Marshall Amplification VDA-108-3GS User manual

Broadcast A/V Division

VDA-108-3GS

1x8 3G/HD/SD-SDI Re-Clocking

Distribution Ampliﬁer

User Manual

VDA-108-3GS Manual

www.marshall-usa.com2 1

Table of Contents

1. Introduction

2. Features

3. Package Contents

4. Speciﬁcations

5. Panel Descriptions

6. Hardware Installation

7. Connection Diagram

Safety Instructions

The VDA-108 -3GS 1x8 3G/HD/SD-SDI Re-clocking Distribution Ampliﬁer has been tested for

conformance to safety regulations and requirements and has been certiﬁed for international use.

However, like all electronic equipment, the VDA-108-3GS should be used with care. Please read

and follow the safety instructions to protect yourself from possible injury and to minimize the risk

of damage to the unit.

• Follow all instructions and warnings marked on this unit.

• Do not attempt to service this unit yourself, except where explained in this manual.

• Provide proper ventilation and air circulation and do not use near water.

• Keep objects that might damage the device and assure that the placement of this unit is on a

stable surface.

• Use only the power adapter and power cords and connection cables designed for this unit.

• Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to the device

before cleaning.

VDA-108-3GS Manual

www.marshall-usa.com2 3

1. Introduction

2. Features

The VDA-108 -3GS receives one SDI input, perfectly duplicates it, and re-transmits eight SDI outputs

for real time multi-viewing. It is a reliable video device splitting a SDI, HD-SDI, or 3G-SDI video

source to eight SDI compliant displays at the same time. Besides, built-in re-clocking & equalization

features provide the best performance for SDI distribution ampliﬁer.

• 3G/HD/SD triple-rate distribution

• Eight separately buffered and re-clocked outputs

• Supported SDI format

»3G-SDI (SMPTE 424M, 425M level A, B up to 2.97 Gbps)

»HD-SDI (SMPTE 292M, 296M up to 1.485 Gbps)

»SD-SDI (SMPTE 259M, up to 270 Mbps)

• Cable equalization (Belden 1694A) and signal retiming

• Video bandwidth: 2.97Gbps, 2.97/1.001Gbps

• Automatic detection of 3G/HD/SD-SDI signals

• Dual color LED indication of input lock and rate

• Passes all ancillary data

• Provides automatic cable equalization

»[3G]* >120m (400ft)

»[HD] >200m (667ft)

»[SD] >300m (1000ft)

• Re-clocks SDI signals for cascading and thus longer transmission

• Inter-locked power supply for better ﬁxedness

Note: The cable length depends on the characteristics and quality of the cables.

3. Package Contents

• 1x VDA-108-3GS

• 1x 5V power adapter

• 1x User Manual

4. Speciﬁcations

Model Name VDA-108-3GS

Technical

SDI standards SD/HD/3G-SDI

Auto 3G/HD/SD detection Yes

Supported protocols SMPTE 259M, SMPTE 292M, SMPTE 424M, SMPTE425M

Video bandwidth [2.97Gpbs & 2.97/1.001Gbps]

Data rates 270 / 1483 / 1485 / 2970 Mbps

Output impedance 75

Re-clocking function Yes

Cable equalization [3G-SDI] >120m (394ft) / [HD-SDI] >200m (656ft) / [SD-SDI] >300m (984ft)

Audio support Yes

RP-198 pathological patterns Immune

PCB stack-up 4-layer board [impedance control — differential 100 ; single 50 ]

Input 1x BNC [SDI]

Output 4x BNC [SDI]

BNC connector 75 inter-locked socket

Eye pattern characteristics

[HD]

Amplitude: Within 800mV ±3% (<10%) Long time jitter: 0.195 UI (<1.0 UI)

Rise overshoot: Less than 2% (<10%) Timing jitter: 0.195 UI (<1.0 UI)

Fall overshoot: Less than 2% (<10%) Alignment jitter: 0.127 UI (<0.2 UI)

Mechanincal

Housing Metal enclosure

Dimensions

[L x W x H]

Model 120.5 x 41.4 x 24.2mm [4.7” x 1.6” x1”]

Package 175 x 128 x 134mm [6.9" x5" x5.3"]

Carton 662 x 366 x 290mm [2'2" x 1'2" x 1']

Weight

Model 259g [0.6 lbs]

Package 525g [1.2 lbs]

Fixedness Inter-locked power supply

Power supply 5V 2A DC

Power consumption 1.3 Watts [max]

Operation temperature 0~40°C [32~104°F]

Storage temperature -20~60°C [-4~140°F]

Relative humidity 20~90% RH [no condensation]

Note: The measurement results are from Tektronix WFM-7120 with SDI through 1m (3.3ft) long

Belden 1694A

VDA-108-3GS Manual

www.marshall-usa.com4 5

5. Panel Descriptions

1 2 3 4 5

7 8 9 10 11 12 13 14

1. 3G/HD/SD-SDI Output

2. 3G/HD/SD-SDI Output

3. 3G/HD/SD-SDI Output

4. 3G/HD/SD-SDI Output

5. 5V DC power jack

Front Panel

Rear Panel

6. Power LED indicator

7. 3G/HD/SD-SDI Input

8. 3G Signal LED indicator

9. HD Signal LED indicator

10. SD Signal LED indicator

11. 3G/HD/SD-SDI Output

12. 3G/HD/SD-SDI Output

13. 3G/HD/SD-SDI Output

14. 3G/HD/SD-SDI Output

7. Connection Diagram

6. Hardware Installation

Camera

Display with COAXIAL input

1. Connect a camera or other devices equipped with 3G/HD/SD-SDI outputs to VDA-108-3GS 3G/

HD/SD-SDI input.

2. Connect devices equipped with 3G/HD/SD-SDI inputs (e.g. monitors or video processors) to

VDA-108-3GS 3G/HD/SD-SDI outputs.

3. Plug power adapter cable into 5V DC power jack.

20608 Madrona Avenue, Torrance, CA 90503

Tel: (800) 800-6608 / (310) 333-0606 • Fax: 310-333-0688

www.marshall-usa.com

support@marshall-usa.com

Marshall Electronics warranties to the ﬁrst consumer that this device will, under normal use,

be free from defects in workmanship and materials, when received in its original container, for

a period of two years from the purchase date. This warranty is extended to the ﬁrst consumer

only, and proof of purchase is necessary to honor the warranty. If there is no proof of purchase

provided with a warranty claim, Marshall Electronics reserves the right not to honor the warranty

set forth above. Therefore, labor and parts may be charged to the consumer. This warranty

does not apply to the product exterior or cosmetics. Misuse, abnormal handling, alterations or

modiﬁcations in design or construction void this warranty. No sales personnel of the seller or

any other person is authorized to make any warranties other than those described above, or to

extend the duration of any warranties on behalf of Marshall Electronics, beyond the time period

described above.

Due to constant effort to improve products and product features, speciﬁcations may change

without notice.

Warranty

V.1.0

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