ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems DCN Next Gen 1 DCNNG CN Technology 02.Mar.06 Technology

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 2 DCNNG CN Technology 02.Mar.06 What is CobraNet ?  CobraNet is a combination of software, hardware and network protocol which allows distribution of many channels of real-time, high quality digital audio over an Ethernet network.  CobraNet uses standard Ethernet packets and network infrastructure (controllers, repeaters, switches, cabling…).  Audio is delivered in standard Ethernet packets over 100Mbit Fast Ethernet.  10Mbit Ethernet varieties (10BASE-T, Coaxial) are not supported due to their limited bandwidth. I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 3 DCNNG CN Technology 02.Mar.06 What is the audio delay through CobraNet?  256 samples (5-1/3 milliseconds [thousands of a second]) of delay is incurred by the buffering of audio data into Ethernet packets in CobraNet transmitters and receivers. Additional delay is incurred in analog to digital conversion, digital to analog conversion and sample rate conversion. These additional delays are usually on the order of dozens of samples.  Data on an Ethernet network travels at the speed of light. The time for data to traverse a 2 kilometer network is several microseconds (millionths of a second). This delay is inconsequential in light of the delays enumerated above. Therefore, the audio delay is considered constant from any input to any output anywhere on the network. I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 4 DCNNG CN Technology 02.Mar.06 Can I run CobraNet over an existing LAN?  Yes. As long as you're using a switched network, traffic from other network devices such as PCs can coexist on the same network with CobraNet devices. PC CobraNet Interface Switch Cat5 Max. 100m I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 5 DCNNG CN Technology 02.Mar.06  Bosch CobraNet Interface Device that contains a CobraNet interface board  CobraNet Interface board HW and SW supplied by Peak Audio (CM1)  Conductor CobraNet interface provides Master clock and transmission arbitration for the network. There can only be one conductor!! Terminology CM1 I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 6 DCNNG CN Technology 02.Mar.06  Audio Channel Single audio channel, 48kHz sample rate, bit resolution  Bundle Can carry 0-8 audio channels Bundles are numbered from 1 – A bundle has a single transmitter CM1 Terminology I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 7 DCNNG CN Technology 02.Mar.06  Multicast Bundle Point to multi point connection Bundle 1 – 255 are multicast bundles Audio is always transmitted, even when no one is receiving  Unicast Bundle Point to point connection Bundle 256 – are unicast bundles Audio is only transmitted if a receiver is connected to the same bundle CM1 Terminology I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 8 DCNNG CN Technology 02.Mar.06 Basics CobraNet channels CobraNet transmitters CobraNet bundles Fixed routing # nn Ethernet DCN Next Gen Optical Network AO 1 AO 4 AI 4 AI 1 CobraNet receivers CM1 LBB 4404/00 CobraNet interface 0 31 Audio channels I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 9 DCNNG CN Technology 02.Mar.06 Basics Block diagram CobraNet channels CobraNet transmitters CobraNet bundles Fixed routing # nn Ethernet DCN Next Gen Optical Network AO 1 AO 4 AI 4 AI 1 CobraNet receivers CM1 LBB 4404/00 CobraNet interface 0 31 Audio channels CobraNet receivers CobraNet channels CobraNet bundles CobraNet transmitters CM1 LBB 4404/00 CobraNet interface # nn Fixed routing AI 1 AI 4 AO 4 AO Audio channels I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 10 DCNNG CN Technology 02.Mar.06 Basics D/AA/D Network D/AA/D Network Screened microphone cables Audio Expander I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 11 DCNNG CN Technology 02.Mar.06 Basics Ethernet SRC Network SRC CobraNet interface 44.1 kHz 48 kHz 44.1 kHz 48 kHz SRC Network SRC CobraNet interface 44.1 kHz 48 kHz 44.1 kHz 48 kHz CobraNet interface Unicast Bundles I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 12 DCNNG CN Technology 02.Mar.06 Basics CAT5 (Cross cable) SRC Network SRC CobraNet interface 44.1 kHz 48 kHz 44.1 kHz 48 kHz SRC Network SRC CobraNet interface 44.1 kHz 48 kHz 44.1 kHz 48 kHz CobraNet interface I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 13 DCNNG CN Technology 02.Mar.06 Basics D/AA/D Network D/AA/D Network D/AA/D Network Screened microphone cables Audio Expander I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 14 DCNNG CN Technology 02.Mar.06 Basics SRC Network SRC CobraNet interface 44.1 kHz 48 kHz 44.1 kHz 48 kHz SRC Network SRC CobraNet interface 44.1 kHz 48 kHz 44.1 kHz 48 kHz SRC Network SRC CobraNet interface 44.1 kHz 48 kHz 44.1 kHz 48 kHz Ethernet CobraNet interface Unicast & Multicast Bundles I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 15 DCNNG CN Technology 02.Mar.06 Basics SRC Network SRC CobraNet interface 44.1 kHz 48 kHz 44.1 kHz 48 kHz SRC Network SRC CobraNet interface 44.1 kHz 48 kHz 44.1 kHz 48 kHz SRC Network SRC CobraNet interface 44.1 kHz 48 kHz 44.1 kHz 48 kHz Switch CobraNet interface CAT5 I & U Instructions

ST/PRM3-EU | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 16 DCNNG CN Technology 02.Mar.06 Technology End of section CobraNet Menu