RS232C/DB9 ________ ( 1...5 ) \ 6..9 / `----' Pin Signal 1 DCD 2 RX 3 TX 4 DTR 5 SG 6 DSR 7 RTS 8 CTS 9 RI ___________________ RS232C/DB25 __________________ ( 13...........1 ) \ 25..........14 / `--------------' Pin Signal 1 GND 2 TX 3 RX 4 RTS 5 CTS 6 DSR 7 SG 8 DCD 12 Sec. DCD * 13 Sec. CTS * 14 Sec. TX * 15 TC 16 Sec. RX * 17 RC 19 Sec. RTS * 20 DTR 22 RI 24 TCO * Secondary channel, not often used on PC serial ports ___________________ RS422/DB9 ________ ( 1...5 ) \ 6..9 / `----' Pin Signal 1 SG 2 RTS+ 3 RTS- 4 TX+ 5 TX- 6 CTS- 7 CTS+ 8 RX+ 9 RX- ___________________ MMJ/RJ12 Connector Pinouts 123456 [||||||] [ ] [__ _] |__| Pin Signal 1 DTR 2 TX+ 3 TX- 4 RX- 5 RX+ 6 DSR ___________________ Lantronix RJ45 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 RTS 2 DTR 3 TX+ 4 TX- 5 RX- 6 RX+ 7 DSR 8 CTS ___________________ Digi RJ45 4 pair wire (Most boards; see below for exceptions.) 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 DSR/DCD * 2 RTS 3 GND 4 TX 5 RX 6 SG 7 CTS 8 DTR * When AltPin is in effect ___________________ Digi RJ45 5 pair wire (Most boards; see below for exceptions.) 1 1234567890 [||||||||||] [ ] [___ ___] |__| Pin Signal 1 RI 2 DSR/DCD * 3 RTS 4 GND 5 TX 6 RX 7 SG 8 CTS 9 DTR 10 DCD/DSR * * When AltPin is in effect ___________________ Digi RS232 RJ45 (SCSI/Etherlite) 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 RTS 2 DSR 3 DCD 4 RX 5 TX 6 GND 7 DTR 8 CTS ___________________ Digi RS422/485 RJ45 (SCSI/Etherlite) 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 RTS * 2 RX- 3 DCD * 4 RX+ 5 TX+ 6 GND * 7 TX- 8 CTS * * Always RS-232 even when in RS-422 mode ___________________ Digi DB-25 (SCSI/Etherlite) __________________ ( 13...........1 ) \ 25..........14 / `--------------' Pin Signal 2 TX 3 RX 4 RTS 5 CTS 6 DSR 7 SG 8 DCD 20 DTR ___________________ Digi RJ11 (Corrolary 8/tcII) 123456 [||||||] [ ] [_ _] |__| Pin Signal 1 2 RX 3 TX 4 GND 5 DCD 6 ___________________ Digi RJ45 (Corrolary 8/tcfmII) 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 GND 2 RTS 3 DTR 4 TX 5 RX 6 DCD 7 CTS 8 DSR ___________________ Comtrol RJ45 (Rocketport, Hostess) 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 RTS 2 DTR 3 SG 4 TX 5 RX 6 DCD 7 DSR 8 CTS ___________________ Comtrol RS422 RJ45 (Hostess) 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 TX+ 2 DTR * 3 SG 4 RX+ 5 RX- 6 DCD * 7 DSR * 8 TX- * Always RS-232 even when in RS-422 mode ___________________ Equinox RJ11 (SST-4I/RJ or SST-8I/RJ) 123456 [||||||] [ ] [_ _] |__| Pin Signal 1 DCD 2 RX 3 DTR/RTS * 4 SG 5 TX 6 CTS * Pin 3 acts as DTR when connected to a modem (i.e. it will be dropped when the operating system wants to disconnect the call). It will act as RTS when it is directly connected and hardware flow control is enabled. ___________________ Equinox 5 pair RJ45 (SST-16 connector panel, SST-64 or SST-128 modules, SST-4/M or SST-8/M fan-out cables) 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 RTS 2 DTR 3 RD 4 SG 5 TD 6 GND 7 DCD 8 CTS ___________________ Equinox 5 pair RJ45 (SST-16 connector panel, SST-64 or SST-128 modules, SST-4/M or SST-8/M fan-out cables) 1 1234567890 [||||||||||] [ ] [___ ___] |__| Pin Signal 1 RI 2 RTS 3 DTR 4 RD 5 SG 6 TD 7 GND 8 DCD 9 CTS 10 DSR ___________________ Equinox DB25 (STT-16 connector panel, SST-64 or SST-128 modules, SST-4/M or SST-8/M fan-out cables) __________________ ( 13...........1 ) \ 25..........14 / `--------------' Pin Signal 1 GND 2 TX 3 RX 4 RTS 5 CTS 6 DSR 7 SG 8 DCD 20 DTR 22 RI ___________________ Computone RJ45 (Intelliport II) 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 CTS 2 DTR 3 TX 4 