Crystal Vision DDAA246 User manual

Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England.

E-mail: [email protected] Website: www.crystalvision.tv Tel: +44(0) 1223 497049 Fax: +44(0) 1223 497059

DDAA246

SDI to composite monitoring encoder

with distribution amplifier

Crystal Vision Introduction

20/09/05 1DDAA246 User Manual V1.10

Contents

1 Introduction 2

2 Card edge operation 4

3 Hardware installation 6

3.1 Universal rear connectors 6

Rear module connections with RM18 6

Rear module connections with RM02 7

Rear module connections with RM01 7

3.2 General purpose interface 8

2U frame GPI Connections 8

1U frame GPI connections 9

DTB GPI connections 9

3.3 Configuration 10

Changing the standard selection mode 10

4 Problem solving 11

5 Specification 13

Crystal Vision Introduction

20/09/05 2DDAA246 User Manual V1.10

1 Introduction

The DDAA246 is a dual 8-bit Serial Digital to Analogue Composite converter with re-

clocked serial and analogue outputs.

The universal connection system allows a mixture of Crystal Vision modules in the frame.

The modules plug in the front and the rear connectors plug in the rear. Depending on

frame design, a hinged or removable front panel reveals LED indication of input and PSU

status when opened.

DDAA246 serial digital to analogue converter

The DDAA246 may be used with the RM01 single slot rear connector, the RM02

quadruple slot rear connector and the RM18 double slot rear connectors. The RM01

allows the highest frame packing density, with reduced output connections, whilst the

RM18 and RM02 provide more outputs but with reduced packing density. Only the RM18

with 12 BNCs per module allows access to all module connections.

The RM01 allows 12 modules to fit in a 2U frame, the RM02 allows 9 modules to fit in a

2U frame and the RM18 allows 6 modules to fit in a 2U frame.

The analogue outputs can be switched between input video and an internal test pattern

under local or remote (GPI) control. It accepts either 625 or 525 line input, with automatic

detection.

Crystal Vision Introduction

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The main features are:

•Dual 8-bit Serial Digital to Analogue Composite converter

•Variable gain

•Automatic equalisation for up to 200 metres of coaxial cable.

•Up to two reclocked SDI outputs and three composite outputs per channel

•GPI/LED input presence indication

•Auto or manual PAL 625/NTSC 525 line selection

•VBI blanked or unblanked

•Modulated ramp test pattern or serial input

•NTSC setup on/off and chroma bandwidth select

•Card edge control

Crystal Vision Card edge operation

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2 Card edge operation

The front edge of the DDAA246 card provides power rail monitoring, signal status, gain

adjustment and configuration switches.

DDAA246 front edge view

The 8-way front edge switch provides access to the following:

•Test – for each channel, composite output is test pattern or SDI input

•525 – for each channel, force standard if board is NOT in AUTO

•VBI – for each channel, blank or unblank VBI data

•SET – for both channels, apply 7.5 IRE in NTSC

•CBW – for both channels, change chroma bandwidth

Lever Up Down

1TEST A Composite output is incoming SDI data Composite output is modulated ramp test pattern

2525 A 625-line if manual selected on jumper PL4 525-line if manual selected on jumper PL4

3VBI A Blank PAL lines 7 to 22 & 320 to 335,

NTSC lines 10 to 20 & 273 to 282

Unblank PAL lines 7 to 22 & 320 to 335, NTSC

lines 10 to 20 & 273 to 282

4SETUP No setup Adds 7.5 IRE of setup to Y & reduces Y gain as

required. Only affects 525-line output

5C BW Chroma Bandwidth 1.3MHz Chroma Bandwidth 650kHz

6TEST B Composite output is incoming SDI data Composite output is modulated ramp test pattern

