q Operate Indicator (OPERATE)
Is on when the power of the WJ-SX550C Matrix
Switcher is turned on.
w CPU Board (CPU)
A personal computer and printer can be connected to
this board.
Refer to the CPU Board on page 24 for more details.
e Control Board (CONTROL)
The system controllers can be connected to this board.
Refer to the Control Board on page 27 for more details.
r Video Input Board (INPUT)
The cameras and receivers are connected to this
board.
Refer to the Video Input Board on page 29 for more
details.
t Video Output Board (OUTPUT)
2
The video monitors can be connected to this board.
Refer to the Video Output Board on page 31 for more
details.
y Voltage Indicator (+9V, +5V, –5V)
These LEDs indicate the presence of +9 V, +5 V and
–5 V regulated DC voltages.
u Power Switch (POWER ON/OFF)
This switch is used to turn the Matrix Switcher power on
and off.
i Fuse Holder
o Power Cord
23