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DAI-4207:
3G/HD/SD-SDI Digital Audio Inserter. | ||
FEATURES:
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GENERAL:
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The DAI-4207 is a high performance audio embedder for either 2.97 Gb/s 3G-SDI, 1.485 Gb/s HD-SDI or 270 Mb/s SD-SDI video signals. | ||
TECHNICAL SPECIFICATIONS:
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SDI input: |
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Number |
1 (BNC). |
Impedance |
75 Ω terminated. |
Equalisation |
Automatic, >100 metres at 1.485 Gb/s & 2.97 Gb/s, |
> 250m at 270 Mb/s for Belden 8281 or equivalent cable. |
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Format |
270 Mb/s (SD-SDI) video with or without embedded audio serial data to SMPTE 259M; 1.485 Gb/s (HD-SDI) video with or without embedded audio serial data to SMPTE 292M; 2.97 Gb/s (3G-SDI) video1 with or without embedded audio serial data to SMPTE 424M. |
SDI output: |
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Number |
2 (BNC). |
Type |
75 Ω sourced. |
Format |
Regenerated and re-clocked, as per input type. |
AES/EBU Inputs1: |
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Number |
4 (2 Groups). |
Impedance |
110 Ω balanced (standard), or 75 Ω unbalanced (with optional rear assembly). |
Signal amplitude |
3.5V ± 1Vp-p (standard balanced rear assembly); (1 Vp-p optional unbalanced BNC rear assembley). |
Resampled at |
48 kHz, automatic. |
Audio pair Group X2 |
AES 1 & AES 2 (CH1/2 & CH3/4). |
Audio pair Group Y2 |
AES 3 & AES 4 (CH5/6 & CH7/8). |
Analogue Audio Inputs1: |
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Number |
8 (2 Groups). |
Impedance (balanced) |
10 kΩ. |
Input level |
+24 dBu at Full Scale. |
Front Panel Indicators: |
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SD |
SD-SDI input present. |
HD |
HD-SDI input present. |
3G |
3G-SDI1 input present. |
M |
Dropped Frame indicator. 3G/HD-SDI Frame Rate = 23.98, 29.97 or 59.94 fps, varies with line rate and whether interlaced or progressive. |
CH1 |
Channel 1 audio input available for Group X position2. |
CH2 |
Channel 2 audio input available for Group X position2. |
CH3 |
Channel 3 audio input available for Group X position2. |
CH4 |
Channel 4 audio input available for Group X position2. |
CH5 |
Channel 5 audio input available for Group Y position2. |
CH6 |
Channel 6 audio input available for Group Y position2. |
CH7 |
Channel 7 audio input available for Group Y position2. |
CH8 |
Channel 8 audio input available for Group Y position2. |
Power Requirements: |
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Voltage |
28 Vac CT (14-0-14) or ± 16 Vdc. |
Power consumption |
< 8 VA. |
Other: |
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Temperature range |
0 - 50°C ambient. |
Mechanical |
Suitable for mounting in IRT 19" rack chassis with input output and power connections on the rear panel. |
Finish: Front panel |
Grey background, black lettering & red IRT logo. |
Rear assembly |
Detachable silk-screened PCB with direct mount connectors to Eurocard and external signals. |
Dimensions |
6 HP x 3 U x 220 mm IRT Eurocard. |
Related modules |
DAX-4207 digital audio extractor. |
NOTE: 1 |
Works at 3GA 1080p50 and 1080p60 rates. |
2 |
X corresponds to Groups 1, 2 or 3; Y corresponds to Groups 2, 3 or 4. X cannot equal Y. |
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Due to our policy of continuing development, these specifications are subject to change without notice.
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