14
■Installing the Optional Network Board
The Network Board WJ-HDB502 is installed exclusively in
the WJ-HD500B Disk Recorder.
1. Unplug the power cord from the WJ-HD500B Digital
Disk Recorder, or disconnect the plug from the AC out-
let.
2. Remove the top cover of the Disk Recorder by remov-
ing the 11 screws, as shown in the figure.
3. Remove the small plate covering the 10/100BASE-T
port hole on the rear of the Disk Recorder by removing
the screw shown in the figure.
4. Remove the 6 screws on the board, as shown below,
disconnect the CN403, then turn over the Main Board
with the front side up.
Disk Recorder
WJ-HD500B
10/100BASE-T
CN403
Main Board
5. Connect one end of the supplied flat cable to the
brown-colored receptacle on the main board, as shown
in the figure.
6. Place the main board and CN403 as before, and
secure them by tightening the reinstalled screws.
7. Remove a screw on the bracket as shown in the figure,
and then fix a supplied grounding wire by tightening the
removed screw.
8. Place the Network Board on the brackets, as shown in
the figure, then secure it with the grounding wire by
tightening the 4 supplied screws.
9. Fix the 10/100BASE-T port to the rear panel with the
screw removed in step 3.
10. Connect the supplied DC power cable and the other
end of the flat cable to the board, as shown in the fig-
ure.
11. After installing the board, secure the top cover by tight-
ening the screws.
Main Board
Flat Cable
(Supplied)
Flat Cable
(Supplied)
DC Power Cable
(Supplied)
Tighten
10/100BASE-T
Network Board
Rear Panel
Grounding Wire