2.5m Serial null modem cable ( No handshake) RS232 DB9 DB9 female to female P/N 1310.2260 Thermo Dionex HPLC Condition is "Used". Wired as below Dispatched with Royal Mail 2nd Class. 1-nc 2-3 3-2 4/6 loop nc 5-5 6/4 loop nc 7/8 loop nc 8/7 loop nc 9 nc