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8.3 NDV-1950 Recording Control Unit
Performance
a)
Interface to the fixed protective capsule unit
1)
Standard
2)
Protocol
3)
Power supply
b)
Interface to the float-free capsule unit
1)
Standard
2)
Protocol
3)
Power supply
c)
Sensor data input
1)
Standard
2)
Input channel
3)
Recording interval
d)
Bridge audio input
1)
Interface
2)
Input channel
3)
Recording interval
4)
Frequency response
e)
VHF communications audio input
1)
Interface
2)
Input channel
3)
Recording interval
4)
Frequency response
IEEE802.3 (10Base-T/100Base-TX)
TCP/IP
Supply from the RCU
IEEE802.3 (10Base-T/100Base-TX)
TCP/IP
Supply from the RCU
Power over Ethernet (IEEE802.3af)
IEC61162-1/-2/-450
Up to 48 channels
IEC61162-2: up to 2 channels
IEC61162-1: up to 22 channels
IEC61162-450: up to 24 channels (sensor sources
on the network)
Depends on the input from the sensors (usually 1
second)
Audio signal (microphone unit output)
Up to 12 channels
6 tracks, 1 track is synthesized from 2 channels
Continuous (1 audio file per minute)
150Hz to 6kHz
0 dBm, 600-ohm balance
Up to 4 channels
2 tracks, 1 track is synthesized from 2 channels
Continuous (1 audio file per minute)
150Hz to 3.5kHz
Chapter 8 Specifications
123
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