Console pinouts – Perle Systems IOLINK-520 User Manual
Page 97
Interface Pinouts
IOLINK-520 & IOLINK-PRO Installation & Applications Guide — D.3
Console Pinouts
The connector shown here and pinouts described here correspond to the connector labeled
“Console” on the back of the IOLINK-520 & IOLINK-PRO.
DB25 Female DCE
13
1
25
14
Contact
Number
CCITT
Circuit
Number
IEEE
Circuit
Desig.
Circuit
Name
Direction
To From
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 D-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 router Contact
Number
Modem Contact Number
8
20
3
2
2
3
20
8
7
7
4
5
5
4
22
22
Figure D-4 Console Null Modem Cable Pinouts