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                                            INTRODUCTION                                                   

Thank you for purchasing a Belkin Uninterruptible Power Supply 
(UPS). Each year, several natural and man made occurrences put 
the power supplied to your electronics in your home or office in 
jeopardy. At risk are your hardware, software and data because of 
these power problems.   

                            IMPORTANT SAFETY INSTRUCTIONS                                                   

Please save this manual! 

It contains important operating instructions and warranty information 
pertaining to your UPS. 
 

Please save or recycle the packaging materials! 

The UPS packaging was designed with great care to provide 
protection during shipment and delivery.    These materials are 
invaluable if you ever have to return the UPS for service. Damage 
sustained during transit is not covered under the warranty. 

 
Federal Communications Commission Interference Statement

 

This equipment has been tested and found to comply with the limits 
for a Class B digital device, pursuant to Part 15 of the FCC Rules. 
These limits are designed to provide reasonable 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 the instructions, may cause 
harmful interference to radio communications. To assure continued 
compliance, use only shielded interface cables when connecting to 
computer or peripheral devices. Any changes or modifications not 
expressly approved by the party responsible for compliance could 
void the user’s authority to operate this equipment. 
 

                                              CONTENTS                                                           

You should have received the following: 
1 – UPS unit 
1 – Sentry Bulldog Shutdown Software 
1 – USB Cable 
1 – Phone Line Cable 

                            UPS FEATURES AND FUNCTIONS                                                           

Before installation, please inspect the UPS upon receipt. Make sure 
that nothing is damaged. 
 
Your UPS features 3 LED indicators. Each is marked by a power 
icon; please familiarize yourself with this chart, as it will assist you in 
the use of your UPS. 

 

Chart 1 

 

                                                        ALARMS                                                             

Back Up (Slow Alarm) 

When in “BACK UP” on battery mode, the RED LED illuminates and the 
UPS sounds an audible alarm.    The alarm stops when the UPS returns to 
LINE NORMAL operation. 

Low Battery (Rapid Alarm) 

In “BACK UP” mode, when the battery energy runs low, the UPS beeps 
rapidly until the UPS shuts from a depleted battery or returns to LINE 
NORMAL operation. 

Fault (10 Seconds Continuously) 

When the output is shorted, the UPS emits a 10 seconds continuously 
alarm to warn of a short condition.    Disconnect the equipment prior to 
checking the equipment. 

                                                  FRONT PANEL                                                             

                                                           

 

 

 

 

 

 

 

 

 Diagram 1 

 
1. 

 

UPS Outlets (See #1 on Diagram 1) 
These outlets are your battery back up outlets. We strongly 
recommend that only sensitive equipment such as your computer and 
monitor should be plugged into these outlets. 

Caution: Never 

connect a laser printer or scanner to the backup outlets of UPS 
with other computer equipment. A laser printer or scanner 
draws significantly more power when in use than when sitting 
idle. This may overload the UPS. 

 

 

Should a power outage occur, your battery backup would 
automatically turn on. Power (utility or battery) is not supplied to these 
outlets when the UPS is switched off. 

 

 

Do not plug any surge protectors or power strips into the battery 
back-up outlets (i.e. daisy chaining).

 

 
 
2. 

 

SURGE Protected outlets (See #2 on Diagram 1) 
These outlets do not provide power during a power outage. 

 

 

Equipment such as computer peripherals, printers, fax machine’s, or 
a desk lamp may be plugged into these outlets. The On/Off button 
does not control these outlets. 

 
3. 

The On/Off button has 3 functions: 
1. Turns on the UPS. Depress button at least 2 

seconds. The green light will come on. 

 
2. Cold Start function. Assuming the battery is 

charged the UPS will work without it being 
plugged into an outlet. Depress and hold the key 
for at least 2 seconds to turn on the UPS. The   

 
3. Silence function. During “On Battery Mode”, the 

audible sound can be turned “ON” or “OFF” by 
depressing the switch. 

 
 

Side Panel A 

AC Input

Circuit Breaker

IN

Push to Reset

Refer to Bottom for
Cautionary Markings

 Phone/Fax

Modem

Protection

        OUT

        OUT

1

2

3

 

Diagram 2 

4. 

AC Input Power Cord (See #1 on Diagram 2) 

 

Provides power to your UPS. 

 
5. 

Phone/ Fax/ Modem Surge Protection (See #2 on Diagram 2) 
The Phone/ Fax/Modem lines are surge protected. There is one input 
jack and two output jacks.  This allows you to split one telephone 
connection to two separate devices.   
 

6.    AC Breaker (Circuit Breaker; See #3 on Diagram 2) 

Should a power overload occur, the circuit breaker would trigger the 
UPS to turn off AC power.    In order to restore the power, depress the 
circuit breaker button to reset, then depress the Power button. 
 

Side Panel B 

 

 

 

 

 

 

Diagram 3 

7. 

Your UPS features a USB communication port. Installation of the 
cable and software is optional. This allows the UPS to connect to you 
computer. The Sentry Bulldog Software will not work if the UPS is not 
connected to you computer. This does not mean the battery backup 
feature will not work without the software and cable installed. The 
UPS will still provide backup power but you will be unable to utilize 
the data management capabilities of the software. 

 
 
 
 

 

                                            INSTALLATION                                                           

Note!  

