Biology Lab 6 B Answers

Hagenuk BIG 60 - the call is even simpler!

„Ich habe noch nie so entspannt zum Telefon greifen können. Jetzt funktioniert’s sogar ohne Brille!“

Wettingen, im September 2007:

Many know this situation: In order to operate the phone, ic h need d ie glasses. Only when I have time left for them ?

Whether at work, at home or retirement home, with the Hagenuk Big 60 men and women will always have the correct keys.


A large display with blue backlight and a good contrast is missing just as free speech in full duplex mode, 16-fold redial, 2 direct-dial buttons and up to 99 presets for your favorite numbers, of course, by name.

In incoming call flashes supporting the red LED on the right. Thanks to the keyboard lock outgoing calls can be blocked.

Of great benefit to children and vulnerable people the "baby monitor" is, by pressing any key established automatically in speakerphone mode to connect to a previously defined number.



picture above right courtesy of Pixelio.de

Beletec AG - your partner for telecommunications!

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Doro AUB300i technical information for the installer

The Doro AUB300i is constructed to be used behind a PABX United States and intended to be driven by the line current from the PABX. (Usually no need for mains power adaptor or batteries).

It’s not approved to be used on a European PSTN network if used without mains power adaptor.

Technical requirement when the AUB300i is driven by the line on the PABX (no mains power adapter or battery installed):
1. Line current:
A. ≥ 20mA
B. If message waiting isn’t used: ≥ 12mA

2. The PABX must accept a DC resistant ON-HOOK at ~ 600kohm. The TBR21 requirement is >1Mohm. There is a very little risk that this could be a problem. The problem that could be present is that the PABX can’t detect on or off-hook status.

3. The PABX must accept a higher than normal Transient Response during the first milliseconds after first connection. This could only be a problem at limited amount of PABX’s if many AUB300i are connected at exactly the same time.

Technical requirement when the AUB300i is driven by mains power adaptor or battery:
1. TBR21/38

At installation locations with line current lower than 20mA
If the line power is ≤ 20mA it’s advised to use mains power adaptor or battery. The battery life is dependant on amount of incoming calls and type of battery. We recommend 3x AA 1,5V good quality batteries.

Beletec AG - Ihr Partner für Telekommunikation!