Audio Expansion Board (AEB) (700-11-01)

Audio Expansion Board (AEB) (700-11-01)

  • Optional Interface for Analog I/O for Mercury MIU
  • Provides standard interface for analog inputs and outputs
  • Enables connection of up to 8 user panels per interface
  • Up to 4 Audio Expansion Boards per MIU
  • Each card has an 8-port capacity
  • Balanced and unbalanced audio input and output
  • Software-programmable I/O level adjustments for each port
  • RJ45 connectors for simple cable construction
  • Ideal for extending audio communications over IP
Item Part Number:
  • 700-11-01

Technical Specifications

Audio Interface
Number of ports: 8 per card. Max of 4 option cards per MIU
Type: Balanced audio on RJ45

Audio Input
Frequency response: 20Hz to 20kHz (16kHz sampling)
Nominal input level: 0dBu
Maximum input level: +20dBu
Input level adjustment: Via software from -10.5dB to +12dB

Audio Output
Input impedance: > 10kΩ
Frequency response: 20Hz to 20kHz (16kHz sampling)
Type: Electronically balanced on RJ45 connector
Output impedance: < 20Ω
Nominal output level: 0dBu
Maximum output level: +20dBu
Output level adjustment: Via software from -34.5dB to +12dB
including full mute option
Distortion: <0.05% when routed locally
Noise: < -60dB un-weighted

Panel Data
Type: RS422 balanced data, directly coupled
Data Rate: 230400 baud, 8 data bits, 2 stop bits, 1 start bit, no parity
Protocol: Proprietary
Recommended cable type: CAT6 STP
Maximum cable length: 300m

RJ45 Connector Pinout
Pin 1: RS422 Data In +
Pin 2: RS422 Data In –
Pin 3: RS422 Data Out +
Pin 4: Audio In –
Pin 5: Audio In +
Pin 6: RS422 Data Out –
Pin 7: Audio Out +
Pin 8: Audio Out –

Operating Temperature: 32 to 122°F (0 to 50°C)
Storage Temperature: -4 to 185°F (-20 to 85°C)
Operating Humidity: 0 to 90%, non-condensing, relative humidity

5.5 x 0.67 x 8.1 in (WxHxD)
(140 x 17 x 202 mm)

7.1 oz (200 g)

MTBF: 80,000 hours

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