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MAX

® 

4300-EX Owner’s Guide

Your audio/video components are constantly
being bombarded by electromagnetic interfer-
ence (EMI) and radio frequency interference
(RFI) through their power cords.  This contam-
inated power can affect audio/video equipment

and will degrade the overall performance of
your entire system.  Common symptoms of
contaminated power include pops, hisses,
hums and visual artifacts.   

The MAX 4300-EX is designed to filter this
noise, supply clean power to your system and
provide   noise   isolation   between  the  outlet 

banks so that any noise created by an A/V com-
ponent can not contaminate the power going to 
equipment plugged into the other outlet banks.  

Automatic Over & Under Voltage Protection:

Panamax’s patent pending power monitoring
circuitry constantly monitors the AC line volt-
age for unsafe voltage conditions such as pro-
longed over-voltages and under-voltages
(brownouts).  These unsafe conditions pose a
very dangerous threat to all electronic equip-
ment within the home.  If the MAX® 4300-EX
senses an unsafe power condition, it will auto-
matically 

disconnect 

your equipment from the

power to protect equipment from damage.
Once the voltage returns to a safe level, the
MAX® 4300-EX will automatically 

reconnect

the power.

Protect or Disconnect AC Surge Protection:

When the MAX® 4300-EX is subjected to a
high voltage surge, its voltage output is limited
to a safe level and the high levels of surge cur-
rent are diverted away from the connected
equipment.

• When subjected to a 6,000V (open circuit
voltage) / 500A (short circuit current) surge,
the MAX® 4300-EX limits its voltage output to
less than 330V peak, UL’s best rating. 

The MAX® 4300-EX will withstand, without
damage, 20,000A surges, far exceeding the UL
requirement of only 3000 Ampere surges.

• If the magnitude of the surge is greater than
the capacity of the surge protection compo-
nents, the MAX® 4300-EX's Protect or
Disconnect‘ Circuitry will disconnect your
equipment in order to protect it.   The MAX®
4300-EX will need to be repaired or replaced by
Panamax if this occurs.

Application Specific Coaxial Signal Line
Protection:

Panamax's exclusive SignalPerfect™ Technolo-
gy provides application specific protection for
your satellite and cable TV equipment.  One
line of protection is provided for each type.  

The satellite connection is for a coaxial cable 
connected to a DBS (single LNB) satellite dish.
The antenna connection is for a non-amplified
off-air antenna or cable TV line.

The protection circuitry has been optimized for
each application and is not interchangeable.
The jacks are not labeled In and Out.  The cir-
cuitry is bidirectional in both signal transmis-
sion and protection capabilities, making it com-
patible with the latest digital cable and satellite
technologies.

Cable TV (Including HDTV) 

– TV tuners oper-

ate at approximately 10 millivolts (0.01 V) and
utilize the frequency spectrum up to 950 MHz.
The clamping level of the MAX® 4300-EX's
cable TV protection circuitry is 1400 millivolts
(1.4 volts).  That's less than 1 volt above nor-
mal operating levels.  The circuitry is also
shielded to prevent interference.

Satellite TV

- Satellite dish LNB's can require

up to 24 volts to operate and utilize the fre-
quency range of 950 MHz to 2.2 GHz.  The
clamping level of the MAX® 4300-EX's satellite
protection circuitry is 25 volts - just 1 volt
above the maximum operating voltage.  The
circuitry is also shielded to prevent interfer-
ence.

Telephone and LAN Line Protection:

Digital video recorders and satellite TV
receivers require a telephone line connection
for TV show scheduling and/or Pay-Per-View
services.  The M4300-EX provides telephone
and LAN protection on one set of RJ-45 (RJ-11
compatible) jacks.  The phone circuit also
includes a built-in line splitter with an RJ-11
jack for a second piece of equipment.  Adaptors
or custom cables (not included) must be used
when utilizing both protection circuits at the
same time.  Please refer to the specifications
for the pin-out information.

The telephone line protection circuitry utilizes
auto-resetting PTCRs and solid-state
SIDACtors“ for reliability and unsurpassed pro-
tection.  The clamping level of the MAX 4300-
EX's telephone protector is 260 volts.  This will
allow typical ring voltage (90-130VAC) and
operating battery voltage (-48DC) to pass
through the circuit and still protect the modem
in your satellite receiver from damage.  

Key Features

LEVEL 2 EMI/RFI Noise Filtration with Isolation Between Outlet Banks:

Model: 

M4300-EX

Home Theater Power Conditioner

M4300-EX

POWER AND FIL

TRATION

BANK 1 

ALWAYS ON

UNSAFE

VOLTAGE

WIRING

OK

BANK 2

ON

INS0784E   Rev B   12/05

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