Optimus COMPACT Installation And Operating Instructions Manual page 30

Backbone network specifications
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Bandwidth:
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3kbps of control data for each equipment and 1kbps additionally for each alarm.
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Matrix with 5 alarms → 3kbps (data) + (5 alarms * 1kbps) = 8kbps
Paging console with 2 alarms → 3kbps (data) + (2 alarms * 1kbps) = 5kbps
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Streaming audio channel according to the audio format protocol (configurable):
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- Note: Control (without alarms) + number of simultaneous channels * Type of format protocol = Bandwidth
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RAW PCM 48KHz, 4 channels, 100 equipment→ (3kbps * 100Eq.) + (4CH * 768kbps) = 3.4 Mbps
RAW PCM 48KHz, 4 channels, 50 equipment. → (3kbps * 50Eq.) + (4CH * 768kbps) = 3.2 Mbps
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RTP G.711 A-LAW 8KHz, 4 channels, 100
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RTP G.711 A-LAW
Switch/Router specifications for LAN and WAN networks
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Protocols:
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TCP/IP for control/signalization/status monitoring.
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UDP unicast for Local Audio.
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UDP multicast for Global Audio.
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Multicast snooping:
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Multicast filtering.
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IGMP v2.
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For large installations:
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Multicast Routing (Spanning Tree).
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Capable to handle TOS (Type of Service).
COMPACT version 5.2.002 ENG
COMPACT
4ETH
Example:
RAW PCM 48KHz / 16 bits: 768kbps for each audio channel.
RAW PCM 24KHz / 16 bits: 384kbps for each audio channel.
RAW PCM 16KHz / 16 bits: 256kbps for each audio channel.
RAW PCM 8KHz / 16 bits: 128kbps for each audio channel.
RTP L16 RAW PCM 44KHz / 16 bits: 705.6kbps for each audio channel.
RTP G.711 µ-LAW 8KHz / 8 bits: 64kbps for each audio channel.
RTP G.711 A-LAW 8KHz / 8 bits: 64kbps for each audio channel.
, 4 channels, 50 equipment. → (3kbps * 50Eq.) + (4CH * 64kbps) = 0.4 Mbps
8KHz
Total data=13kbps
.→ (3kbps * 100Eq.) + (4CH * 64kbps) = 0.56 Mbps
equipment
Modular audio matrix
with IP connection
R + D Department
30