Snell IQMDA00 User manual

IQMDA00 SECTION N1

IQMDA00OPS 090305 www.snellwilcox.com Version 1 Issue 2 N1.1

IQMDA00 HD/SD-SDI distribution amplifier and

HD-SDI monitoring downconverter

Module Description

The IQMDA00 is an HD/SD-SDI distribution

amplifier and HD-SDI monitoring downconverter.

This module takes HD-SDI streams and produces

four re-clocked HD-SDI outputs. It also converts

the input signal to same frame-rate SD-SDI

outputs for monitoring. Output options include 4 x

HD-SDI and 3 x SD-SDI. One group of audio can

also be carried through from the HD inputs to the

SD outputs. This module can also be used to

distribute SD-SDI signals to SMPTE 259M-C,

providing 7 outputs from one input.

Rear Panel View

SD-SERIAL OUT

HD-SERIAL OUT

IQMDA

0026-1A

SERIAL IN

Versions of the module cards available are:

IQMDA0026-1A HD/SD-SDI DA and HD-SDI Monitoring Down-converter. 4 HD-SDI and 3 SD-SDI outputs

Note that this module can only be fitted into the ‘A’ Style Enclosure shown below.

(Enclosure order codes IQH3A-E-0, IQH3A-E-P, IQH3A-0-0, IQH3A-0-P)

IQMDA00 SECTION N1

IQMDA00OPS 090305 www.snellwilcox.com Version 1 Issue 2 N1.2

Block Diagram

Reclock

and

Output

Drivers

Serial

Outputs

Input

Equalizer

Serial

Input

Deserialize

CRC/EDH

Check

Processor

RollCall

Monitoring

Down

Conversion

Serial

Outputs

Features

•An HD-SDI monitoring down-converter to allow compact low-cost, low-power monitoring solutions for HD

environments

•Standards supported:

♦HD-SDI to SMPTE292M

♦SD-SDI to SMPTE259M-C

•A distribution amplifier for HD-SDI signals with SD-SDI monitoring capability

•A distribution amplifier for SD-SDI signals with 7 x SD-SDI outputs

•Audio capability means that a complete Audio/Video monitoring solution is possible

•Supports one output group of embedded audio channels with input audio group selection

•Monitoring output aspect ratio may be set to letterbox, anamorphic or center cut out picture modes

•Signal loss detection

•Maintains the input frame-rate for the output signal

•RollCall remote control and monitoring compatible

IQMDA00 SECTION N1

IQMDA00OPS 090305 www.snellwilcox.com Version 1 Issue 2 N1.3

Technical Profile

Features

Signal Input

Electrical ........................... 1.5 Gbit/s HD-SDI, SMPTE 292M

270 Mbit/s SDI, SMPTE 259M-C

Connector / Format ............ BNC/ 75 Ohm panel jack on

standard S&W connector panel

Input Cable Length............. Up to 140 m Belden 1694A @

1.5 Gbit/s

Up to 350 m Belden 1694A @

270 Mbit/s

Return loss......................... > -15 dB

Distribution Outputs

Electrical ........................... 1.5 Gbit/s HD-SDI, SMPTE 292M

270 Mbit/s SDI, SMPTE 259M-C

Connector / Format ............ BNC/ 75 Ohm panel jack on

standard S&W connector panel

Outputs .............................. 4

Return loss ............................. > -15 dB

Downconverter Outputs

Electrical ............................ 270 Mb/s SD-SDI SMPTE 259M-C

including one group of embedded

audio, delayed to match the HD/SD

video processing delay

Connector / Format ............ BNC/ 75ohm panel jack on

standard S&W connector panel

Outputs .............................. 3

Output Return Loss............ > -15 dB

Indicators

Power ................................ OK

CPU................................... OK

Status ................................ OK (Green)

Warning (Yellow)

Error (Red)

