Radio Design Labs RU-BNF Format-A Bi-Directional Network Interface

$595.68
PA SKU # RDL RUBNF MFR # RU-BNF
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  • Product Highlights
  • RDL Format-A to Dante
  • 4 Dante Network Audio Signals
  • 3 Channels Output Format-A
  • 1 Channel Outputs Balanced Line
  • Signal LEDS for Each Dante Channel
  • A/D & D/A Conversion
  • Easy Installation

Format A Bi-Directional Network Interface - Format A - Bal Line Aux Inputs - Dante Input - 3 Format A - 1 Balanced Line Aux Outputs - Dante Output

The RU-BNF modules are Dante audio network interface products compatible with RDL Format-A twisted pair products. These modules are designed to be mounted in equipment racks, closets, conference tables and on shelves or backboards in commercial/industrial installations.

APPLICATION: The RU-BNF is an RDL Format-A sender/receiver that connects to a Dante-enabled network, providing all the features of an RDL RU-FN Format A to Network Interface and an RU-NFD Network to Format-A Interface/Distributor.

Network to Format-A Interface/Distributor Section

The RU-BNF converts three Dante audio channels to RDL Format-A. Each network channel corresponds to Pair A, B or C of the Format-A outputs. The unit converts a fourth Dante audio channel to a balanced line-level AUX output.

One front-panel green signal LED corresponds to each of the four Dante input channels. Received audio level is indicated on the variable-intensity LED indicator, facilitating setup when a networked computer is not connected at the module's location.

The Format-A output is distributed to three separate rear-panel RJ45 jacks. Each Format-A output jack provides up to 200 mA of power to connected Format-A receivers. Multiple receivers may be daisy chained from one output jack, or may be connected by home run to each of the three outputs. Higher current Format-A receivers, such as RDL D-PSP1A powered Decora-style speakers, are to be individually connected to a separate output jack.

The RU-BNF output jacks support the entire range of Format-A receivers, making each output pair available for end-user connection on various wall plates, or feeding other equipment using rack-mounted, shelf-mounted or utility Format-A receivers. The wide array of Format-A receivers provide compatibility with commercial audio equipment operating at standard professional levels. High resolution digital audio converters coupled with RDL's renowned analog filters provide superior fidelity with a very low noise floor. Each Format-A receiver may be connected near the RU-NFD or up to several thousand feet distant.

Format-A to Network Interface Section

The RU-BNF converts the three Format-A audio pairs to Dante networked digital audio channels. Each network channel corresponds to Pair A, B or C of the Format-A input. The unit converts a fourth input, balanced or unbalanced line-level AUX, to Dante.

One front-panel green signal LED corresponds to each of the three Format-A input channels. Received audio level is indicated on the variable-intensity LED indicator, facilitating setup when a networked computer is not connected at the module's location. A Dual-LED VU meter facilitates adjustment of the front-panel AUX input gain control. The AUX input supports the complete range of normal unbalanced and balanced line-level sources.

The Format-A input jack provides up to 200 mA of power to connected Format-A senders. Multiple senders may be daisy chained from the Format-A input jack.

The RU- BNF Format-A input supports the entire range of Format-A senders, making each input pair available for end-user connection on various wall plates, or receiving signals from other equipment using rack-mounted, shelf-mounted or utility Format-A senders. The wide array of Format-A senders provides compatibility with commercial audio equipment operating at standard professional levels. High resolution digital audio converters coupled with RDL's renowned analog filters provide superior fidelity with a very low noise floor. Each Format-A sender may be connected near the RU- BNF or up to several thousand feet distant.

The RU-BNF is powered from an external 24 Vdc power supply, available separately. The external supply powers the RU-BNF, Format-A senders connected to the Format-A input jack and Format-A receivers connected to all three Format-A outputs. The RU-BNFP is equipped for PoE which powers the RU-BNF, Format-A senders connected to the Format-A input, and Format-A receivers connected to the primary Format-A output jack. Audio is also distributed to the other two output jacks. Remote Format-A receivers connected to those other two output jacks are only powered from the RU-BNFP if an external 24 Vdc power supply is connected. If PoE power and an external 24 Vdc supply are both feeding an RU-BNFP, the unit will run from the external supply and will seamlessly switch over to PoE power upon loss of the external 24 V supply. The power feeding each Format-A RJ45 connector is separately protected by an automatically resetting fuse. A power LED is associated with each connector, facilitating identification of wiring faults.

PoE relies on the use of a PoE enabled network switch. The RU-BNF will reserve power from the switch even while being powered from an external 24 Vdc supply.

