ClearOne Converge Pro - Manual (Page 255)

Appendix B: Control/Status Port Default Pinouts 251
all Models: Port B (Female DB-25)
Pin # user Definable Control/Status Default Description
1 n Control (input) Preset Mask Bit 0
2 n Status (output) Preset indicator Bit 0
3 n Control (input) Preset Mask Bit 1
4 n Status (output) Preset indicator Bit 1
5 n Control (input) Preset Mask Bit 2
6 n Status (output) Preset indicator Bit 2
7 n Control (input) Preset Mask Bit 3
8 n Status (output) Preset indicator Bit 3
9 n Control (input) Preset Mask Bit 4
10 n Status (output) Preset indicator Bit 4
11 n Control (input) Preset Mask Bit 5
12 n Status (output) Preset indicator Bit 5
13 n Control (input) Preset Mask Bit 6
14 n Status (output) Preset indicator Bit 6
15 n Control (input) Preset Mask Bit 7
16 n Status (output) Preset indicator Bit 7
17 n Control (input) Preset Mask Bit 8
18 n Status (output) Preset indicator Bit 8
19 n Control (input) Preset Mask Bit 9
20 n Status (output) Preset indicator Bit 9
21 Y Control (input)
22 Y Status (output)
23 nA nA +3.3V 300 mA
24 nA nA +3.3V 300 mA
25 nA nA Ground
all MoDelS: rS-232 Port
Pin # user Definable Control
1 n DCD
2 n RxD
3 n txD
4 n DtR
5 n Ground
6 n DSR
7 n CtS
8 n RtS
9 n no connection
note: to avoid communication errors, Clearone recommends using all nine pins when
connecting to the RS-232 port.