Com1 Connector Rs-232/Rs-485 (Com1_4; Lpt1/Com2 Rs-232 Connector (Parcom2 - Xycom AHIP6+ Manual

AHIP6+ Manual

COM1 Connector RS-232/RS-485 (COM1_4)

'A' denotes the lower connector (RS-232) and 'B' denotes the upper
connector (RS-485).
For TXD termination, connect a 150W, ½ watt resistor from pin 3B to
pin 4B, with pin 1B connected to pin 3B and pin 2B connected to pin 4B.
For RXD termination, connect a 150W, ½ watt resistor from pin 8B to
pin 9B, with pin 6B connected to pin 9B and pin 7B connected to pin 8B.

LPT1/COM2 RS-232 Connector (PARCOM2)

C-2
Pin Signal
1A DCD1
2A RXD1
3A TXD1
4A DTR1
5A GND
6A DSR1
7A RTS1
8A CTS1
9A RI1
Pin Signal
1A STROBE
2A PD(0)
3A PD(1)
4A PD(2)
5A PD(3)
6A PD(4)
7A PD(5)
8A PD(6)
9A PD(7)
10A PACK
11A PBUSY
12A PE
13A SELECT
14A AUTOFEED
15A PERROR
Pin Siganl
1B TXD-
2B TXD+
3B TXD TERM -
4B TXD TERM +
5B GND
6B RXD-
7B RXD+
8B RXD TERM +
9B RXD TERM -
Note
Note
Pin Signal
1B ORB_GND
2B TXD2
3B RXD2
4B RTS2
5B CTS2
6B DSR2
7B GND
8B DCD2
9B NC
10B NC
11B PB_RESET*
12B NC
13B NC
14B NC
15B NC