Communication Module
Installing a Radio
A radio providing wide-area network capability for SCADA
applications, if specified, is furnished factory-installed in
the communication module. Alternately, a user-furnished
radio can be installed in the field. Some radios must be
programmed using a cable connected to a computer. In
such instances, remove the radio tray assembly to connect
to the radio, and power the radio with the battery or a
separate power supply.
Follow these steps to install a radio in the com-
munication module:
STEP 1.
Loosen the battery compartment cover locking
screw and open the battery compartment cover.
See Figures 4 and 5 on page 8.
STEP 2.
Remove the five
¼
–20 bolts that attach the
radio tray assembly using a
⅜
-inch nut driver.
Retain the bolts. See Figure 8.
STEP 3.
Remove the radio tray assembly and place it on
a clean, dry surface.
Figure 8. Removing the radio tray assembly.
10 S&C Instruction Sheet 766-520
