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ITEM:  MT-8001
Butt Set

Recognized as the new industry standard, the MT-8001 butt set provides superior quality at an affordable price. With its high impedance monitor for data safe operation, technicians can clip onto a line in Monitor mode without disrupting existing traffic. Prokit's unsurpassed protection standards and durability assure the butt set will keep working even in the toughest environments. New weatherproofing provides enhanced resistance to severe weather conditions.


Built-in amplified speaker provides three audio levels for hands free listening.
.Functional tone and pulse mode applied to most telephone system.
.Store up to twelve, 16-digit telephone numbers in speed dial.
.Pre-dialing and last number redial operation save up to 32-digit telephone number
.Advanced PBX pause function easily inserted between digits of a stored number
.High-impedance monitor mode design provides minor noise output while operating.
.Equipped with the mute switch to turn off the speakerphone microphone for privacy.
.Continuous polarity LED indications, easy to verify and detect the current connection status.
.Power saving function automatically shut down after 5 minutes of inactivity, providing longer operating time.
.Audible electronic ringer in 3 level volume controls.
.Ergonomic and lightweight design, enjoy unparalleled mobility and reliability.
.Used as a regular telephone while positioning the “Talk/Monitor” switch in talk mode.


Product Name:MT-8001



Loop limit

2 KΩ maximum at 48 VDC (nominal 20 mA minimum loop current)

DC resistance
(Talk Mode)

300Ω typical

Monitor impedance

39kΩ nominal at 1 KHz

Rotary dial output
Pulsing rate
Percent break
Interdigit interval
Leakage during Break

1000 ms typical
>50 KΩ

DTMF output
Tone frequency error
Tone level
High versus low tone

±1.2% maximum
-8±2dBm combined (typical)
4 dB maximum

Memory dialing
Memory capacity
Digit capacity
PBX pause

12 memories plus last number redialing
16 digits per memory
4 seconds

Monitor amplifier
power source

9V transistor; provides 25 hours continuous use, typical

Speaker levels

Low, medium, high

Automatic power shut off

After 5 min. of no audio signal

Speaker phone levels

Low, medium, high

Power source

Shared line and battery power



10-1/4 inches(26.0 cm)


2-3/4 inches(7.0 cm)


3-1/2 inches(8.90 cm)


560 g typical



Operating:0 to 50°C
Storage:-40 to 66°C

Altitude relative humidity

To 10,000 feet 5 To 95%


Individual Packing
Color Box

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