Medc Ex ResistTel User Manual download pdf (Page 29)

Technical data

Warning!

In order to maintain the explosion protection it is of paramount

importance to observe the information given in the chapter “Explosion

protection – characteristic data” on pages 14 and 15.

Note:

Except for ZB version for items marked with an asterisk *).

Connection data

Supply voltage 24 V

to 66 V

Supply current 15 mA

to 100 mA

Ringer voltage 24 V

to 90 V

(calling frequency 21...54 Hz)

30 V

to 90 V

(calling frequency 16.6...54 Hz)

Ringer impedance

Greater than 6.0 kΩ at 25 Hz and 24...90 V

AC.

Greater than 4.0 kΩ at 50 Hz and 24...90 V

AC.

Consultation hold

key *)

Flash function adjustable from 40 ms to 399 ms

via the menu.

Dialling method *) PD or DTMF mode can be set via the menu.

DTMF mode in accordance with ITU-T

recommendation Q.23.

Pulse Dial mode with pulse pause ratio 1.5:1 or

2:1 (adjustable via the menu).

Exchange number*) An exchange number and dialling pause are

programmable to between 1 s and 6 s via the

menu.

Bell-Shunt Possibility for connecting a second external ringer.

External speaker Terminals for the connection of an external

speaker (optional accessory).

Headset *) Terminals for the connection of a headset

(optional accessory).

Note: A headset or a second earpiece can be

connected, but not both simultaneously !

Second earpiece Terminals for the connection of a second earpiece

(optional accessory).

Note: A headset or a second earpiece can be

connected, but not both simultaneously !

Connection

terminals

Up to 4 mm

inflexible.

Up to 2.5 mm

flexible.

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Medc Ex ResistTel User Manual Page 29

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