Isgus Perfect 2040 Operating Manual page 31

(2) Connect wiring for audible signal circuit control.
® only if required.
® low power signal output: 15V DC , 50 mA
(3) Connect wiring for synchronized clock option
® only if the recorder is equipped with the option module "MASTER CLOCK".
® fused output rated at 12 V, max. 50 mA,
(4) Connect an optional battery pack for printer operation
during a power failure.
Attention
This connection is polarity sensitive.
This connection is not polarity sensitive.
1. Put the battery pack into the prepared battery
partition.
® the battery partition is on the left side on the
bottomof the case.
2. Unplug bridge (Z-Diode, 12 V / 1 W) at clamp X5 of
the PC board of the unit.
® Hint: Keep the Z-Diode on hand.
The z-diode must be replaced, when removing
the battery pack.
3. Connect the cables of the battery pack to clamp X5
of the PC board of the unit.
Attention
This connection is polarity sensitive.
Wrong connection causes a damage of the unit!
Chapter 3
+ = red - = black
Installation 3-11