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8.6. M-804EX
The M-804EX is a port expander featuring a star connection of the controllers.
This interface is particularly useful when daisy chain between devices is not possible or when
the controllers are far away from the M-8080D.
the front panel of M-804EX is off, please connect an DC24V external power supply. Note that the power
connection polarity.
When there are too many devices connected to the RD EXP port of M-804EX and the POWER LED on
a. 24V DC power supply
b. RD connections for M-800RC / M-800RCT (control data remote devices only).
c. RD connection for
or M-800RC / M-800RCT (control data remote devices).
M-802RC / M-822IO / M-800RM (control and audio transport data remote devices)
d. RD connection with
Note:
• Each
• Each RD EXP port can support up to 4pcs
• The maximum CAT 5e cable length for daisy chain 100 meters in total from M-8080D RD port to last
controller.
M-800RC / M-800RCT.
M-8080D RD port can support up to 1pc M-804EX, cannot connect another M-804EX through
the RD EXP port.
M-8080D.
7. Save to Device: Save the current parameters to the device.
8. Default: Restore initialization parameters.
9. Load From PC: Load presets from local PC.
10. Save To PC: Save the current preset parameters to the local PC.
11. Screen Saver: After checking this box, the machine will sleep after one minute of inactivity.
Note: The factory setting is ON. In order to prolong the life of the LC-Display, it is recommended that the
user set it to ON.
a c db
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