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The 1RU DN9652 Dual Digital Audio Network Bridge from Klark Teknik allows you to connect MIDAS digital consoles, MIDAS digital I/O hardware, Klark Teknik DN9696 High Resolution Audio Recorders, and many other AES50 devices to many different multichannel digital audio networks. The DN9650 Network Bridge supports network modules designed and manufactured by Cirrus Logic Inc., Lab X Technologies, LLC, and Audinate Pty Ltd.
The Network Bridge provides bidirectional asynchronous sample rate conversion of up to 72 simultaneous channels of 24-bit resolution digital audio, between a three port AES50 digital audio interface and a third party network module interface in a standard 1RU high 19" rack mount chassis.
The DN9650 has one Ethernet Control Port for the purposes of remote configuration from a computer web browser interface and the updating of internal software. It features two clock domains (AES50 and third party network), separated by an Asynchronous Sample Rate Converter (ASRC), which has a bypass option with the facility to lock the Network Clock domain to the AES50 Clock domain.
The AES50 Clock domain supports selection of clock source from either the internal (on-board clock oscillator) or an external (incoming clock via AES50 ports) synchronization, Word Clock input, or Video Black Burst input which support incoming video synchronization signals in PAL/SECAM/NTSC formats in Standard Definition and High Definition resolutions.
The Network Clock domain supports clock synchronization to incoming clock via third party network module, Word Clock Input or Video Black Burst Input which support incoming video synchronization signals in PAL/SECAM/NTSC formats in Standard Definition and High Definition resolutions, as well as optionally slaving to the AES50 clock domain if the Sample Rate Converter is bypassed.
The Word Clock Output is capable of being derived from the AES50 Clock Domain, the Network Clock domain, or the Word Clock Input. The Dual Network Bridge has a precision clock reference provided by a temperature-controlled crystal oscillator with 1 part-per-million (1ppm) stability.
The Network Bridge has user-selectable functions for both the AES50 and Network Clock domains to stop an output clock if the corresponding input clock fails, to propagate network failures across the ASRC for the purposes of automatic or manual redundancy switchover. The Network Bridge supports data format word length truncation and dithering on data received via the AES50 ports, and transmitted via the third party network module interface.
Network Module interfaces
Two network interfaces each supporting up to 72 bidirectional channels of 24-bit 96 kHz audio
Data format word length truncation and dithering
Supports operation at 44.1 kHz, 48 kHz and 96 kHz sampling frequencies
High channel count asynchronous sample rate conversion (ASRC)
Bi-directional ASRC on every channel with bypass facility to isolate network domains
Platform-independent web browser configuration interface software hosted on integrated Linux web server
Ethernet port for remote computer connection for configuration and software updates
Ultra-high stability reference grade, 1 part per million (1 ppm) temperature controlled clock oscillator
User-selectable stop output clock facility if input clock fails to function, to propagate network failure across ASRC for automatic or manual redundancy switchover
Network module incoming and outgoing clocks, input and output word clock
Video black burst input (PAL/SECAM/NTSC formats in SD and HD resolutions)
Clock synchronization scheme divided into two network domains, separated by the ASRC, and either domain can be selected as clock master
AES50 clock source may be internal or external (incoming AES50 clock, word clock, and video black burst)
Network clock source may be incoming network module clock, word clock input, or video black burst input
1U High 19" rackmount
In the Box
Klark Teknik DN9652 Dual Digital Audio Network Bridge (1 RU)
Limited 3-Year Warranty
Table of Contents
Rear Panel: 1 x Neutrik EtherCon, Ethernet control port 1 x Third Party Network Module A interface 1 x Neutrik BNC, word clock input 1 x Neutrik BNC, word clock output 1 x Neutrik BNC, video black burst input (PAL / SECAM / NTSC) 1 x Third Party Network Module B interface 1 x IEC, power input
Front Panel: 1 x Backlit alphanumeric LCD display (16 characters x 2 lines) 1 x Green, Ethernet control activity 1 x Green, Network A clock status 1 x Red, Network A clock status 1 x Yellow, AES50 output 1 x Red AES50 output 1 x Yellow, network output 1 x Red, network output 1 x Green, network clock status 1 x Red, network clock status 1 x Asynchronous Sample Rate Converter ASRC ENABLED
Rear Panel: Power, reset
3 x AES50 ports with 24 bi-directional channels each, 24-bit, 96 kHz (a total of 72 channels)