Perle Systems IOLINK-520 manual Console Pinouts

Link Interfaces Reference

Console Pinouts

The connector shown here and pinouts described here correspond to

the connector labeled “Console” on the back of the IOLINK-PRO & 520.

		13	1
		25	14
			DB25 Female DCE
	CCITT			Direction
Contact	Circuit		Circuit	To	From
Number	Number	Circuit	Name	DCE	DCE
1	101	AA	Protective Ground	NA
2	103	BA	Transmitted Data	X
3	104	BB	Received Data		X
5	106	CB	Clear to Send		X
6	107	CC	Data Set Ready		X
7	102	AB	Signal Ground		NA
8	109	CF	Received Line Signal Detector (CD)		X
20	108.2	CD	Data Terminal Ready	X
22	125	CE	Ring Indicator		X

Figure 3 - 3 Console Pinouts

The connecting cable must be a shielded cable.

When connecting the IOLINK router console directly to a modem, a null modem cable must be used because both the IOLINK router console and the modem are DCE devices. A null modem cable with pinouts according to the following figure must be used.

IOLINK Contact	Modem Contact
Number	Number
8	20
3	2
2	3
20	8
7	7
4	5
5	4
22	22

Figure 3 - 4 Console Null Modem Cable Pinouts

IOLINK-PRO & 520 Reference Manual — 3.3