Audio Technica ATUC-M58H Instruction Manual page 16

④ Status output terminal
Pin
Signal name
number
TALK LED :
10
OPEN/CLOSE
TALK LED :
11
LOW/HI
12 FLOOR LED
13 LANGUAGE1 LED
14 LANGUAGE2 LED
15 LANGUAGE3 LED
⑤ Operation input terminal
Pin
Signal name
number
16 CHANNEL
17 VOL. UP
18 VOL. DOWN
19 TALK ON
20 CUT/MUTE
TALK ON
21
(INVERT)
⑥ Power supply output terminal
Pin
Signal name
number
22 5 V
23 GND
⑦ General purpose input terminals (GPI)
Pin
Signal name
number
24 GPI0
25 GPI1
26 GPI2
27 GPI3
28 GPI4
29 GPI5
30 GPI6
31 GPI7
Explanation
Talk ON: Close
Talk OFF: Open
Requesting to talk (waiting): blinks
Talk request is rejected: blinks quickly
Terminal for AT8657/LED and U891RCx
Talk ON: +5 V
Talk OFF: 0 V
On/off operations are synchronized with the open/close operations for the
TALK LED pin (10)
Selecting the floor channel on the monitor channel
W hen selected: Close
W hen unselected: Open
Selecting group 1 on the monitor channel
W hen selected: Close
W hen unselected: Open
Selecting group 2 on the monitor channel
W hen selected: Close
W hen unselected: Open
Selecting group 3 on the monitor channel
W hen selected: Close
W hen unselected: Open
Explanation
Selecting the monitor's channel
Adjusting the headphones' volume
Request to talk
Yes: Close
No: Open
Request to mute/cut microphone
Yes: Close
No: Open
AT8657/LED dedicated terminal
Request to talk
Yes: +5 V
No: 0 V
The function of this pin is the same as that of the TALK ON pin (19)
*W hen there is a TALK ON or TALK ON (INVERT) request to talk, the
system handles them both as requests to talk.
Explanation
Power supply for LED is 5 V
Power supply GND
Explanation
General purpose input terminal 0
General purpose input terminal 1
General purpose input terminal 2
General purpose input terminal 3
General purpose input terminal 4
General purpose input terminal 5
General purpose input terminal 6
General purpose input terminal 7
16
Terminal
color
Black
Terminal
color
Black
Terminal
color
Black
Terminal
color
Black