External I/O Connector - 1625

Applies to Closed1625 DB25F I/O Adapter Cable.

Connector description

Property Value
Name, Label External I/O
Type 25-pin female sub-D connector with UNC4-40 jack socket screws
Location Card bracket
Usage General purpose I/O and power output

Pin assignments

Standard I/O set #1

Pin Signal Usage
1 GND Ground
2 DIN11+ High-speed differential input #11 – Positive pole
3 DIN11- High-speed differential input #11 – Negative pole
4 DIN12+ High-speed differential input #12 – Positive pole
5 DIN12- High-speed differential input #12 – Negative pole
6 IIN11+ Isolated input #11 – Positive pole
7 IIN11- Isolated input #11 – Negative pole
8 IIN12+ Isolated input #12 – Positive pole
9 IIN12- Isolated input #12 – Negative pole
10 IIN13+ Isolated input #13 – Positive pole
11 IIN13- Isolated input #13 – Negative pole
12 IIN14+ Isolated input #14 – Positive pole
13 IIN14- Isolated input #14 – Negative pole
14 IOUT11+ Isolated contact output #11 – Positive pole
15 IOUT11- Isolated contact output #11 – Negative pole
16 IOUT12+ Isolated contact output #12 – Positive pole
17 IOUT12- Isolated contact output #12 – Negative pole
18 TTLIO11 TTL input/output #11
19 GND Ground
20 TTLIO12 TTL input/output #12
21 GND Ground
22 Not connected
23 GND Ground
24 +12V +12 V Power output
25 +12V_RTN Ground

Standard I/O set #2

Pin Signal Usage
1 GND Ground
2 DIN21+ High-speed differential input #21 – Positive pole
3 DIN21- High-speed differential input #21 – Negative pole
4 DIN22+ High-speed differential input #22 – Positive pole
5 DIN22- High-speed differential input #22 – Negative pole
6 IIN21+ Isolated input #21 – Positive pole
7 IIN21- Isolated input #21 – Negative pole
8 IIN22+ Isolated input #22 – Positive pole
9 IIN22- Isolated input #22 – Negative pole
10 IIN23+ Isolated input #23 – Positive pole
11 IIN23- Isolated input #23 – Negative pole
12 IIN24+ Isolated input #24 – Positive pole
13 IIN24- Isolated input #24 – Negative pole
14 IOUT21+ Isolated contact output #21 – Positive pole
15 IOUT21- Isolated contact output #21 – Negative pole
16 IOUT22+ Isolated contact output #22 – Positive pole
17 IOUT22- Isolated contact output #22 – Negative pole
18 TTLIO21 TTL input/output #21
19 GND Ground
20 TTLIO22 TTL input/output #22
21 GND Ground
22 Not connected
23 GND Ground
24 +12V +12 V Power output
25 +12V_RTN Ground