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Rear Panel Connections
Figure 1 shows the rear panel connections of the Unity 550 that are described in Figure 1.
Figure 1: Unity 550 rear panel view
Table 1: Unity 550 Interconnect Descriptions
CAUTION: Do not connect RJ-12 directly to phone line. Equipment damage may result
Front Panel Connections
Figure 2 show the Unity 550 front panel controls and describes them in Table 2. The IRD can be
controlled via
COMPEL Network Control, local terminal, modem (remote terminal) and On-Screen-
Display
push buttons. Normally, COMPEL is the primary method of controlling the IRD, while the other
control methods are supplemental.
Figure 2: Unity 550 Front Panel
Signal Connector Description
RF Switch IN - Port 1 F 950 to 2150 MHz signal accepted. LNB power available
RF Switch IN - Port 2, 3, 4 F 950 to 2150 MHz signal accepted. NO LNB power available
Main Video OUT Phono Jack NTSC or PAL, Composite video at 1 Vp-p
Monitor Video OUT Phono Jack NTSC or PAL, Composite video at 1 Vp-p
Audio OUT 1 (R & L) Two Phono Jacks Audio stereo
Audio OUT 2 (R & L) Two Phono Jacks Audio stereo
RS232 Port RJ-12 Serial Asynchronous Data. May be used for terminal, printer, or
modem (to remote terminal)
LCD
screen
bottom arrow
button
Enter
button
left arrow
button
right arrow
button
op arrow
button
LED
