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3.2 Configuration
The CMU2 is able to recognize up to three communication ports for
PMBus or CAN bus device addressing, each port recognized as an
i n d e p e n d e n t g ro u p . B e f o re c o n n e c t i n g r a c k p o w e r s t o a
communication port of the
, please make sure these units have
CMU2
their unique and own device address to prevent communication
issues caused by duplicate addressing. Locations of these three
ports are illustrated below, devices connected to port A will be
assigned and displayed address 0
15; port B will be address 16
31;
–
–
port C will be address 32 47.
–
JK51
A
A
C
C
B
B
JK52
PMBus version Port: JK51, Port: JK900 and Port: JK901
CANBus version Port: JK52, Port: JK600 and Port: JK601
JK901
JK601
JK900
JK600
N
: If there are less than 16 devices connected to the communication
ote
port, the vacant address will display disconnect.
For example: connect 8 units of DRP-3200 to the port B and
designate the addresses of these 8 devices as 0-7. Then on the
CMU2, it will only display 16-23 online, the remaining 0-15 and
24-47 will be displayed disconnect.
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3.3 SD ard nstallation
C
I
CMU2 supports SDHC type SD cards with capacity of 4G - 32G
Before installing a SD card, please remove the top cover of the
standalone version, the top cover is locked by 8 clips
.
The 8 clips can be released with a flat-blade screwdriver. After
inserting the flat-head screwdriver into the gap between the
top cover and the body, apply a little force to unlock the clips.
Standalone ype
t
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2
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