Omega Speaker Systems VR200 - Manual (Page 7)

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1.2 Interface Terminal
1.2.1 Terminal Assignment
MEMORY
SD A SD B SG G (signal ground)
RD A RD B FG G (frame ground)
Connect RD to TD of the host computer.
Connect SD to RD of the host computer.
Option terminal Indication of RS-422-A terminals
Figure 1.1 Terminal Assignment
1.2.2 Cable Termination
Shield potential
RS-422-A terminals
Terminal screws: ISO M4, 6 mm long
Use crimp-on lugs (for 4 mm screws) with
insulation sleeves for the leadwire ends.
Figure 1.2 Cable Termination
To prevent an electric shock, ensure that the main power supply is turned off.