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USER’S MANUAL FOR
PRECISION POWER DESKTOP PRO UPS
MODEL NUMBER: PR1236DT-B
WARNING
Review the following important safety warnings to avoid bodily injury or
damage to equipment during installation or operation of the device. Read
ALL instructions before attempting to install or operate this device.
This device is intended for indoor use only. To prevent the risk of fire
or electrical shock, install in dry location free from damp or wet
environment, or potentially damp or wet environment.
Adhere to all acceptable operating environment limitations as listed
to prevent the risk of fire or electrical shock (see user specifications
within User’s Manual)
Risk of fire or explosion if improper battery is installed and attempted
to operate within this device. Device is rated and approved for use
with standard sealed lead acid battery rated at 12Vdc 7Ah-8Ah.
Follow User Manual instructions for proper installation of battery.
Dispose of used batteries in accordance to battery manufacturer
specifications.
NO user-replaceable parts within this device except the battery. Do
not remove cover unless you are installing, replacing, or servicing
the battery.
NOTE: The reference to “Desktop Pro” within this User Manual refers to Precision Power
Model PR1236DT-B and all package accessories as listed below
CONTENTS OF DESKTOP PRO PACKAGE
NOTE: Please verify all standard contents are accounted for upon receipt of Desktop Pro
UPS.
STANDARD: (1) Desktop Pro UPS; (1) Cable Guide; (1) AC Power Cord; (3) Cable Ties;
(1) 7-Pin Connector; (1) User’s Manual; (1) Wall-Mount Installation Template
DESKTOP PRO INTRODUCTION
The Desktop Pro UPS is designed and intended for use as a Desktop or Wall-mountable
DC UPS for indoor and outdoor 12Vdc Optical Network Terminals (ONT) and Customer
Premise Equipment (CPE). The Desktop Pro not only provides constant supply of DC
power during normal operating conditions, but also offers battery backup power in case of
electrical power outage when paired with approved standby battery.
VISUAL INDICATORS AND CONTROL SWITCHES
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2
3
4
5
6
7
VISUAL INDICATORS
SYSTEM STATUS Color-Green Receiving AC power load to operate
under normal conditions
DC Color-Green Working off Battery
Mute Color-Yellow “Flashing”- Audible Alarm Silenced for
24 hrs, “Solid”- Audible Alarm silenced
until manually enabled again.
Battery Color-Red Service or replace battery, or battery
missing
CONTROL SWITCHES
ALARM SILENCE
COLD START
N.I.R.
Disables Audible Alarm Function. Press and release to
disable Audible Alarm for 24 hours. Press and hold for
15 seconds to disable Audible Alarm indefinitely. Press
and hold for another 15 seconds in order to re-enable
Audible Alarm function.
Allows Desktop Pro capability to restart and restore
standby power with new battery or to use reserve
standby power on existing battery when in AC lin
power outage for extended time.
Network Interface Reset (N.I.R.) - Allows for DC line
power reset of Optical Network Terminal. Press and
hold for 3 seconds to reset/reboot ONT or CPE device.
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2
3
4
5
6
7
VISUAL AND AUDIBLE STATUS/ALARM SIGNALS
STATE VISUAL
INDICATOR
AUDIBLE
INDICATOR
DESCRIPTION
NORMAL
ON
Battery
Replace
Battery
Battery
Missing
Low
Battery
System Status
Indicator “ON”
DC Indicator
“ON”
Battery
Indicator “ON”
Battery
Indicator “ON”
DC Indicator
Flashes
System Status
Indicator “ON”
1/2 second
indicator every
15 minutes
1/2 second
audible
indicator 4
times per
minute
Operating under normal AC line
power load and conditions.
AC line power failure or AC cord
disconnection. Desktop Pro is
being supplied with battery power.
Replace faulty or end of life
battery
Operating on AC line power only
without available battery backup
for outage scenario. When
battery is removed from unit,
battery indicator will illuminate
after 15 seconds.
Battery has reached equal to or
less than 45% remaining capacity
on battery discharge
PASS THROUGH AC OUTLET PLUG
AC INPUT POWER CORD CONNECTOR
P
DC OUTPUT/TELEMETRY CONNECTOR
BATTERY DOOR
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INSTALLATION
DESKTOP USE:
A. Slide battery door down located on the rear of the Desktop Pro and
install battery. Install red wire to red battery terminal and black wire to
black battery terminal. NOTE: 90 degree red terminal connector prevents
ability to miswire. Battery installation is optional. Desktop Pro will operate
without battery as long as AC line power is present and connected.
B. Connect Desktop Pro power cord to Desktop Pro power cord connector
port
C. Plug Desktop Pro power cord into AC wall outlet
D. Connect 7-pin DC Power/Telemetry Wire into DC Output/Telemetry
Connector
WALL MOUNT USE:
A. Use provided wall mount template to install screws to the wall for
keyhole mounting of the Desktop Pro. NOTE: Ensure that AC Cord
provided will accomodate length needed from the Desktop Pro AC cord
power input connector to AC wall outlet
B. Follow steps A-D as instructed in “INSTALLATION: DESKTOP USE”
C. Use provided keyhole mounting option for Desktop Pro to hang on
previously installed screws.
BATTERY TYPE
Standard sealed lead acid battery rated at 12Vdc 7-8Ah
As long as AC line power is available, Desktop Pro can maintain operation
while battery is being replaced
PROCEDURE:
1. Remove the battery cover from the back of the Desktop Pro
2. Slide battery out of the Desktop Pro and disconnect both red and black
connection wires from battery terminals and remove battery. NOTE:
Follow battery manufacturer specifications for proper disposal of battery
3. Install new battery by connecting red wire to red (positive) battery
terminal and black wire to black (negative) terminal and slide battery into
Desktop Pro battery compartment.
4. Replace battery cover
BATTERY REPLACEMENT
FCC NOTICE
This equipment has been tested and found to comply with the limit for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits
are designed to provide protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with
these instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
tuning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures: (1) Reorient or
relocate the receiving antenna. (2) Increase the separation between the
equipment and receiver. (3) Connect the equipment into an outlet on a
circuit different from that to which the receiver is connected. (4) Consult
the dealer or an experienced radio/TV technician for help
CAUTION: Any changes or modifications could void the authority granted
by FCC to operate this equipment
NOTE: Precision Power reserves the right to change or correct the
contents of this document and does not assume any responsibility for
ommissions or errors.
PRECISION POWER
A PRECISION GROUP COMPANY
P: +1-615-879-3326
E: info@precisionpwr.net
Website: www.precisionpwr.net
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