Siemens FS720 Mounting & Installation page 89

6.8.2.2 X14 connection loop 4
Building Technologies
Fire Safety
Pin Designation
4 4_2-
3 4_2+
2 4_1-
1 4_1+
Admissible cable cross-section: 0.2...1.5 mm²
X14
4_2– -
4_2+ +
4_1– -
4_1+ +
● One loop or two stubs can be connected to the ↑ loop extension (C-NET).
● The plug for the loop extension (C-NET) is always located at the corresponding
↑ detector line connection.
Installing, exchanging and connecting modules
Description
↑ Loop extension for loop 4 or ↑ stub 8 (–)
Loop extension for loop 4 or stub 8 (+)
Loop extension for loop 4 or stub 7 (–)
Loop extension for loop 4 or stub 7 (+)
4
3
2
1
6
Loop extension
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2015-12-15