Siemens ST950 Plus+ - Page 52

ST950 Plus+ User Manual
ST950 Plus+ User Manual
Page 52 of 176
667/HE/53000/000
Issue 2
Unrestricted
GSPI comms
OUT to next
IDB
GSPI comms
IN from
Processsor or
previous IDB
Address
Switch
Input 24V DC- /AC
Input 24V DC+ /AC
Output 24V DC- /AC
Output 24V DC+ /AC
Twist and Flat Ribbon
Cable to Loop
Termination Board
Figure 26 – Intelligent Detector Backplane (rear view)