© Bosch Security Systems
B.V., 2021
Torenallee 49 5617 BA Eindhoven, Netherlands
F01U034899-02
User's Guide
2021.07
D5060
Page 4 of 4
5.0 Batteries
This device is intended for use with AC
power. Extended use of batteries is not
recommended due to the power
requirements of the unit.
This unit includes a feature that monitors the charge
of the batteries. If the battery voltage falls below 16 V,
the unit displays
Lob
. If the battery voltage falls below
15 V, the unit displays
bAd
. The display of
Lob
or
bAd
indicates insufficient power for programming.
D8125MUX communications might still function
properly even if these conditions exist.
To preserve the life of the batteries,
remove them from the multiplex point
programmer whenever you will not use the
unit for any length of time.
6.0 Specifications
Table 3: Specifications
Description Value
Display
Three-digit, seven-segment LED
Power
16.5 VAC (20 VA to 50 VA) external
power source (recommended), or two
9 VDC batteries (optional)
This product is intended for use with AC
power. Extended use of batteries is not
recommended due to the power
requirements of the unit.
