Bosch DS7200V2-EXP - Figure 56: DX4020 to Control Panel Wiring; Figure 57: DX4020 to Control Panel Wiring (External Power Supply); Table 16: DX4020 Wire Lengths

DS7200V2-EXP | Installation Guide | 2. System Installation
and Setup
EN | 37
Bosch Security Systems, Inc. | 04/12 | F01U253045-02
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
0.8 mm
(#22 AWG)
1.2 mm
(#18
AWG)
DX4020
to
Control
Panel
Control Panel 305 m
(1007.7 ft)
610 m
(2001 ft)
External
Power Supply
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- DX4020 board
2- Control panel board
3- Black (-) wire
4- Green (G) data wire
5- Yellow (Y) data wire
6- Red (+) wire
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- 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.
1
BATT+
BATT-
4
3
5
6
2
1
BATT+
BATT-
4
3
5
2
6
(+)
(-)
7