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Port Type
4-Wire Ports
These are analog balanced line level input and output signals on a single RJ-45 connector.
Port Options
To Matrix
LQ’s default port option
Allows connection to matrix frames
To Panel
Allows connection to 4-wire devices by switching the pin polarity
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Baud Rate
9600 (Drake 4000)
Drake 4000 matrix frames
19200 (Eclipse)
ECS and Eclipse matrix frames
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Other Settings
4W Port Label
Clicking on a blue label header will allow you to change the name of the port.
Enter the new name and either press the <ENTER> key or click the blue check mark to apply changes.
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4W Port Input/Output
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Gain
-12 to +12 dB
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- Bitrate: 32, 48, 64, 128 kbps
- Packet size: 5ms, 10ms, 20ms, 40ms
- Jitter: (min – max) 40 - 100ms, 20 – 60ms, 5 – 60ms, to 0 – 60ms
- Unit latency: 65 – 125ms, 45 – 85ms, 5 – 60ms, 25 – 85ms
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• Pin Polarity: to Panel /to Matrix (default is ‘to Matrix’)
- Matrix allows connections to Matrix frames
- Panel allows connections to 4-wire devices
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- 19200 (Eclipse ECS and EHX matrix frames)
- 9600 (Drake 4000 matrix frames)
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Assignments Tab > Channels > Local Audio Mix
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Network Quality | Transmit Audio Bitrate | Transmit Audio Bandwidth | Transmit Packet Size | Receive Jitter (min - max) | Receive Unit Latency |
|---|---|---|---|---|---|
Very Low | 16 Kbps | 12 kHz | 60 ms | 60 - 200 ms | 80 - 220 ms |
Low | 32 Kbps | 12 kHz | 40 ms | 40 - 100 ms | 60 - 120 ms |
Balanced | 48 Kbps | 12 kHz | 20 ms | 20 - 60 ms | 40 - 80 ms |
High | 64 Kbps | 12 kHz | 10 ms | 5 - 60 ms | 25 - 80 ms |
Very High | 128 Kbps | 20 kHz | 5 ms | 3 - 60 ms | 23 - 80 ms |
Custom | 12 - 128 Kbps | 12 / 20 kHz | 5 - 60 ms | All Above 100 - 500 ms 200 - 1000 ms | +20 ms to the above depending on selected Custom Receive Jitter value |
| Note |
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Note: LQ-4W2 devices are not Matrix +3 compatible (solution dated Nov 2015) |