Connecting Using An Sm Cable - Extron electronics IN1804 Series User Manual

Connecting Using an SM Cable

The Contact/Tally connectors can also be used with Extron SM cables. Figure 15 shows
how to wire an SM cable to a contact input.
1
C T
Red
Figure 15.
For each SM cable:
Connect the red (contact) pigtail to the C pin corresponding to the input being used.
•
Connect the black (tally out) pigtail to the T pin.
•
NOTE:
voltage to drive the tally indicator are supplied by HDMI source device. Therefore, it is
not necessary to connect the cable to a G (ground) pin.
Black
SM
Cable
SM Cable Connecting Contact and Tally Ports
In an SM cable, the ground source needed to trigger the contact and the
IN1804 Seamless Scaling Switchers • Installation 20