RC40/RD40 liittimien pinoutit: Käyttölaitteen liitin: 1 SCL 2 SDA 3 I2C-INT 4 VS 5 HOOK 6 AGND 7 MIC 8 MIC_OUT 9 PTT 10 ON_OFF 11 GND_DIGIT 12 LSP 13 EMERG_PTT 14 GND_ANALOG 16 HF_MIC_OUT 16 NC Takapaneelin liitin: 1 RSSI 2 Tx_Q Transmitted Quick data 3 Rx_Q Received Quick data 4 VS 5 MIC 6 ERP EaRPhone 7 LSP (DC-erotettu kaiutin, monofonin kaiutin tämän ja maan väliin) 8 LSP1 Isompi kaiutin, + 9 LSP2 Isompi kaiutin, - 10 LSP2 Isompi kaiutin, - 11 LSP1 Isompi kaiutin, + 12 HOOK 13 RxD (RS232) 14 TxD (RS232) 15 RTS (RS232) 16 0V 17 0V 18 +12V 19 +12V 20 MIC_IN 21 AGND 22 PTT 23 GND 24 CRM Car Radio Mute 25 IGN Ignition sensor 26 SCL I2C 27 ON_OFF 28 DSR (RS232) 29 CTS (RS232) 30 DCD (RS232) 31 0V 32 0V 33 +12V 34 +12V 35 HF_MIC_IN 36 AGND 37 PTT_HF 38 GND 39 ALARM 40 SDA I2C 41 I2C_INT I2C 42 CLK_RS232 Async. clock (RS232) 43 DTR (RS232) 44 RI (RS232)