SG 5 DCD/DSR 6 RX 7 RTS 8 GND ___________________ Computome DB25 (Intelliport II) __________________ ( 13...........1 ) \ 25..........14 / `--------------' Pin Signal 1 GND 2 RX 3 TX 4 CTS 5 RTS 6 DTR * 7 SG 8 DTR * 11 DSR ** 20 DCD 22 RI ** * Pins 6 and 8 are tied together internally ** II EXpandable only ___________________ Stallion RJ45 4 pair (EasyIO) 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 DCD 2 RTS 3 GND 4 TX 5 RX 6 SG 7 CTS 8 DTR ___________________ Stallion RJ45 5 pair (EasyIO) 1 1234567890 [||||||||||] [ ] [___ ___] |__| Pin Signal 1 RI 2 DCD 3 RTS 4 GND 5 TX 6 RX 7 SG 8 CTS 9 DTR 10 DSR ___________________ Stallion RJ12 (EasyIO8-M) Pin Signal 1 RTS/DTR 2 GND 3 TX 4 RX 5 SG 6 CTS/DCD ___________________ Stallion DB25 (EasyIO) __________________ ( 13...........1 ) \ 25..........14 / `--------------' Pin Signal 1 GND 2 TX 3 RX 4 RTS 5 CTS 6 DSR* 7 SG 8 DCD 20 DTR * Not supported on EasyIO Rev.3 boards ___________________ Sun DB25 (Sparcstation 2) __________________ ( 13...........1 ) \ 25..........14 / `--------------' Pin Signal 2 TX 3 RX 4 RTS 5 CTS 6 DSR 7 GND 8 DCD 20 DTR ___________________ Sun DB25 (ELC/SLC, Sparcstation 4, 5, 10, 20, LX and Ultra Enterprise 450) __________________ ( 13...........1 ) \ 25..........14 / `--------------' Pin Signal Port 2 TX A 3 RX A 4 RTS A 5 CTS A 6 DSR A 7 SG A 8 DCD A 12 DCD B 13 CTS B 14 TX B 15 TC A 16 RX B 17 RC A 18 TC B * 19 RTS B 20 DTR A 24 TCO A 25 TCO B * * Not connected on ELC/SLC (Note: TCO is transmit clock, DTE source, TC is transmit clock, DCE source) ____________________ Sun MD8 (IPC and IPX) Pin Signal 1 DTR 2 CTS 3 TX 4 SG 5 RX 6 RTS 7 DCD 8 RTXC (recieve clock) ____________________ Sun RJ45 (Netra T1) 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 RTS 2 DTR 3 TX 4 SG 5 SG 6 RX 7 DSR 8 CTS ___________________ SGI RS232 DB9F (Onyx, Challenge, Audio Serial Option) ________ ( 1...5 ) \ 6..9 / `----' Pin Signal 2 TX 3 RX 4 RTS 5 CTS 7 SG 8 DCD 9 DTR ___________________ SGI RS422 DB9F (Onyx, Challenge) ________ ( 1...5 ) \ 6..9 / `----' Pin Signal 2 TX- 3 RX- 6 SG 7 TX+ 8 RX+ ___________________ SGI RS422 DB9F (Audio Serial Option) ________ ( 1...5 ) \ 6..9 / `----' Pin Signal 1 TX+ 2 TX- 3 RX- 6 RX+ 7 SG ___________________ SGI RS232 DB9M (Octane, Onyx2, Origin 200, Origin 2000, O2) ________ ( 1...5 ) \ 6..9 / `----' Pin Signal 1 DCD 2 RX 3 TX 4 DTR 5 SG 7 RTS 8 CTS ___________________ SGI RS422/Mac DB9M (Octane, Onyx2, Origin 2000) ________ ( 1...5 ) \ 6..9 / `----' Pin Signal 2 RX- 3 TX- 4 TX+ 5 SG 6 RX+ 7 HSKo * 8 HSKi * * defined by Apple ___________________ SGI RS422/Mac DB9M (Origin 200) ________ ( 1...5 ) \ 6..9 / `----' Pin Signal 2 RX- 3 TX- 5 SG 6 RX+ 7 TX+ 8 HSKi ___________________ SGI RS232 MD8 (Indigo, Indy, Indigo2) Pin Signal 1 DTR 2 CTS 3 TX 4 SG 5 RX 6 RTS 7 DCD 8 GND ___________________ SGI RS422/Mac MD8 (Indy, Indigo2) Pin Signal 1 HSKo 2 HSKi 3 TX- 4 SG 5 RX- 6 TX+ 7 GPi 8 RX+ ___________________ Apple RS422/Macintosh MD8 Pin Signal 1 HSKo * 2 HSKi * 3 TX- 4 SG 5 RX- 6 TX+ 7 GPi * ** 8 RX+ * defined by apple; *not* part of the RS422 standard ** only used on A/V macs; not connected on other models ___________________ Okidata RS252 DB25 (ML320/321, ML520/521, ML390/391, ML590/591, PM3410/4410) Pin Signal 1 GND 2 TX 3 RX 4 RTS 6 DSR 7 SG 11 SSD 20 DTR ___________________ Cisco (RJ45) 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 RTS * 2 DTR 3 TX 4 SG 5 SG 6 RX 7 DSR 8 CTS * * may not be connected on console; only auxillery ___________________ Raritan (RJ45) 12345678 [||||||||] [ ] [__ __] |__| Pin Signal 1 RTS 2 DTR 3 TX 4 SG 5 SG 6 RX 7 DSR 8 CTS