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15
ATUC-50IU
①
100
116
100
86
117
173
100
50
24
φ
5
φ
5
φ
5
φ
12
25
13.5
②
③
④
⑤
38
⑥
⑦
⑧
⑨
Because the IU is intended to be embedded in a table, etc., when it is used, the user interfaces, such as displays, operating terminals, and input/
output terminals, can be customized according to their usage environment.
Specifications for the interfaces are as follows.
①
Microphone input terminal
Pin
number
Signal name
Explanation
Terminal
color
1
GND
Microphone input GND
Green
2
COLD
Microphone input balance
Supplies a phantom power supply of +48 V (possible to toggle on/off )
3
HOT
4
RING LED
For controlling ATUC-M LED
②
Speaker output terminal
Pin
number
Signal name
Explanation
Terminal
color
5
HOT
Speaker output
1.4 W, 8 Ω (impedance over 4 Ω)
Green
6
COLD
• We recommend using a shielded wire for the speaker output terminal. The GND shield in this case is connected to the GND pin (9).
③
Headphone output terminal
Pin
number
Signal name
Explanation
Terminal
color
7
L ch
Headphone output
15 mW 32 Ω
Green
8
R ch
9
GND
Headphone output GND