter 4.

To preserve the integrity of the transmission line, it is recommended that you do not ‘mult’ a single output to multiple devices as

it can degrade signal quality.

The BNC reference input needs to be properly terminated. If the DXD-16 is the last device in the chain, turn on the 75Ω

termination switch on the rear panel. If you are looping through using a ‘T’ connector (again, not recommended), turn off the

termination switch and make sure there is a 75Ωtermination at the end of the chain.

3. Quick Start

You should read this manual to familiarize yourself with the DXD-16 features. The following simple steps are only provided to

get you started right away.

Connect the supplied IEC power cable to the AC input connector (Power A) and plug it into a wall outlet. The DXD-16 will turn

on automatically when power is connected. Power up takes approximately 50 seconds. After about 10 seconds, the display

will light up showing the different steps and a progress bar.

Out of the box, the DXD-16 is set to generate NTSC video sync, referenced to its internal crystal. This signal is sent to all 16

outputs. The 4 PTP ports are in the DISABLED mode. DHCP is activated on each port so IP addresses will be provided

automatically.

To make changes, press the [SET UP] button and navigate to the required menu using the [UP] and [DOWN] buttons then

pressing the [NAV ▶] key.

•To change the reference, go to menu 1.

•To change the outputs, go to menu 3.

•To change the IP addresses, go to menu 4.

•To change the PTP ports settings go to menu 5.

Once you are in the right menu:

•use the [NAV ▶] key to navigate to the right ﬁeld;

•use the [UP] and [DOWN] keys to change the value;

•press the [ENTER] key to save the changes.

For more details on menu navigation, go to 6.3. For details on the different menus, go to chapter 7.

Page 8

DXD-16 User Manual (rev 2.00)

4. I/O’s Description and Cable Requirements

4.1 AC POWER

Universal power input, accepts 100 to 240 VAC.

Connector: IEC inlet - Fuse: 5A 125VAC 5X20MM

☛Use an IEC power cable and connect to an 100/240 AC wall outlet.

4.2 ANTENNA (OPTION)

This port is used to connect a GNSS antenna to the optional DXD/GPS receiver.

Connector: SMA jack

☛Use 50Ωcoaxial cable to connect the GNSS antenna as speciﬁed in the DXD/GPS instructions manual.

4.3 GPIO / TC OUT / 1PPS I/O / RS-232

The 25pin connector is used for GPIO’s, balanced TC outputs and 1 PPS output as well as future developments (reserved pins).

Connector: DB-25 female receptacle

☛Use a custom DB-25 cable per the pin out described in appendix E

4.4 HD/SDI (option)

Connectors: BNC IN + BNC Loop Through

☛Use standard 75ΩBNC coaxial cables (see DXD/SDI manual).

4.5 ETHERNET PORTS

4 independent Gb Ethernet ports used to connect the DXD-16 to a network for PTP sync or to control the unit remotely and

upload ﬁrmware from any computer on the network. Remote control and ﬁrmware update is from port #4 only.

Connectors: RJ45 jack

☛Use a standard cat5 or cat6 Ethernet cable with RJ45 plugs.

4.6 REFERENCE INPUTS & TERMINATION SWITCHES

The 2 BNC inputs accept WC, AES, Video Sync and 10MHz based on the user selection (INPUTS Menus - see Appendix A for

a list of supported HD & SD video formats). 10MHz is a sine wave typically 1/2 v, coming from a GPS receiver, a rubidium

clock or other types of generators.

Connectors: BNC

☛Use standard 75ΩBNC coaxial cables.

Each input has a 75Ωtermination switch. Under normal conditions, it should be on. However, if a ‘T’ BNC is used to ‘daisy-

chain’ the reference to another unit (not recommended), termination should be off on the DXD-16. The last unit in the chain,

and only that unit, should have its termination on.

4.7 UNIVERSAL OUTPUTS

BNC outs 1-16 can output Word Clock, AES, 10MHz (1v pk-pk sine wave), HD Video Sync, or SD Video Sync, based on the

user selection (BNC OUTPUTS menus).

Connector: BNC

☛Use standard 75ΩBNC coaxial cables.

4.8 DC POWER

In addition to AC, the DXD-16 can also be powered by a 12VDC @ 48W source. Acceptable range is 11VDC to 17VDC.

For redundancy, the DC source can be connected together with the AC source.

To order a DC power supply (p/n PS-9), contact your dealer.

