Specifications
24
RS232 15-Pin Connector Pinout
10
11
6
15
15
PIN EIA CCIT Designation
1 DCD 109 Data Carrier
Direct
6 RX 104 Receive Data
(out)
2 TX 103 Transmit Data
8 DTR 108.
2
Data Terminal
Ready
9 GND Signal Ground
7 DSR 107 Data Set Ready
12 RTS 105 Request to
Send
11 CTS 106 Clear to Send
RS
232
13 RI 125 Ring Indicator
4MICROPHONE (+)
5MICROPHONE (-)
10 SPEAKER (+)
Audio
15 SPEAKER (-)
Boot 3 BOOT
Reset 14 RESET