Communications Specialties, Inc.Communications Specialties, Inc.

Fiber Optic & Copper Video, Audio & Data Products
for the Video and Broadcast Professional

Manufacturer of Fiberlink® Fiber Optic Transmission Systems, Copperlink™ 3G/HD/SD-SDI Signal Distribution Products, Scan Do® Computer Video Scan Converters, and more!

3G/HD/SD-SDI Four Channel Analog Audio De-Embedder

Copperlink™ 2381 3G/HD/SD-SDI & Analog Audio De-Embedder Series

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The Copperlink 2381 Series allows you to de-embed up to 4 channels (2 pairs) of analog line level audio from a 3G, HD or SD-SDI video signal in accordance with SMPTE standards. Convenient switches on the Copperlink 2381 de-embedder allow the operator to choose wether to extract or mute audio on a channel by channel basis.

Signals are equalized and re-clocked prior to de-embedding and the product supports both balanced and unbalanced audio. 

The 2381 Series is compliant with SMPTE 259M-2006, 292-2006, 424M-2006, 272M, 291M, and 299-2008.

Available in card versions and a small footprint box version, it is ideal for broadcast or corporate studios, OB vans, rental and staging, auditoriums, stadiums and theaters, airport or transportation hubs, distance learning, surgical or medical imaging and more

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Datasheets

  • 2381 Datasheet 2381 Datasheet
 

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Copperlink™ 2381 3G/HD/SD-SDI & Analog Audio De-Embedder Series Specifications

General Specifications

Indicators

Power
Data Rate lock (3G, HD, SD)
Audio Status
Alarm (card version only)

Box Dimensions

6.5 W x 1.15 H x 8 L (inches)
165 W x 29 H x 203 L (mm)

Weight

approx. 1 lb.; 0.45 kg

Slots in 6000A Card Cage

2

Power

9-24 volts DC or 24 volts AC
2381: 10.3 Watts, 35.1 BTU/Hr

Operating Temperature

-10º C to +50º C

MTBF

39,000 Hours

Audio Specifications

Number of Audio Channels

4, balanced or unbalanced

De-Embedding

Selectable by group & channel; SMPTE compliant

Channels may be muted or outputted on a channel by channel basis

Frequency Response

20 Hz - 20 kHz, +0/-0.5 dB

Bits-per-Sample/Sampling Rate

24 bits; 48 kHz

Maximum Audio Level

+24 dBu

SNR (A-Weighted)

105 dB

THD+N

0.002%, 20 Hz - 20 kHz

Channel Phase Differential

+0.05o

Crosstalk

Min. 100 dB (1 kHz)

Input Impedance

600 Ohms terminated; 
>24 k Ohms unterminated

Output Impedance

50 Ohms

Switches

Audio group select
Output/Mute on a per-channel basis

Connector

DB-25F, TASCAM Configuration, Channels 1-4

Serial Video BNC Input

Number of Inputs

1

Data Rate Range

270 Mbps to 2.97 Gbps

Supported Standards

SMPTE 259M, 292, 424M-2006

Re-clocked Data Rates

270 Mbps (SMPTE 259M), 
1.485 Gbps (SMPTE 292), 
2.97 Gbps (SMPTE 424M-2006)

Equalization

Automatic up to 100m of Belden 1694A at 3.0 Gbps, 200m at 1.485 Gbps and 350m at 270 Mbps

Return Loss

>10dB up to 2.97 Gbps

Serial Video BNC Output

Number of Outputs

1

Signal Level

800mV ± 10%

DC Offset

0V ± 0.5V

Rise/Fall Time

< 135 ps at 2.97 Gbps per SMPTE 424M-2006; 
< 270 ps at 1.485 Gbps per SMPTE 292;
0.4 ns to 1.5 ns at 270 Mbps per SMPTE 259M

Overshoot

< 10% of amplitude

Timing Jitter

< 0.2 UI at 270 Mbps; 
< 1.0 UI at1.485 Gbps; 
< 2.0 UI at 2.97 Gbps with color bar signal

Alignment Jitter

< 0.2 UI at 270 Mbps; 
< 0.2 UI at 1.485 Gbps; 
< 0.3 UI at 2.97 Gbps with color bar signal

Re-clocking

At 270 Mbps, 1.485 Gbps & 2.97 Gbps

Application Diagram

Copperlink 2381 3G/HD/SD-SDI & Analog Audio De-Embedder Series Application Diagram
2381 FrontLarger
 
Michael Fazzi

Click to contact Michael Fazzi, Sales Manager in US now!

125 Comac Street
Ronkonkoma, New York 11779 US

mikef@commspecial.com

(503) 287-3248

 

Capabilities at a Glance

  • 3G/HD/SD-SDI

    This product supports SMPTE complaint 3G, HD and SD-SDI data rates.

  • HDTV Resolutions to 1080p

    This product supports HDTV resolutions of 480p, 720p and 1080p.

  • Box and Card

    This product is available in a box or card configuration.

  • Analog Audio De-Embedding

    This product can de-embed analog audio from the SDI signal