ClearOne XAP 800 - Manual (Page 93)

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Appendices ~ Appendix B: Pinouts
Appendix B: Pinouts
RS-232 COM DCE port pinout (female)
Pin Number Control Pin Number Control
1 DCD 6 DSR
2 TXD 7 CTS
3 RXD 8 RTS
4 DTR 9 No connection
5 Ground
1 5
6 9
Figure B.1. RS-232 connector
PC XAP 800
DB-9
Male DB-9
Female
TXD (Pin 2)
RXD (Pin 3)
DTR (Pin 4)
GND (Pin 5)
CTS (Pin 7)
RTS (Pin 8)
TXD (Pin 2)
RXD (Pin 3)
GND (Pin 5)
CTS (Pin 7)
RTS (Pin 8)
Pin 6
Pin 9
Pin 4
Pin 1
Pin 9
Pin 6
Pin 1
XAP 800 Modem
Pin 3
Pin 2
Pin 3
Pin 7
DB-9
Male DB-25
Female
Pin 5
Pin 2
AMX XAP 800
TXD (Pin 2)
RXD (Pin 3)
GND (Pin 5)
RX2 (White)
TX2 (Red)
GND (Black)
DB-9
Female
Phoenix
Connectors
CTS (Pin 7)
RTS (Pin 8)
RTS2 (Green)
CTS2 (Blue)
AMX Modem
DB-25
Female
DB-9
Male
TXD (Pin 2)
RXD (Pin 3)
GND (Pin 5)
CTS (Pin 7)
RTS (Pin 8)
DTR (Pin 4)
TXD (Pin 2)
RXD (Pin 3)
RTS (Pin 7)
GND (Pin 6)
RTS (Pin 20)
CTS (Pin 4)
GND (Pin 5)
Figure B.2. XAP 800 to PC RS-232 connections Figure B.3. XAP 800 to Modem RS-232 Connections
Figure B.5. Modem to AMX RS-232 Connections Figure B.4. XAP 800 to AMX RS-232 Connections
ClearOne recommends that
all nine pins be connected to
avoid communication errors.
!