Miranda PicoLink Series Bedienungsanleitung

GUIDE TO INSTALLATION AND OPERATION

ENC-291p

Radio Frequency Interference and Immunity

This unit generates, uses, and can radiate radio frequency

energy. If the unit is not properly installed and used in

accordance with this guide, it may cause interference with radio

communications. Operation with non-certified peripheral devices

is likely to result in interference with radio and television

reception. This equipment has been tested and complies with

the limits in accordance with the specifications in:

FCC Part 15, Subpart B

CE EN50081-1:1992

CE EN50082-1:1992.

CONTACT MIRANDA

For technical assistance, please contact the Miranda Technical

Support centre nearest you:

Americas

Telephone:

+1-800-224-7882

e-mail:

[email protected]

Asia

Telephone:

+81-3-5730-2987

e-mail:

[email protected]

Europe, Middle East, Africa, UK

Telephone:

+44 (0) 1491 820222

e-mail:

[email protected]

France (only)

Telephone:

+33 (0) 1 55 86 87 88

e-mail:

[email protected]

Visit our web site at www.miranda.com

GUIDE TO INSTALLATION AND OPERATION

ENC-291p

CONTENTS

page

1.0 ENC-291p SDI to NTSC/PAL Encoder.......1

1.1 Introduction ………………………............. 1

1.2 Features .........................................…….. 1

2.0 Physical Layout ………………............. 2

3.0 Installation .......................................... 3

3.1 Power Supply .......................................... 3

3.2 SDI Input ……..…………….................... 3

3.3 Composite Output ……….……............... 3

4.0 Operation ............................................ 4

4.1 Switch Settings ....................................... 4

4.2 Status LED ………………………............... 5

5.0 Specifications ................………..……. 6

GUIDE TO INSTALLATION AND OPERATION

ENC-291p

GUIDE TO INSTALLATION AND OPERATION

ENC-291p | 1

1.0 ENC-291p 12-bit SDI to NTSC/PAL Encoder

1.1 Introduction

The ENC-291p is the industry’s smallest composite encoder.

This product automatically detects 525-line and 625-line SDI

signals conforming to the SMPTE 259M-C standard and

provides a NTSC, PAL, PAL-M, or PAL-N composite output

signal. An internal test pattern generator provides a color bars

test signal. This feature-packed unit delivers ease-of-use, a

simplified design, easy installation and operation.

Figure 1: ENC-291p functional block diagram

1.2 Features

•Automatic 525-line and 625-line format input detection

•NTSC or PAL-M composite output for 525-line input and PAL

or PAL-N composite output for 625-line input

•Y-only (monochrome) output selection

•Output setup selection: 7.5 or 0 IRE

•Color bars generator

•Bi-color LED providing error status on input SDI signal

•Very small packaging with aluminum extruded body

Serial to

parallel

SDI IN COMPOSITE

OUT

Encoder

GUIDE TO INSTALLATION AND OPERATION

2| ENC-291p

2.0 Physical Layout

Figure 2 illustrates the ENC-291p’s major parts and their

locations. The video source is connected to the SDI input BNC

and the encoded signal is provided by the composite output.

Error status is provided by the status LED and mode settings are

configured by two 3-position slide switches. Finally, the power

source is connected to the power connector.

Figure 2: Overall view of the ENC-291p

SDI input

Power connector

Composite output

Status LED

3-position slide switches

GUIDE TO INSTALLATION AND OPERATION

ENC-291p | 3

3.0 Installation

3.1 Power Supply

The LKS-WSU power supply is used to power the ENC-291p for

both 110V and 220V operation. This power supply provides a

regulated +5 VDC@1A power source over an input range of 90 –

260 VAC. The ENC-291p employs a mini XLR-3 connector for its

power needs. Figure 3 provides a detailed pinout of the male

connector.

(male connector-facing)

Pin 1: Shield

Pin 2: GND

Pin 3: +5 VDC

Figure 3: Power connector pinout

3.2 SDI Input

Connect an SDI serial digital signal to the BNC labeled SDI IN.

The SDI input signal must conform to the SMPTE 259M-C

standard.

3.3 Composite Output

A composite signal conforming to the SMPTE 170M or ITU-R

BT.470-6 standard is provided at the composite output BNC.

GUIDE TO INSTALLATION AND OPERATION

4| ENC-291p

4.0 Operation

4.1 Switch Settings

Figure 4 shows the location of the slide switches and the status

LED.

Output setup and format (SW1)

Normal, Y only and Test (SW2)

picoLink COMPOSITE

OUT

SDI IN

Status LED

7.5 IRE

0 IRE

Alt. Out

Normal

Y Only

Test

ENC-291p

Miranda Technologies inc.

Made in Canada

Figure 4: ENC-291p slide switch and LED locations

Output setup and format switch (SW1)

7.5 IRE: To add a 7.5 IRE setup to the output NTSC

composite signal, set SW1 to this position. There is

no setup for PAL, PAL-M, and PAL-N output signals.

0 IRE: For no setup on the output composite signal, set

SW1 to this position.

Alt. Out: To enable PAL-M and PAL-N outputs during 525-

line and 625-line input formats respectively, set SW1

to this position. Refer to Table 1 for the output

format provided during this setting.

GUIDE TO INSTALLATION AND OPERATION

ENC-291p | 5

4:2:2 input Output

SW1=7.5 IRE

or 0 IRE SW1=Alt. Out

525-lines NTSC PAL-M

625-lines PAL PAL-N

Table 1: Output format conversion

Normal, Y-only, and test pattern switch (SW2)

Normal: For normal operation, set SW2 to this position.

Y-Only: Setting SW2 to this position provides a monochrome

output signal by forcing the output chroma to 0.

Test: Set SW2 to Test in order to enable the test pattern

generator. Make sure a valid SDI input signal is

installed. For all output formats, the test signal is

75% color bars with 100% white bar.

4.2 Status LED

The color of the status LED, located on top near the Miranda

logo, identifies the presence of input errors and the selection of

the test pattern. Possible indications are:

Green: Indicates the ENC-291p is powered and has

detected a valid SDI serial digital signal at its input.

Red: Indicates that the input is in error:

•no input signal has been detected

•an invalid input signal has been detected.

Orange: The test pattern is selected.

If an input signal error is detected while the test pattern is

enabled, the status LED will turn and remain red.

GUIDE TO INSTALLATION AND OPERATION

6| ENC-291p

5.0 Specifications

Input

Signal: SMPTE 259M-C (270 Mbps)

Cable length: 300 m (985') Belden 8281

Return loss: > 15 dB up to 270 MHz

Connector: 75 ΩBNC

Output

Signal: NTSC-M (525/60) SMPTE 170M or

PAL (625/50) ITU-R BT.470-6

PAL-M (525/60) ITU-R BT.470-6

PAL-N (625/50) ITU-R BT.470-6

Return loss: > 35 dB up to 5 MHz

Connector: 75 ΩBNC

Processing performance

Signal path: 10 bits

Quantization: 12 bits

Sampling: 216 MHz (16X oversampling)

Freq. response: ±0.5 dB to 5 MHz

Processing delay: 3.2 us

Test signal: 75% color bars with 100% white

Electrical

Voltage requirement: +5 VDC

Power consumption: 1.2 W (typical)

Power connector: Mini XLR-3

Mechanical

Overall size: 102 mm x 25 mm x 18 mm

(4” x 1” x 0.7”)

Power cable length: 127 mm (5”)

Full spec. temp. range: 0°C (32°F) to 30°C (86°F)

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