FHF FernTel 3 Z2 Руководство по эксплуатации - Страница 4

Просмотреть онлайн или скачать pdf Руководство по эксплуатации для Телефон FHF FernTel 3 Z2. FHF FernTel 3 Z2 8 страниц.

• Make the connections while the device is open

• When the work is done, plug the keypad back on, and place the keypad insert

back on the lower part of the device.

Make sure the seal is correctly positioned and in perfect working order. Then tighten

the fastening screws in a diagonal pattern.

– Only blind plugs and cable glands as prescribed by the manufacturer may be used.

Should these points not be observed, the explosion protection of the device cannot be

guaranteed. The device then poses a potential threat to the user's life and can cause

the ignition of an explosive atmosphere.

CE symbol

The FernTel 3 Z2 fulfils the demands of the R&TTE Directive 1995/5/EC and the ATEX

directive 94/9/EC. The CE symbol confirms the conformity of the device with the

above-mentioned Directives.

EMC-Directive

The device complies with the requirements of the new EMC-directive 2004/108/EC, the

low voltage directive 2006/95/EC and the R&TTE directive 1999/5/EC.

The conformity with the above directives is confirmed by the CE sign.

Electrical characteristics

Connection data

Sounder input

impedance

General specifications

Enquiry key (flash) for dual-tone

Dialling procedure Dual-tone multifrequency Frequencies according to ITU-T Q.23

Ringing volume

DC voltage

Ringing voltage

multifrequency only

Pulse dialling

La / Lb: Ui = 66 Vdc

24 Vac - 90 Vac / 16 Hz...68 Hz

≥ 6.0 kΩ at 25 Hz

≥ 3.5 kΩ at 50 Hz

80 ms, 120 ms, 600 ms

Tone duration unlimited or 90 ms

Pulse/Pause ratio

1.5: 1 (60 ms/40 ms) or

2:1 (66.7/33.3 ms)

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