ClearOne Converge Pro User Manual
Page 253
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Appendix B: Control/Status Port Default Pinouts 249
Converge Pro tH20: Port a (Female DB-25)
Pin #
user Definable
Control/Status
Default Description
1
Y
Control (input)
telco on
2
Y
Status (output)
telco on indicator
3
Y
Control (input)
telco off
4
Y
Status (output)
telco off indicator
5
Y
Control (input)
6
Y
Status (output)
7
Y
Control (input)
8
Y
Status (output)
9
Y
Control (input)
transmit Mute
10
Y
Status (output)
transmit Mute status
11
Y
Control (input)
Receive Mute
12
Y
Status (output)
Receive mute status
13
Y
Control (input)
14
Y
Status (output)
15
Y
Control (input)
16
Y
Status (output)
17
Y
Status (output)
18
Y
Status (output)
19
Y
Status (output)
20
Y
Status (output)
21
Y
Status (output)
22
Y
Status (output)
23
Y
Status (output)
24
Y
Status (output)
Ring indication
25
nA
nA
Ground
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