9-Pin DB9 Male to Male Mini Null Modem Adapter NULL-A-9MM
Description:Although this is called a 9-pin null modem adapter because it fits into a 9-pin (DB9) socket, this adapter only has 8 pins. The 9th pin is not typically used in a null-modem adapter, so some manufacturers simply leave it out.Features:Brand: STSIManufacturer Part Number: NULL-A-9MM