Datavideo SE-1200MU 6-Input Switcher and RMC-260 Controller Bundle - Manual (Page 11)

11
RS-232
For remote control interface such as RMC-260.
TALLY Output
The SE-1200 MU Tally Output Port provides bi-color tally
information (Red and Amber); Red indicates On-Air and Amber
indicates next camera source.
DC IN
Connect the supplied 12V / 19W PSU to this socket. The
connection can be secured by screwing the outer fastening ring of
the DC In plug to the socket.
Grounding Terminal
When connecting this unit to any other component, make sure
that it is properly grounded by connecting this terminal to an
appropriate point. When connecting, use the socket and be sure to
use wire with a cross-sectional area of at least 1.0 mm 2 .