Contemporary Research SW-DX Manual - Manual (Page 7)

Contemporary Research 7 Display Express System Manual
Head End Installation
In most applications, the Display Express PC will be installed adjacent to a Contemporary Research ICC-HE Head
End or ICE-HE Ethernet Head End. Both can receive commands via RS-232 and insert the commands into the RF
system as a small control channel between TV channels 4 and 5. Instructions for connecting the DX PC to the ICE-
HE Ethernet Head End over IP are included on the next page. Additional instructions are included in the ICE-HE
Head End manual.
RS-232 Control
Check the front panel of the Head End, as shown above, and see if the last 3 DIP switches under the RS-232 LED
are set as follows:
 Switch 6 Off (Down)
 Switch 7 On (Up)
 Switch 8 On (Up)
This sets the speed of communication to 19,200 baud.
Next, connect the included RS-232 cable between the PC’s 9-pin RS-232 port or USB adapter to the RS-232 Remote
Control port on the back of the ICC-HE. The ICE-HE can also receive control commands via IP.
Tech Note. Do not use the RF IN on the HE to pass through the entire RF feed through the HE. It’s not
a combiner input and doesn’t pass any RF. Connect the RF OUT to a combiner input with the rest of
the cable and modulator feeds.