Siemens FS720 Mounting & Installation page 178

Installing, exchanging and connecting modules
7
Module bus cards
Element
Slots
Connection terminals
Connector
Degraded mode
Internal bus
178 | 248
Building Technologies
Fire Safety
Des. Function
X1 Connector strip for module bus card 1
X2 Connector strip for module bus card 2
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
X15 Connector for degraded mode indicator [AT] of module bus
card 1
X25
Connector for degraded mode indicator [AT] of module bus
card 2
X501 Connector for module bus input
A6V10210390_m_en_--
2018-08-29