GE Industrial Solutions Digital Energy USB_RS232_Relay Interface Card - Manual (Page 5)

3.2 Installation procedure
Be sure that you have read and fully understood Chapter 1 “Important Safety Instructions”.
Step 1 Make all necessary connections
NOTE
The text ‘NO’ and ‘NC’ (normally open resp. normally closed) printed on the card reflects the ‘cold’
situation, i.e. when the card comes out of the box.
After installation, and during normal operation, pins 4-5 are open and 4-6 are closed.
modifications reserved
OPM_CON_ACC_REL_VHX_XGB_V010
4 Installation manual USB/RS232/Relay card VH Series 1.0 (GB)