7525 B 625-line if manual selected on jumper PL5 525-line if manual selected on jumper PL5

8VBI B Blank PAL lines 7 to 22 & 320 to 335,

NTSC lines 10 to 20 & 273 to 282

Unblank PAL lines 7 to 22 & 320 to 335, NTSC

lines 10 to 20 & 273 to 282

Crystal Vision Card edge operation

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LED indicator assignments

LED Colour Meaning when lit

INPUT A Green (bottom) Valid serial digital input detected channel A

ERROR A Red (top) Serial digital input lock error channel A

625 A Yellow (top) 625-line output channel A

525 A Yellow (bottom) 525-line output channel A

INPUT B Green (bottom) Valid serial digital input detected channel B

ERROR B Red (top) Serial digital input lock error channel B

625 B Yellow (top) 625-line output channel B

525 B Yellow (bottom) 525-line output channel B

PSU Green (top) Power supply voltage present

Adjusting input gain

Composite gain is continuously variable by ±10% using the GAIN control. The

DDAA246 is supplied with a factory-set gain of 0dB.

Cable equalisation

Cable equalisation is adjusted automatically for up to 200 meters of Belden 8281 or

equivalent.

On-board jumper link settings

Please refer to section 3.4 Configuration to set the following option when using card edge

control:

•Changing the standard selection – PL8, AUTO/Manual

Crystal Vision Hardware installation

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3 Hardware installation

The DDAA246 Serial Digital to Analogue Composite converter fits into all Crystal

Vision rack frames. All modules can be plugged in and removed while the frame is

powered without damage.

3.1 Universal rear connectors

When used with a single height rear connector, the 2U Indigo or FR2AV frame will house

up to 12 modules and dual power supplies, the 1U Indigo or FR1AV frame will house 6

modules and a single power supply. The 1U Desk Top Box has a built-in power supply

and will house up to 2 modules with a single height rear connector.

The 2U and 1U frames have a hinged front panel which gives access to the PSU and all

modules. The Desk Top Box has a removable front. The universal frame wiring system

allows any of the interface range of modules to be fitted in any position with the use of

removable rear modules.

The DDAA246 may be used with the RM01 single slot rear connector, the RM02

quadruple slot rear connector and the 18 double slot rear connectors.

Rear module connections with RM18

RM18 fits in all frames Description

RM18

•6 modules in 2U , 3 in 1U, 1 in a

DTB

•1 module per rear connector

•12 connections per module

available

•Card fits in upper slot

•No card fits in lower slot

BNC Connection

SDI(A) IN Channel A Serial Digital Input

SDI(A) OUT Channel A Serial Digital Output

PAL/NTSC(A) Channel A Composite Video Output

PAL/NTSC(B) Channel B Composite Video Output

SDI(B) OUT Channel B Serial Digital Output

SDI(B) IN Channel B Serial Digital Input

Crystal Vision Hardware installation

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Rear module connections with RM02

RM02 fits in a 2U Indigo or FR2AV frame Description

RM02

•9 modules per 2U frame

•3 modules per rear connector

•9 connections per module

available

•Card 1 fits in slots 1, 5 and 9

•Card 2 fits in slots 2, 6 and 10

•Card 3 fits in slots 4, 8 and 12

•No card fits in 3, 7 or 11

BNC Single-channel configuration

SDI(A) IN Serial Digital Input channel A

SDI(A) OUT Reclocked Serial Digital Output channel A

PAL/NTSC(A) Composite Video Output channel A

SDI(A) OUT Reclocked Serial Digital Output channel A

SDI(B) OUT Reclocked Serial Digital Output channel B

PAL/NTSC(B) Composite Video Output channel B

SDI(B) OUT Reclocked Serial Digital Output channel B

PAL/NTSC(B) Composite Video Output channel B

SDI(B) IN Serial Digital Input channel B

Rear module connections with RM01

RM01 fits in all frames Description

RM01

•12 modules in 2U, 6 in 1U &

2 in a DTB

•All frame slots can be used

•6 connections available

BNC Connection

NTSC/PAL B Composite Video Output channel B

SDI(A) IN Serial Digital Input channel A

SDI(A) OUT Re-clocked Serial Digital Output channel A

NTSC/PAL A Composite Video Output channel A

SDI(B) OUT Re-clocked Serial Digital Output channel B

SDI(B) IN Serial Digital Input channel B

Crystal Vision Hardware installation

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3.2 General purpose interface

The external GPI control lines 'a' to 'f' at the frame remote connectors may be used to

control the DDAA246 remotely with remote switches emulating some of the front panel

switches. The GPI lines are normally pulled up on-board to +5V via 10kΩ and will

withstand up to +35V.