Before installation, please inspect the UPS Upon 
receipt. Make sure that everything inside the package 
is not damaged. 

 
Connect to AC Utility Power 

Connect the AC inlet to utility power via the power 
cord. Please make sure there are no devices 
plugged into the UPS unit. Check to see if the “Site 
Wiring Fault” indicator is lit or not. If it is lit, please 
have the utility wiring inspected by an electrician.   

 
Charging the Battery 

For best results, charge the battery for 6 hours prior 
to initial use. The UPS charges its battery whenever 
it is connected to the utility power.    Should you see 
the red battery light come on, the battery may need 
immediate charging. 

 
Turning on the UPS

 

Turn on your UPS by depressing the On/Off button for 
approximately 2 seconds. You will see the green indicator light come 
on.  
   

Plug in Power Devices 

Plug your devices into the AC outlets on the top of the UPS. To use 
the UPS as a master on/off switch, make sure all of the loads are 
switched on. 

Caution: Never connect a laser printer or 
scanner to the backup outlets of UPS with 
other computer equipment. A laser printer or 
scanner draws significantly more power 
when in use than when idles. This may 
overload the UPS. 
 
Connect the phone/ fax/ modem lines 

Connect a single phone / fax/ modem line into the surge protected 
sockets on the right of the UPS. The RJ-11 modular sockets accept 
standard single line telephone connections.  
 
Plug one end of the phone cable you received into your telephone 
wall jack and plug the other end into the jack marked IN. You may 
now plug a phone, fax or modem into the two jacks marked OUT. 
(See Diagram 4) 

 

Phone

Modem

/ Fax

 

To Telephone Socket

 

Diagram 4 

 

Note: 

This connection is optional but highly suggested as phone / 

fax / modem lines often carry dangerous surges and spikes. The 
UPS works properly without a phone / fax/ modem connection. 

Caution: The phone/fax/modem protection feature could be 
rendered inoperable if improperly installed. Make sure that the 
telephone line from the wall is plugged into the connector marked 
“IN”, and the devices to be protected (phone/ fax/ modem) are plugged 
into the connector marked “ OUT”.

 

 

USB (Universal Serial Bus) Communication Port 

A USB port is provided to relay the signal to support DOS, 
WINDOWS, and the other operating system.   

 

 

 

 

Communication port 

 
(Optional) To fully utilize the Sentry Bulldog Shutdown Software; you 
will need to connect the UPS to your computer. Connect the USB 
cable to your UPS then connect the other end to the USB port on 
your computer. 
 

Software Installation (Optional)

 

Compatible with any computer running the following: 
95/98/ME/NT4/2000/XP & Novell 3.X & Higher 
 
1. 

Your UPS features the Sentry Bulldog Shutdown Software.   
This allows you to protect and save your data should a power 
outage occur, as well as safely shutdown your computer in your 
absence. This software is compatible with Windows 
95/98/ME/NT4/2000/XP and Novell 3.X & higher. 

 
2. 

To install the software, please place the CD into the CD drive of 
your computer. 

 
3. 

Your computer should automatically run (AutoPlay) the CD. If 
this does not occur, go to the Run feature on your Start icon 
(lower left corner) on your screen. Please enter the CD drive, it 
may be D: Should you continue to have a problem, please refer 
to your computer’s owner’s manual for the correct drive. Upon 
entering the drive Run setup.exe. to execute the software. 

 
4. 

Once uploaded, please click the Bulldog icon on the screen. 

 
5. 

Click Install Belkin Sentry Bulldog for Win 
95/98/ME/NT4/2000/XP 

 
6. 

InstallShield Wizard will appear onscreen, click Next. 

 
7. 

Please read the License Agreement and click Yes. 

 
8. 

On Setup Type, click ALL (Standalone). You should not install 
the networking files unless you are technically qualified to use 
these features. For more information on networking, please 
refer to the software user’s manual.    The software user’s 
manual can be downloaded from the user’s manual icon. 

Indicator Condition 

Description 

 

 

ON-LINE 

- Solid green 

AC power is on 

 

 

 

 
 
 
 
 
ON-BATTERY 
and 
LOW-BATTERY 

- Flashing Red 

LED with Audible 

Alarm (Beeping) 

 

 
This condition for the 
On-Battery and 
Low-Battery LED can 
indicate 1 of 3 problems: 
 
1.   The UPS is on battery 

backup and an 
intermittent audible 
alarm is on. The UPS 
will begin shutdown 
procedure. 

 
2.   Battery is low. The UPS 

will start shutdown. The 
buzzer sounds an 
audible alarm.   

 
3.   There is a problem with 

the UPS. The LED will 
be lit continuously and 
the buzzer will sound 
audible alarm for 10 
sec. 

 

 

 

 

 

SITE WIRING 

FAULT 

 

 

- Solid Red 

The Site Wiring fault LED 
can indicate 1 of 2 possible 
conditions:  
1.   Open or high resistance 

on the ground line 

2.   Hot or neutral polarity 

circuit 

*Note in order for your UPS 
to work properly, you must 
have a properly grounded 
AC circuit.    If your Site 
Wiring Fault LED is lit, 
please contact an 
electrician to properly wire 
this circuit. 

F6H350-USB
F6H500-USB
F6H650-USB

R

 

2

22

2

1

11

1

3

33

3

USB Communication Port 

Battery Light 

Laser Printer 

Battery Light 

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