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DX4010i | Installation Instructions | 4.0  Wiring 
 
 
Bosch Security Systems, Inc. | 1/05 | 4998141106C 
 
4.0 Wiring 
 
Remove all power to the control panel (AC 
and standby battery) before making or 
breaking any connections. Failure to do so 
can result in personal injury or damage to 
the equipment. 
Wire Length Restrictions 
 
0.8 mm (#22 AWG): 305 m (1000 ft) 
 
1.2 mm (#18 AWG): 610 m (2000 ft) 
 
 
SDI wiring is limited to 305 m (1000 ft). 
Connect the DX4010i to the control panel data and 
auxiliary power sources as shown in Figure 2
Figure 2:  Control Panel Connections 
1
2
3
4
5
6
B
G
Y
R
 
1-
 
DX4010i data bus 
2-
 
Control panel data bus 
3-
 
Option AUX common/SDI common (black) 
4-
 
Option data/SDI B (green) 
5-
 
Option data/SDI A (yellow) 
6-
 
Option AUX power +/SDI power (red) 
If an external 12 VDC power supply is used, wire as 
shown in Figure 3. 
 
Figure 3:  External Power Supply Connections 
+
-
1
2
3
4
5
6
7
 
1-
 
DX4010i data bus 
2-
 
Control panel data bus 
3-
 
Option AUX common/SDI common (black) 
4-
 
Option data/SDI B (green) 
5-
 
Option data/SDI A (yellow) 
6-
 
Option AUX power +/SDI power (red) 
7-
 
External 12 VDC power supply 
 
Figure 4 shows serial device-to-DX4010i connections 
using the DB9 DTE RS-232 connector (P6). 
Figure 4:  Serial Device Connections 
SER
Rx
Tx
BUS
Rx Tx
LED
 ENABLE
DB9 GND
ENABLE
P1
P6
P2
P3
1
 
1-
 
Serial (RS-232) device such as a PC (with 
RPS, BIS, PC9000, or other third party 
application) or a serial printer for supported 
control panels. 
 
 
 
See Section 7.0 DB9 DTE RS-232 
Connector (P6)
 on page 10 for additional 
information. 
Figure 5 shows a parallel printer connected to the serial 
output of the DX4010i. This type of connection 
requires the use of a serial to parallel converter, such as 
the BlackBox PI045A serial to Centronics parallel 
converter cable. The cable is available from 
BlackBox® 
(www.blackbox.com)