คำอธิบาย
The VO-4e is an enhanced networked audio output expansion device allowing the user to add four line-level and CobraNet output channels to a Vocia system. The VO-4e can be configured for channel-to-channel or device-to-device failover and uses comprehensive fixed-chain digital signal processing within the device, including volume control, ducking, equalization, compressor/limiter, speaker crossover, delay, and output gain. Emergency messages for life safety systems are stored in non-volatile memory. Two RJ-45 connectors on the rear panel of the device provide redundant connectivity to process control data, audio, and power over a single Ethernet cable. The VO-4e also has dual inputs for accepting power from an auxiliary supply. The per-channel paging relay provides a contact closure when paging is active on an associated channel.
- CobraNet audio output
- Channel-to-channel and device-to-device failover
- Local non-volatile storage of Emergency Messages
- Dual PoE capable with alternate powering from auxiliary 24V DC supply (dual inputs)
- LED status and fault indication:
- Chassis Fault, Activity and Status
- PoE Power
- Aux Power
- Output Channel Amp Fault, Activity and Signal Present
- Four Page Active Relays, Control Inputs, and Control Outputs
- Speaker line monitoring and ambient noise compensation using ELD-1 and ANC-1
- Software-configurable signal processing including volume control, filters, compressor/limiting, delay, speaker equalization, and output level
- CobraNet audio/control with dynamic use of available bundles over single Ethernet cable
- Dual CobraNet ports for redundancy
- Rack mountable (1RU)
- Rotary switches for device identification
- IP30 Compliant
- CE marked and RoHS compliant
- Covered by Biamp Systems’ five-year warranty
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