Figure 56: Dx4020 To Control Panel Wiring; Figure 57: Dx4020 To Control Panel Wiring (External Power Supply); Table 16: Dx4020 Wire Lengths - Bosch DS7200V2-EXP Installation Manual

DS7200V2-EXP | Installation Guide | 2. System Installation
and Setup
2.9.4 DX4020 Wiring
Distance from the control panel is determined by
the total combined wire length of all devices
(including keypads) connected to the control
panel's data bus terminals.
Table 16: DX4020 Wire Lengths
Power
Source
DX4020 Control Panel
to
External
Control
Power Supply
Panel
See Figure 56 and Figure 57 for acceptable power
wiring connections.
You can use either one of the Aux Power (-)
terminals and either one of the 12 VDC (+)
terminals when connecting devices to the control
panel.
Figure 56: DX4020 to Control Panel
Wiring
1
1- DX4020 board
2- Control panel board
3- Black (-) wire
4- Green (G) data wire
5- Yellow (Y) data wire
6- Red (+) wire
Bosch Security Systems, Inc. | 04/12 | F01U253045-02
0.8 mm 1.2 mm
(#22 AWG) (#18
AWG)
305 m 610 m
(1007.7 ft) (2001 ft)
2
3 4
5
6
BATT+
BATT-
You can use either one of the Aux Power (-)
terminals when connecting to the control panel.
Do not tie the black (-) output to
earth ground when using any external
power supply. A ground fault
condition is reported if black (-) is
grounded.
Figure 57: DX4020 to Control Panel
Wiring (External Power Supply)
1
3
5
6
(+)
1- DX4020 board
2- Control panel board
3- Black (-) wire
4- Green (G) data wire
5- Yellow (Y) data wire
6- Red (+) wire
7- External 12 VDC power supply
2.9.5 DX4020 Programming
See the DX4020 Installation Guide (P/N: 49522)
for instructions on programming an IP address in
the DX4020.
See Network Communication on page 101 for
instructions on programming the control panel
for network communication.
EN | 37
2
4
(-)
BATT+
7
BATT-