Siemens FS720 - Page 178

Installing, exchanging and connecting modules
Module bus cards
7
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Building Technologies
A6V10210390_m_en_
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Fire Safety
2018
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08
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29
Element Des. Function
Slots X1 Connector strip for module bus card 1
X2 Connector strip for module bus card 2
Connection terminals X9 System supply connection
X11 Connection terminals for module bus card 1
X12 Connection terminals for module bus card 1
X21 Connection terminals for module bus card 2
X22 Connection terminals for module bus card 2
Connector
Degraded mode
X15
Connector for degraded mode indicator [AT] of module bus
card 1
X25
Connector for degraded mode indicator [AT] of module bus
card 2
Internal bus X501 Connector for module bus input