Acnodes PC 5152 - Manual (Page 14)

P in Signal Pin Signal
1 Dat a Ca rrier De tect (DCD) 6 Dat a Se t Re ad y (DSR)
2 Rece ive Da ta (RXD) 7 Req ue st To Se nd (R TS)
3 Tran smit D at a (TXD) 8 Clea r To Se nd (CTS)
4 Dat a Te rmina l R ea dy (DT R) 9 Ring I nd icat or (RI )
5 Gr ou nd (GND)
COM 1 JP 7 JP8 JP 9
RS-2 32 (d ef au lt ) 3-5, 4-6 3-5, 4-6 1-2
RS-42 2 1-3, 2-4 1-3, 2-4 3-4, 7-8
RS-48 5 1-3, 2-4 1-3, 2-4 5-6, 7-8
2.2 Seria l Ports Interface
The FPC5152 has two onboard serial ports, COM1 (RS-232/ 422/ 485), COM2 (RS-232)
and COM3 (RS-232).
The following table shows you the pin assignments of this connector:
In addition, COM1 can be set for RS-232/422/485 by jumper. The jump setting is listed as below: