Optional Components - Siemens FS20 Application Manual
Fire detection system lightning protection and voltage surge protection
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Also See for FS20:
- Mounting & installation (354 pages) ,
- Planning manual (242 pages) ,
- Commissioning, maintenance, troubleshooting (188 pages)
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Interface types
7
Optional components
7.4 Optional components
24 | 42
Building Technologies
Fire Safety
Component
Designation
Table 4: Interface types on periphery boards
Component
Designation
FCI2003-A1 Loop extension (FDnet)
Interface
Pin
Type
X21
1
D
2
D
3
D
4
D
X22
1
D
2
D
3
D
4
D
Interface
Pin
Type
X13
1
D
2
D
3
D
4
D
X14
1
D
2
D
3
D
4
D
2016-04-04
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