Medc Weatherproof FernTel User Manual download pdf (Page 25)

Technical Data

Connection data

Supply voltage 24….66 Vdc

Supply current 19…100 mA

Ringing alternating current 30….90 Vac

Ringing frequency 16….68 Hz

Ringer input impedance ≥ 6.0 kΩ at 25 Hz

≥ 3.5 kΩ at 50 Hz

Enquiry key (flash) only for DTMF 80 ms, 120 ms, 600 ms

Dialling mode

DTMF Frequencies according to ITU-T Q.23

Tone duration unlimited or 90 ms

PD Pulse/Pause ratio

1.5:1 (60/40 ms) or

2:1 (66.7/33.3 ms)

Ringing volume max. approx. 95 dB(A) at 1 m distance

Housing 293 x 191 x 128 mm

(Height x Width x Depth)

Weight approx. 2.300 g

(telephone incl. telephone mount)

Display 2 lines, 16 positions per row, 7x 5 matrix

Pictograms

Operating utilization position Table or vertical wall mounting

Handset

Mouthpiece Electret-foil microphone

Receiver inset dynamic receiver inset with magnetic field generator

Connections Single- or multiwired up to 2.5 mm

Labelling

Power cable TCP/La – TCP/Lb (TCP : Terminal Connection Point)

Secondary sounder W / W1

Environmental conditions

Ambient operating temp. -25°C...+60°C

(Below -20°C there is no readout on the display)

Transport and storage temp. -25°C...+70°C

Degree of protection

acc. to IEC60529 IP65

Protection against external

mechanical stress Degree of protection IK08 according to EN50102

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Medc Weatherproof FernTel User Manual Page 25