37
CU Link connection:
Up to 3 50CUs can be cascaded (cascade 50CUs using the CU
LINK A/B terminals as shown below). Set one of the 50CUs as
the primary unit.
Since up to 100 50DU/INTs can be connected to each 50CU, if
you use 3 CUs, up to 300 50DU/INTs can be connected in total.
Follow the procedure below to cascade CUs.
Connect the CU LINK A terminal on the 1st extension 50CU
to the CU LINK B terminal on the primary 50CU.
When cascading 2 extension 50CUs, connect the CU LINK A
terminal on the 2nd extension 50CU to the CU LINK B terminal
on the 1st extension 50CU.
up to 100 units
up to 100 units
(INTs cannot be connected)
up to 100 units
(INTs cannot be connected)
Primary 50CU
1st extension
50CU
Terminal A is
not used.
2nd extension
50CU
Primary/Extension (
CU Link Mode
):
Primary
50CU
1st extension 50CU 2nd extension 50CU
2-CU LINK
[Primary] [Extension Last Unit] -
3-CU LINK
[Primary]
[Extension Pass Through]
[Extension Last Unit]
• You can either daisy-chain (
➤
page 28) or ring (
➤
page
28) 50DU/INTs to each 50CU.
NOTICE
• When using only one 50CU without a CU Link
connection, be sure to set [CU Link Settings] to
[Primary].
If [CU Link Setting] is set to [Extension Pass Through]
or [Extension Last Unit], we cannot assure operations.
• Up to 6 INTs can be connected to the primary 50CU.
They cannot be connected to extension 50CUs.
3
Attach the bottom cover to the 50DU/INT.
After connecting the Ethernet cables to the 50DUs/INTs, attach
the bottom cover to each 50DU/INT.
• The Ethernet cable is fixed securely between the 50DU/INT
and the bottom cover. This helps reduce the weight of the
50DU/INT which bears on the Ethernet cables.
• To lead the cable out to the rear side, use the through hole
.
To lead the cable out to the bottom side, use the through holes
.
Bottom cover
4
Attach the optional bottom weight to the 50DU/
INTs.
• When using 50DU/INTs that are not secured to desktops
or tabletops, it is recommended to use the optional
bottom weight (330g) for secure placement.
• To purchase the optional accessories, contact our sales
team.
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