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DigiLink

DLC150E

DigiLink SDI/SDTI 4 Channel Analog/Digital AES Audio Embed and Optical Transmitter

The DLC150E SDI/SDTI 4 Channel Analog/Digital AES Audio Embed and Optical Transmitter functions as both an audio embedder for four channel analog or two stereo pairs AES-3 audio, and as a 270Mb/s video over fiber optics transport module for use in the DigiLink media transport system. The DLC150E will embed analog or AES audio into SDI and SDTI as well as transport all standard 270Mb/s digital formats.

SKU: DLC150E Categories: , , , , , , , , , , , , ,

Description

The DLC150E is a flexible audio embedder and video transport card designed for use in the DigiLink video transport system. The DLC150E will embed analog or AES audio into SDI and SDTI as well as transport all standard 270Mb/s digital formats.

The DLC150 functions as both an audio embedder for four channel analog or two stereo pairs AES-3 audio, and as a 270Mb/s video over fiber optics transport module. The DLC150 uses industry standard 1310nm, 1550nm, and CWDM Small Form-Factor Pluggable (SFP) optics. Provisioning and monitoring is accomplished using switches, LEDs, front monitor jack, SNMP or HTTP via DL-Manager.

Environmental

Operating temperature
0 to 50° C
Ambient storage temperature
-40 to 80°C
Relative humidity
10 to 95% (non-condensing)
Power dissipation
9 Watts

Physical

Dimensions

0.8” x 5” x 10.8”

1 slot in DigiLink chassis

Optical Interface

Artel Video SFP
See SFP Specifications

Analog Audio Features

SMPTE 272M embedding of 2 analog stereo pairs (one to four analog signals) in SD-SDI (SMPTE 259M) or SDTI (SMPTE 305M)

  • 24-bit sampling @ 48kHz
  • 600ohm balanced and high-impedance balanced input (3-position terminal block)
  • 0 dBFS (full scale) adjustable from +16dBm to +28dBm in 2dB steps (600ohm)
  •  Selectable target group (0, 1, 2, 3)
  • Option to not embed if audio present in the target group
  • Option to disable embedding for transport-only applications

Analog Audio Specifications

Quantizing
24-bit
Sampling rate
48 kHz
Number of channels
4 analog audio balanced
Connector
3-position terminal block plugs
Input impedance
600ohm or >100Kohm, Switchable
Input return loss
>30 dB (600ohm)
Input common mode rejection
>60 dB 20Hz – 20kHz
Input common mode range
+/-10 V (20Vp-p)
Maximum input level (clipping)

0 dBFS = +10 to +24dBm (600ohm)

Adjustable in 2 dB steps

Amplitude frequency response
+/- 0.1 dB (20Hz to 20kHz)
Distortion (THD+N)
<0.05% (20Hz – 20kHZ @+18 dBm)
Intermodulation distortion
<0.05% (SMPTE RP12,60/7k, 4:1)
Audio signal-to-weighted-noise ratio
> 90 dBA (referred to +18 dBm)
Audio channel crosstalk
<-70 dB (20Hz – 20 kHz)
Video crosstalk
-85 dB
Insertion gain
0.0 dB +/- 0.2dB
Interchannel phase delay
<1° (20Hz-20kHz)
Audio-video delay
<10 ms

AES-3 Audio Features

SMPTE 272M embedding of 2 digital audio streams (two stereo pairs) in SD-SDI (SMPTE 259M) or SDTI (SMPTE 305M)

  • Interfaces A, B, C, D, E, F, and G
  • AES-3 audio stream support for 110ohm balanced (3-position terminal block)
  • Synchronous (48kHz) and asynchronous (32.0kHz, 44.1kHz, 48kHz) streams supported
  • Selectable target group (0, 1, 2, 3)
  • Option to not embed if audio present in the target group
  • Option to disable embedding for transport-only applications

Regulatory Conformance

Compliance
NEBS Level 3, CSA 60950, EN60950, EN55022 FCC Part 15 (Class A), CISPR 22

Digital Video Features

Transport of all 270Mb/s digital video
SD-SDI (SMPTE 259M)
SDTI (SMPTE 305M)
DVB-ASI (no audio embedding)
Automatic detection
Jitter cleanup of SD-SDI and SDTI
75ohm BNC input
>15dB return loss
Cable equalization up to 250m (Belden 8281 or equivalent)
EDH checking and generation for SD-SDI and SDTI
Standby video generator
  • Selectable SD-SDI signal allows audio to be delivered when input video is lost
  • Selectable non-video keep alive maintains link operation while allowing downstream equipment to detect loss of signal when input video is lost

 

DLC150E can be cascaded via backplane inputs and outputs for multi-group embedding

Single card audio embedder and video transport Embed into SDI or SDTI

  • One-to-four analog audio channels
  • One or two AES-3 audio pairs
  • Asynchronous or synchronous digital audio
  • Standby video signal continues to deliver audio on loss of video input

Optical transport (with or without embedded audio)

  • SD-SDI (SMPTE 259M-C, ITU 656)
  • SDTI (SMPTE 305M)
  • DVB-ASI
  • Analog Audio (4)
  • AES-3 (2 stereo pairs)
  • Full reclocking removes jitter from SDI

Externally accessible SFP transceiver optics

  • Optical budget to 33dB
  • WDM (1310nm, 1550nm)
  • CWDM ITU G.694.2 (Channels 27-61)

Inputs

  • Video (with or without embedded audio)
    • 75ohm BNC
    • Other modules on DigiLink chassis (via backplane)
  • Audio
    • Analog audio via 600ohm or high-Z balanced
    • AES-3 110ohm balanced

Outputs

  • Optical via SFP
  • Other modules in DigiLink chassis (via backplane)

Multiple monitoring options

  • Front panel monitor (mini 75ohm SMB) selectable between:
    • Input video (pre-embed)
    • Output video (post-embed)
  • Front and rear panel status LEDs

Remote management via DL-Manager

  • No external software required
  • HTTP or SNMPv2
  • Monitor
  • Configure
  • Upgrade firmware


Manual
Datasheet
Stencil
Quick Start Guide

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