Connector: 4 pin circular connector

☛Insert the 4 pin plug into the rear panel jack and secure by screwing the ring. Plug the supply into the wall using the

standard IEC cable supplied.

DXD-16 User Manual (rev 2.00)

Page 9

5. Front Panel Display & LED’s

5.1 FRONT PANEL DISPLAY

The DXD-16 front panel has a large full color display giving access to all the unit’s parameters and settings.

In the normal operating mode, information is presented on the display in multiple pages referred to as the ‘Main

Rotation’ (see chapter 6).

In addition to the normal operating mode, two additional modes exist that affect the display:

•SET UP Mode

•STATUS Mode

These two specialized modes are activated by pressing the corresponding button to the right of the navigation buttons. An LED

lights up for each of these modes indicating activation.

In the STATUS mode, the displays shows additional status information organized on multiple pages, much like the Main

Rotation pages (see chapter 6).

The SET UP mode is used to set the unit’s parameters as described in 6.3.

Note that SET UP and STATUS modes are mutually exclusive. It means that, if you press the STATUS button while in the SET UP

mode, you will exit the SET UP mode and enter the STATUS mode, and vice-versa.

5.2 FRONT PANEL LED’S

There are 12 status LED’s to the right of the display insert area:

•IN A:! !a signal is present at the Input A connector;..................................

•TERM OFF A:! !the rear panel termination switch is off (see 4.6);......................

•IN B:! !a signal is present at the Input B connector;..................................

•TERM OFF B:! !the rear panel termination switch is off (see 4.6);......................

•GNSS/GPS:! !a signal is present at the antenna input (optional).......................

•HD/SDI:! !a signal is present at the SDI input (optional).............................

•NETWORK 1:! !port 1 of the DXD-16 is connected to a network.....................

•NETWORK 2:! !port 2 of the DXD-16 is connected to a network.....................

•NETWORK 3:! !port 3 of the DXD-16 is connected to a network.....................

•NETWORK 4:! !port 4 of the DXD-16 is connected to a network.....................

•POWER A:! !AC Mains is connected to the Power A connector..........................

•POWER B:! !12VDC power is connected to the Power B connector..........................

Note that, if one of the power LED’s is ﬂashing, it indicates that power was present at that connector but

then disappeared, possibly due to a faulty power supply, and the other power source took over (see

chapter 18 for more information).

Page 10

DXD-16 User Manual (rev 2.00)

6. Display

6.1 Main Rotation

In the standard operating mode, with neither the Status mode nor the Set Up mode activated, information is presented on the

display in multiple pages referred to as the ‘Main Rotation’.

To rotate through the different pages, press the [◀BACK] or [NAV ▶] key.

6.1.1 MAIN ROTATION PAGES LAYOUT

Pages in the main rotation all have a similar structure, made up of several lines arranged in 3 different sections:!

•HEADER (top line):

Contains the page title. It has a blue background and white letters + left and right navigations arrows.

•BODY:

Contains the page data. If required, a scroll bar appears on the left. Pressing the [UP] or [DOWN] buttons displays

additional content.

•FOOTER (bottom 2 lines):

-Reference: source and errors or special conditions (see chapters 12 & 13).

-Lock status. See chapter 9. The background color changes to reﬂect the lock condition: green, orange or red.

6.1.2 MAIN ROTATION PAGES

• OUTPUTS

This page indicates the rate, format and signal type of each of the 6 BNC output groups. For audio rates, if VSO is

engaged, it is also indicated.

•PTP PORTS

This page shows the setting and the state of each of the 4 PTP ports in

colors for easy identiﬁcation. The setting will appear as white letters on

grey background: (Off , Master/Slave group , Independent Master).

Then the display will indicate the state of the ports as they change in bold

letters with the following colors:

-SLAVE!black letters!yellow background

-GRANDMASTER!black letters!bright green background

-Indep. MASTER!white letters!blue background

-MASTER!white letters!green background

-Passive!white letters!dark grey background

PTP Grandmaster state is always determined by the BMCA. This applies to Master and Independent Master as well.

‘Master’ and ‘Slave’ are for ports in a Boundary Clock; ‘Independent Master’ is for ports set as such in menu 5.1.

For details on these states, see Ch. 10, PTP Ports States.

PageTitle

Page data

(w/ scrollbar

when required)

Reference Info

Lock Status Bar

HEADER

BODY

FOOTER

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