Siemens SIMATIC IPC BX-39A Operating Instructions Manual page 14

Product description
1.4 External design of the device
⑪ Opening for expansion
interface X100
⑫ 4 status LEDs
Device with expansion slots
Other device variants (Page 43):
• with slot for one PCIe expansion card
• with slots for two PCIe expansion cards
You can find more information about expansion cards under "Expansion cards (Page 57)".
14
Interfaces of external expansion modules (M.2 format)
Status display of the operating state
Operating Instructions, 07/2022, A5E50715883-AA
SIMATIC IPC BX-39A