Available Conversions

Input Output

1125(1080)/29.97i or sF 525(483)/29.97i

1125(1080)/25i or sF 625(576)/25i

750(720)/59.94P 525(483)/29.97i

750(720)/50P 625(576)/25i

625(576)/25i 625(576)/25i

525(483)/29.97i 525(483)/29.97i

RollCall Control

1. Control

2. Aspect ratio for monitoring outputs

letterbox, anamorphic, center cut out

User Memories................... 16 x Save / Recall / Rename

Input audio group selection Groups 1 to 4

Reporting ........................... Input format(including unknown),

input loss, CRC error

Logging .............................. Input Status

Input Standard

Convert

CRC/EDH

CRC/EDH total

RollTrack Controls.............. On/Off, Index, Source, Address,

Command, Status, Sending.

RollTrack Outputs .............. Unused

SD Output Video Delay

Input Present

Input Loss

Specifications

Processing......................... 10 bit

Under/over shoot ............... <10%

Linearity ............................. ±1 LSB

S/N .................................... > 65 dB

Color Space ....................... Transmission matrix conversion

from SMPTE274 to ITUR-601

Y/C delay ........................... < 10 ns

SD Output Delay................ 1 output Frame

625(576)/25i = 40 ms

525(483)/29.97i = 33 ms

No conversion = 0 ms

With SD inputs = 1.2 µs

Horizontal Response (anamorphic)

±0.2 dB to 5.4 MHz, > 45 dB stop

band attenuation

Vertical Response.............. > 40 dB stop band attenuation

Power Consumption

Module Power Consumption

8.5 W Max

IQMDA00 SECTION N1

IQMDA00OPS 090305 www.snellwilcox.com Version 1 Issue 2 N1.4

INPUTS

Serial Digital Video Input

The serial digital input to the unit is made via this

BNC connector which terminates in 75 Ohms.

OUTPUTS

HD-Serial Out

These are the four HD distribution serial digital

outputs of the unit via 75 Ohm BNC connectors.

Note that for SD serial inputs these connectors will

provide four SD distribution serial digital outputs.

SD-Serial Out

These are the three downconverted HD serial

digital outputs of the unit via 75 Ohm BNC

connectors. These outputs also include one group

of embedded audio (if present in the source

signal), automatically delayed to match the HD/SD

processing delay

Note that for SD serial inputs these connectors will

provide three SD distribution serial digital outputs.

IQMDA

0026-1A

SERIAL IN

SD-SERIAL OUT

HD-SERIAL OUT

IQMDA00 SECTION N1

IQMDA00OPS 090305 www.snellwilcox.com Version 1 Issue 2 N1.5

CARD EDGE CONTROL

Power OK

CPU OK

Warning

Erro

LED INDICATORS

Power OK (Green)

This indicator is illuminated when the positive

supply is present.

CPU OK (Green)

This LED will flash to indicate that the CPU is

running.

Error (Red)

This will only become illuminated when CRC/EDH

errors are being detected on the input or with no

input present.

Warning (Yellow)

This will only become illuminated when the unit

cannot convert the HD input to a SD output.

OK (Green)

When illuminated this will indicate that the module

is locked to the input signal.

Power OK

CPU OK

Warning

Erro

IQMDA00 SECTION N1

IQMDA00OPS 090305 www.snellwilcox.com Version 1 Issue 2 N1.6

RollCall PC Control Panel Screens for the IQMDA00

Input & Output

This screen allows the input and output settings to

be selected.

Output (Standard)

This allows the standard of the monitoring output to

be selected.

Auto

When Auto is selected the standard of the SD

monitoring output will be at the same frame-rate as

the HD input signal if the conversion is valid (see

the Valid Conversions table).

Note that if the conversion is not valid then

OUT: Can't Convert will appear in the Unit Status

line.

625/25i

The standard of the SD monitoring output will be

forced to 625/25i. (See the Valid Conversions

table).

525/29i

The standard of the SD monitoring output will be

forced to 525/29i. (See the Valid Conversions

table).

