Dorma B6L 19, Installation Manual

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MUXD 19" (B6L 19")
5. Maintenance
23 23
E - Lithium back-up battery
1)
Lithium back-up battery for power failure-proof buffering of
the data stored in the RAM.
Continuous buffer time, approx. 3-5 years. Type CR2032/3V,
230 mAh, plugged in, service life approx. 10 years
Device variant 230/115 V
Make a back-up of the data and then switch off the device.
Changing the battery is not permitted when live.
Device variant 24 V/DC
Changing the battery is permitted when live. To retain the
data in the unit when changing the battery, the power sup-
ply to the unit must remain switched on.
Please perform this work with great care to avoid triggering
a short-circuit. Do not use metal tools for this work.
5.1.3 Changing the battery
1)
The battery is inserted vertically in the holder. To change
the battery, push the power failure safety lock to the side.
The battery can then be easily removed from the holder.
The new battery can be pushed into the holder by pushing
the safety lock to the side in the same way. Please ensure
that the poles are correctly positioned.
1) B6L 19'' version only
5.2 Reset button
The reset button is used to trigger a manual reset.
The best way to actuate this button is by using a rod-shaped
tool (screwdriver, etc.).
5.3 Manipulation protection
The MUXD 19" offers the possibility of protecting the
removable sides of the housing with a lead seal to guard
against unauthorised mechanical intervention.
–
+
Internal V
oltage
Supply V
oltage
SubBus1 Activity SubBus Power SubBus2 Activity Booking Activity Tamper Status System Run Reset LA
RS232 Service
LAN
Li