Specifications
 DSX-1040PDP 
 Power Distribution Panel  
DSX Access Systems, Inc. 10731 Rockwall Road Dallas, Texas 75238 / 888-419-8353 / 214-553-6140 / www.dsxinc.com
11/2012
  12VDC / 6A Power for Controllers 
  Battery Backup for Controllers 
  Optional Battery Backup for Locks 
  Lock Power 12VDC-8A/24VDC-4A-8A 
  UL 294 / UL 1076 
  AC Loss/Low Battery Supervisory Outputs 
 
All Outputs - Class II, Power Limited
 
Fire Override Input & Output
General Information 
The DSX-1040PDP Power Distribution Panel is the supervised 
power plant for the DSX-1048PKG Intelligent Controller. The 
DSX-1040PDP houses the panel and lock power supplies, and 
backup batteries. The DSX-1040PDP is comprised of a DSX-
1040PE enclosure, an SWS-150 15VDC power supply for the 
controllers, an SWS-150-[15] or [27] for either 12 or 24VDC 
locks, and a DSX-1040PDM Power Distribution Module. The 
DSX-1040PDP carries a Limited 2 Year Warranty. 
Power Architecture 
The DSX-1040PDP contains an SWS-150 Power Supply that 
converts 115VAC to 15VDC for Controller Power. Also 
present is an SWS-150 15/27 Power Supply which converts 
115VAC to either 12 or 24VDC for Lock Power. Both Power 
Supplies feed power to the DSX-1040PDM Power 
Distribution Module. The DSX-1040PDM provides fused 
12VDC/6A power to the DSX-1040CDM located in the DSX-
1048 enclosure. The DSX-1040CDM redistributes the power 
through individually fused outputs to each Controller in the 
DSX-1048. The Controllers have 12VDC/1A fused power 
outputs for Card Readers and Keypads. 
Power Distribution Module 
The DSX-1040PDM performs several critical functions. First, 
it takes the 15VDC power from the SWS-150 and provides 
two 12VDC 3 amp, Class II, Power Limited, Fused Outputs to 
power the DSX-1040CDM which distributes the power to the 
DSX-1042 Controllers in the DSX-1048PKG. It provides a 
12VDC Battery Charging Circuit to charge backup batteries 
for the Controllers. It also provides a charging circuit for the 
optional batteries used to backup the 12 or 24 volt lock power 
from the SWS-150 power supply. The Power Distribution 
Module has outputs to signal Loss of AC and Low Battery. 
The module also has a Battery Test Input and Load Shed 
capabilities. The DSX-1040PDM routes Lock Power through 
individual fuses for each of the 8 outputs. All Outputs are 
Class II, Power Limited. 
Inputs 
The DSX-1040PDM has a Battery Test Input. This Input when 
activated shuts off the charging circuit and load tests the 
battery for 1minute. This Input can be tied to a spare Output in 
the DSX-1048PKG Controller and programmed by Time Zone 
to occur when desired. The module also has connection points 
for a Lock Power Fire Override Relay to break Lock Power to 
all 8 Outputs. 
Outputs 
The DSX-1040PDM Power Distribution Module has 3 
normally closed Relay Outputs, two to signal Loss of AC (one 
for panel power and one for lock power) and one to signal 
Low Battery. These Outputs can be connected to three spare 
Inputs in the DSX-1048PKG. The DSX-1040PDM routes 
Lock Power through individual fuses for each of the 8 Outputs 
with connection points for the lock wiring and for the 
Output relays located in the DSX-1048. There is also an output 
from the Lock Power Fire Override that can be connected to an 
input in the 1048 or can be used to connect to the Fire 
Override Input on the next 1048 and 1040PDP. 
Diagnostic, Supervisory and Status LEDs 
The DSX-1040PDP has 17 diagnostic LEDs for power and 
blown fuse indication. There are Power On LEDs for each of 
the two power inputs, LEDs for Low Battery and Battery Test, 
and for AC Loss, and Fire Override. The DSX-1040PDM also 
has 1 LED for each of the eight fused Outputs for Lock Power.










