ST950S Plus+ Installation and Commissioning Manual
Table 22. CPU IO Card Connector Pin Allocations (continued)
Pin
Top Row
Bottom Row
9
Output 2 Normally Open
Input 9
10
Output 2 Normally Closed
Input 10
11
N.C.
Input 11
12
N.C.
Input 12
13
Output 3 Common
Input 13
14
Connected to Pin 13
Input 14
15
Output 3 Normally Open
Input 15
16
Output 3 Normally Closed
Input 16
17
N.C.
Input 17
18
N.C.
Input 18
19
Output 4 Common
Input 19
20
Connected to Pin 19
Input 20
21
Output 4 Normally Open
Input 21
22
Output 4 Normally Closed
Input 22
23
N.C.
Input 23
24
N.C.
Input 24
25
0V
0V
26
0V
0V
3.13.1. Parts
•
ST950 CPU I/O kit 24in 4out - 667/1/46014/000
3.14. Intelligent Detector Backplane Card
The Intelligent Detector Backplanes (IDB) are mounted within the rack. Each IDB provide support
for the connection of up to 4 Loop Detector Cards, such as Yunex Traffic SLD4 or the WiMag Loop
Replacement Card.
The IDB connects via a ribbon cable to the Loop Termination Board mounted on the cabinet rear panel.
The Loop Termination Board provides the termination point for 16 Loop Feeder pairs, without the use of
any additional terminal blocks and twisted wire kits.
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