Triplett Fox & Hound 3 – PN: 3397 Uživatelský manuál stáhnout pdf (Strana 7)

5: Specifications

5.1: FOX Specifications

5.1.1: Telephone Loop mA and Line Polarity Test:

Indication: Red LED lights to indicate presence of Loop mA

in correct polarity

Load: Approx. 13mA at 50VDC (usually less than off-hook

recognition current)

5.1.2: Visual Ring Indication:

Indication: Red LED flashes to indicate ringing

5.1.3: Tracer Tone (with fresh battery):

Waveform:

Square Wave or Differentiated Square Wave Level:

Approx. 8Vpp (+14dBu, 600 Ohm) into an open circuit

(un-terminated cable or telephone line)

Approx. 5Vpp (differentiated) +2dBm into a 600 Ohm

load (terminated telephone line)

Frequencies (3 types):

LO - approx. 800Hz

HI - approx 1000Hz

WARBLE - alternates between LO and HI

5.1.4: Connections:

RJ-11 Plug for connection to telephone lines

Color Coded Alligator Clips for connection to stripped wires

or terminals

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Triplett Fox & Hound 3 – PN: 3397 Uživatelský manuál Strana 7