SBC-776
34 SBC-776 Manual
BC-599/596
COM 1 RS-232 (CN15)
Pin Signal Pin Signal
1 SDCDB1X 6 SDSRB1X
2 SRXDB1 7 SRTSB1X
3 STXDB1 8 SCTSB1X
4 SDTRB1X 9 SRIB1X
5 GND 10 NC
COM 1 RS-232 (CN16)
Pin Signal Pin Signal
1 SDCDB2X 6 SDSRB2X
2 SRXDB2 7 SRTSB2X
3 STXDB2 8 SCTSB2X
4 SDTRB2X 9 SRIB2X
5 GND 10 NC
COM 1 (CN 15) & COM 2 (CN 16) Serial Ports

On board offer four set serial ports for serial devices connection.

Two of them are the D-Sub type, pin definition show as below, for

another two, please refer to page ?.