GPI Connections

OPEN CONNECT TO GROUND

‘a’ Channel A 625-line if manual standard

selected on jumper PL4

Channel A 525-line if manual standard

selected on jumper PL4

‘b’ Blank channel A PAL lines 7 to 22 & 320 to

335, NTSC lines 10 to 20 & 273 to 282.

Unblank channel A PAL lines 7 to 22 & 320

to 335, NTSC lines 10 to 20 & 273 to 282.

‘c’ Channel B 625-line if manual standard

selected on jumper PL5

Channel B 525-line if manual standard

selected on jumper PL5

‘d’ Blank channel B PAL lines 7 to 22 & 320 to

335, NTSC lines 10 to 20 & 273 to 282.

Unblank channel B PAL lines 7 to 22 & 320

to 335, NTSC lines 10 to 20 & 273 to 282.

‘e’ Channel A input present Channel A input absent

‘f’ Channel B input present Channel B input absent

The following tables show the GPI pinout for each frame:

2U frame GPI Connections

GPI lines ‘a’ to ‘f’ of each card connect to one of four rear remote connectors as follows:

Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin

18 (1) 9 (1) 18 (1) 26 (1) 19 (2) 20 (2)

27 (1) 16 (1) 17 (1) 25 (1) 10 (2) 11 (2)

38 (3) 9 (3) 18 (3) 26 (3) 19 (4) 20 (4)

47 (3) 16 (3) 17 (3) 25 (3) 10 (4) 11 (4)

55 (1) 6 (1) 15 (1) 24 (1) 1 (2) 2 (2)

64 (1) 14 (1) 13 (1) 23 (1) 3 (2) 4 (2)

75 (3) 6 (3) 15 (3) 24 (3) 1 (4) 2 (4)

84 (3) 14 (3) 13 (3) 23 (3) 3 (4) 4 (4)

93 (1) 12 (1) 22 (1) 21 (1) 12 (2) 13 (2)

10 10 (1) 11 (1) 19 (1) 20 (1) 21 (2) 22 (2)

11 3 (3) 12 (3) 22 (3) 21 (3) 12 (4) 13 (4)

12 10 (3) 11 (3) 19 (3) 20 (3) 21 (4) 22 (4)

Table shows Pin number (Remote number)

Note: Remote 1 and Remote 3 are 26 way high density ‘D’ type female sockets and frame

ground is pin 2 and +5V @500mA is pin 1 in each case.

Remote 2 and Remote 4 are 26 way high density ‘D’ type male plugs and frame ground is

pin 6 and +5V @500mA is pin 15 in each case.

Crystal Vision Hardware installation

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1U frame GPI connections

GPI lines ‘a’ to ‘f’ of each card connect to one of two rear remote connectors as follows:

Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin

18 (1) 9 (1) 18 (1) 26 (1) 19 (2) 20 (2)

27 (1) 16 (1) 17 (1) 25 (1) 10 (2) 11 (2)

35 (1) 6 (1) 15 (1) 24 (1) 1 (2) 2 (2)

44 (1) 14 (1) 13 (1) 23 (1) 3 (2) 4 (2)

53 (1) 12 (1) 22 (1) 21 (1) 12 (2) 13 (2)

610 (1) 11 (1) 19 (1) 20 (1) 21 (2) 22 (2)

Table shows Pin number (Remote number)

Note: Remote 1: 26 way high density D-type socket. Frame ground is pin 2 and +5V @500mA

is pin 1.

Remote 2: 26 way high density D-type plug. Frame ground is pin 6 and +5V @500mA is

pin 15.

DTB GPI connections

GPI lines ‘a’ to ‘f’ of each card connect to the rear remote connector as follows:

Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin

1123456

291011121314

Note: Remote connector is 15 way normal density D-type socket. Frame ground is pin 15.

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