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Description
Meridian Technologies DR-4A Overview
The DigiFlex DR-4A-3 4-Channel Unidirectional One Fiber Singlemode Audio Multiplexer Receiver Card from Meridian Technologies receives up to 4 channels of 24-bit digitally encoded audio over one singlemode fiber channel, when used with the DigiFlex Multimode Audio Multiplexer Transmitter Card. The receiver's card type design allows for easy configuration of data channels on the system. This receiver can be converted to a standalone module with the separately available SR-1000/S Desk / Wall Mount 2-Slot Chassis.
- Receives up to 4 channels of 24-bit digital encoded audio over one singlemode fiber channel
- Laser based system
- Surface mount technology (SMT) for high reliability and repeatability
- Local LED status indicators to monitor critical system diagnostics and performance parameters
- FC optical connector
- Hot-swappable
- Back-biased photo detector circuitry for stable optical laser output over full temperature range
- Meets NEMA TS1 / TS2 & Caltrans specifications
- Utilizes internal power supplies
- Automatically resettable solid-state current limiters on all power lines ensure equipment protection
- DB-9F type connectors for audio
- Wide optical dynamic range (optical attenuators are never needed)
- Applications: CCTV networks, intercoms, security & surveillance
Items Included
- Meridian Technologies DigiFlex DR-4A-3 4-Channel Unidirectional One Fiber Audio Multiplexer Receiver Card (Singlemode, FC Connector)
- Limited 10-Year Manufacturer Warranty
Additional Resources
No additional resources available
Meridian Technologies DR-4A Specs
Audio
| Number of Channels |
4
|
| Impedance |
In/Out: 600 ohms (balanced / unbalanced)
|
| Frequency Response |
10 Hz to 20 kHz
|
| SNR |
>90 dB (weighted) @ 1 kHz
|
| Level |
In/Out: -6 to 6 dBm (4 Vpp maximum)
|
| Total Harmonic Distortion |
<0.01% @ 1 kHz
|
| Resolution |
24-bit
|
| Connector |
DB-9F
|
Optical
| Fiber Type |
Singlemode (FP laser)
|
| Fiber Size |
9 / 125 ?m
|
| Connector |
FC
|
| Optical Output |
-3 dBm
|
| Receiver Sensitivity |
-25 dBm
|
| Optical Budget |
22 dB
|
| Wavelength |
1300 nm
|
| Dynamic Range |
24 dB
|
| Maximum Distance |
31.1 miles (50.0 km)
|
| Bandwidth |
250 Mb/s
|
General
| Indicators |
1 x green (power on), 1 x bicolor (carrier present / error), 1 x bicolor (optical signal present / absent), 1 x green (audio present, one per channel), 1 x red (audio overload, one per channel)
|
| MTBF |
>200,000 hours @ 95?F (35?C) ground fix as per MIL 217F
|
| Power |
8 W maximum
|
| Temperature |
Operating: -29.2 to 165.2?F (-34 to 74?C)
Storage: 67 to 185?F (-55 to 85?C) |
| Relative Humidity |
0 to 95% (non-condensing)
|
| Dimensions |
6.3 x 4.0 x 1.7" (16.0 x 10.2 x 4.3 cm); uses 2 card slots in chassis
|
| Weight |
16 oz (450 g)
|
Packaging Info
| Package Weight |
2 lb
|
| Box Dimensions (LxWxH) |
10 x 7 x 3"
|
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 251120.1 |
| 3-5 | ₹ 248557.65 |
| 5-10 | ₹ 243432.75 |
| 10+ | ₹ 238307.85 |
Bulk discount will be automatically applied during checkout based on quantity.