Console pinouts, Link interfaces reference – Perle Systems IOLINK-PRO IOLINK-520 User Manual
Page 32
Link Interfaces Reference
IOLINK-PRO & 520 Reference Manual —
3.3
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
Contact
Number
CCITT
Circuit
Number
Circuit
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 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
Number
Modem Contact
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