Valid Conversions

Input Output

1125(1080)/29.97I or sF 525(483)/29.97i

1125(1080)/25I or sF 625(576)/25i

750(720)/59.94P 525(483)/29.97i

750(720)/50P 625(576)/25i

625(576)/25i 625(576)/25i

525(483)/29.97i 525(483)/29.97i

On Input Loss

This controls the system response to a loss of

input signal.

Input

The incoming signal will be displayed whenever

possible.

Black

When an input loss is detected the output picture

will cut to black.

75% Color bars

When an input loss is detected the output picture

will become a 75% color bars pattern.

IQMDA00 SECTION N1

IQMDA00OPS 090305 www.snellwilcox.com Version 1 Issue 2 N1.7

Input & Output (continued)

Output Format

This allows the aspect ratio of the output picture to

be selected from the list as follows:

•Letterbox Center

To maintain the correct shape of objects on the

16:9 input, this displays the 16:9 picture as a strip

across the center of the 4:3 display.

•Anamorphic

This setting retains all picture information from the

input and passes it to fill the output image

regardless of the aspect ratio conversion. This

means that 16:9 to 4:3 conversions will appear

squeezed horizontally.

•Center Cut-out

To maintain the correct shape of objects on the

16:9 input, this setting retains all vertical detail but

crops the left and right edges of the image.

•Letterbox Top

To maintain the correct shape of objects on the

16:9 input, this displays the 16:9 picture as a strip

at the top of the 4:3 display.

•Letterbox Bottom

To maintain the correct shape of objects on the

16:9 input, this displays the 16:9 picture as a strip

at the bottom of the 4:3 display.

•L-Box Screen Saver

In this mode the picture, in letterbox format, will

slowly move up and down on the screen.

Input 16:9 Transformation Output 4:3

Center Cutout Image is side

cropped

Anamorphic Image is squeezed

horizontally

Letterbox Center

Letterbox Top

Letterbox Bottom

Letterbox Screen

Saver

IQMDA00 SECTION N1

IQMDA00OPS 090305 www.snellwilcox.com Version 1 Issue 2 N1.8

Input & Output (continued)

Output Pattern

When checked the output will become the pattern

selected from the Pattern Type item.

Pattern Type

This allows will allow either Black or 75% Color

Bars to be used as the output signal when the ON

item has been checked.

Audio Output Group 1

One group of audio can be carried through from

the HD input to the SD outputs.

This item allows one of the input groups to be

selected.

CRC/EDH

This item provides information about the Cyclic

Redundancy Checksum errors or EDH errors

within the input.

CRC/EDH

This will display the current CRC/EDH Error Rate.

CRC/EDH Total

This will display the total CRC/EDH Error Count

since the last reset.

This will reset the CRC/EDH error counter to zero.

IQMDA00 SECTION N1

IQMDA00OPS 090305 www.snellwilcox.com Version 1 Issue 2 N1.9

Memory 1-8 and 9-16

(Memory 1-8 and 9-16)

This item will store the settings in the selected

memory location.

(Memory 1 to 8 and 9-16)

This item will recall the settings from the selected

memory location.

Memory 1 to 8 and 9-16

The memory location name may be renamed.

To change the memory name, type the new name

in the text area and then select (return).

Selecting Preset will return the text to the

default name (Memory 1-8 and 9-16).

IQMDA00 SECTION N1

IQMDA00OPS 090305 www.snellwilcox.com Version 1 Issue 2 N1.10

Logging

Information about various parameters can be

made available to a logging device that is attached

to the RollCall™ network by checking the

appropriate box.

The status is shown to the right of the item.

Any of the items may be selected from the list.

ROLLCALL LOG FIELDS

Log Field Log Value Description

INPUT LOST No input present.

OK Input present is OK.

STD <string> Input standard description.

CONVERT OK Valid conversion available.

NONE No valid conversion available.

CRC_ERR <number> A number stating the current CRC/EDH error rate.

CRC_ERR_TOTAL <number> A number stating the total number of CRC/EDH errors that

have been received since the last reset.

SN <string> Serial Number of unit.

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