LOOKING AT RADIO
XTS3000
8 GND
9 BUSY
13 BUS+
LOOKING AT RADIO
XTS5000
1 OPT_SEL1
2 EXT_SPKR
3 EXT_MIC
4 OPTB+/VPP
5 OPT_SEL2
6 SPKR_COM
7 RTS
8 GND
9 SB9600_BUSY
10 CTS
11 RS232_DOUT/USB_D+
12 RS232_DIN/USB_D-
13 SB9600_DATA/KEYFAIL