Siemens YASKAWA 840DI Maintenance Manual page 24

Bottom view
Top view
Don't push RESET button. The system will be rebooted by pushing the RESET button.
IMPORTANT
24VDC power supply
X1
COM1
PS/2 Mouse
LPT1
PS/2 Keyboard
PC card drive
Cooling fan
1-5
DC UPS module
(PROFIBUS-DP)
Backup battery for UPS
COM2
USB
Ethernet
MPI/DP
VGA
USB
+
Connector for external floppy disk drive
RESET
RESET button
1.2 Outside appearance
(MPI) (MPI/DP)
X101
X111 or X102
X121
(Handwheel,
Emergency stop,
UPS I/F)