Lumens Technology VC-A50S - Manual (Page 38)

English - 37
2. Peel off a section of copper wire (AWG Nos. 28 to 18) and insert it into
the connector hole; then use flat screw driver to fix it
3. Insert the wired RS-422 connector back to the camera. Now the
connection is completed
When RS-422 connection is being used, do not use
RS-232C connection.