The RU-BNF is constructed in a durable, professional all-metal enclosure suitable for free-standing, surface-mounted or rack-mounted operation. This full-featured product is engineered and manufactured in the U.S.A for continuous duty in demanding installations. Built to last. Built to outperform.
  • Converts RDL Format-A and Aux Source to Four Dante Network Channels
  • Easy Installation with Format-A Connections on RJ45 through CATx Cable
  • Format-A Audio Sources from Pairs A, B and C Converted to Dante
  • Fourth Dante Audio Channel Fed from Unbalanced or Balanced Aux Line Input
  • Front-Panel Gain Adjustment with Dual-LED VU Meter for Aux Input
  • Signal LEDs Indicate Audio for Each of the Three Audio Source Format-A Pairs
  • Converts Four Dante Network Audio Signals to RDL Format-A and Aux
  • Three Dante Audio Signals Feed Format-A Output Pairs A, B and C
  • Fourth Dante Audio Signal Feeds Auxiliary Balanced +4 dBu Line Output
  • Format-A Pairs are Distributed to Three Separate Format-A Output Jacks
  • Signal LEDs Indicate Audio for Each of the Four Received Dante Audio Signals
  • External 24 Vdc Supply Powers All Connected Format-A Modules through RJ45 Jacks
  • PoE (RU-BNFP) Powers Format-A Input and Primary Format-A Output RJ45 Jacks
  • High Resolution 24 Bit Analog to Digital and Digital to Analog Conversion
  • Legendary RDL Analog Filtering Enhances Superb Audio Performance
  • LED Indicators Show Network Sync Status
  • Normal or Hot-Standby Operation from PoE (Model RU-BNFP)
  • Compatible with Wide Array of RDL Format-A Active and Passive Senders and Receivers
  • Equipped for Rack Mounting or Surface Mounting
  • Network Connector: RJ45 with Link and Speed indicators
  • Digital Audio Ethernet Protocol: Dante
  • Transmission Rate: 100 Mbps
  • Sample Rates Supported: 44.1 kHz, 48 kHz (default)
  • Bit Depth Supported: 24 bits
  • Audio Operating Levels: -18 dBFS = +4 dBu
  • Format-A to Network Interface Section
  • Format-A Input: RDL Format-A RJ45
  • Format-A Signal Pairs Used (3): A, B, C
  • Frequency Response: 20 Hz to 20 kHz (± 0.5 dB)
  • THD+N: < 0.1%
  • Noise below +4 dBu: < -75 dB
  • CMRR: > 90 dB (50 Hz to 120 Hz, any input pair)
  • Crosstalk: < 80 dB (20 Hz to 20 kHz)
  • Headroom above +4 dBu: > 18 dB
  • AUX Input
  • Input: Balanced, detachable terminal block
  • Input Impedance: > 20 kΩ
  • Input Level for +4 dBu: -16 dBu to +12 dBu, +22 dBu maximum
  • Frequency Response: 20 Hz to 20 kHz (± 0.75 dB)
  • THD+N: < 0.1%
  • Noise below +4 dBu: < -75 dB
  • CMRR: > 60 dB (50 Hz to 120 Hz)
  • Crosstalk: < 80 dB (20 Hz to 20 kHz)
  • Headroom above +4 dBu: > 18 dB
  • Network to Format-A Interface/Distributor Section
  • Format-A Outputs: RDL Format-A RJ45 (3)
  • Format-A Signal Pairs Used (3): A, B, C (each Format-A output)
  • Frequency Response: 20 Hz to 20 kHz (± 0.75 dB)
  • THD+N: < 0.1%
  • Noise below +4 dBu: < -85 dB (pair active); < -100 dB (pair muted)
  • Crosstalk: < 80 dB (20 Hz to 20 kHz)
  • Headroom above +4 dBu: > 18 dB
  • AUX Output
  • Output: Balanced, detachable terminal block
  • Output Level: +4 dBu (nominal)
  • Output Impedance: 150 Ω balanced; 75 Ω unbalanced
  • Frequency Response: 20 Hz to 20 kHz (± 0.5 dB)
  • THD+N: < 0.1%
  • Noise below +4 dBu: < -75 dB
  • Crosstalk: < 80 dB (20 Hz to 20 kHz)
  • Headroom above +4 dBu: > 18 dB
  • Indicators (18): Power In (1); Power Out (4); Audio Signal LEDs (7); AUX Dual-LED VU Meter (2); Network Sys and Sync (2), Ethernet Link and Speed (2)
  • Power Connections (2): Power Jack; Detachable Terminal Block
  • Ambient Operating Environment: 0° C to 40° C
  • Power Requirement: 24 Vdc @ 150 mA plus connected loads, or PoE (RU-BNFP)
  • PoE (RU-BNFP): Class 0, IEEE 802.3af
  • Dimensions: 5.8" (15 cm) W; 1.7" (4.3 cm) H; 5.2" (13.2 cm) D
  • Package Type: Cardboard Box
  • Package Dimensions: 6 x 6 x 2.625 in.
  • Shipping Weight: 1.72 lbs. (RU-BNF); 1.745 lbs. (RU-BNFP)
  • WEEE weight: 1.46 lbs. (RU-BNF); 1.485 lbs. (RU-BNFP)
  • Tariff code: 8517.18.0050
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