A/B Adapter - Aastra openphone 61 User Manual

System Telephones on the OpenCom 100 / Aastra 800
may be insufficient feed power. This could result in a decrease of the ringer volume
and the open listening/hands-free volume of the second telephone. The feed
power can be increased by connecting an external AC adapter (2).

1.2.2 a/b Adapter

Using an a/b adapter, you can connect analogue telephones to the OpenPhone 63
and OpenPhone 65 system telephones.
Technical Data
■
Dialling mode: DTMF
■
CLIP is not supported on connected analogue telephones.
■
Charge impulses are not transmitted, and charges are therefore not displayed
on analogue telephones.
Notes on Connecting a/b Adapters
The connection of an a/b adapter exceeds the feed power of the U
regardless of the range. For this reason you also have to connect a power supply to
the a/b adapter.
You can connect one a/b adapter to an OpenPhone 63 or an OpenPhone 65.
You can connect one a/b adapter and one U
the telephone connected via the U
adapter can be operated. If you combine an OpenPhone 65 via an a/b adapter and
a U adapter with two other telephones (i.e. three telephones altogether), you
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can make calls on a maximum of two of them simultaneously.
CLIP = Calling Line Identification Presentation: Displays the telephone number of the
caller.
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Note: U adapters on the communications system can only
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be operated on telephones directly connected to the sys-
tem. A U adapter is not permitted on a second telephone.
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Note: Use the power supply with the part number 4505759;
in Britain the power supply with the part number 4510694.
adapter, a OpenPhone 63 for example, no a/b
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adapter to an OpenPhone 65. On
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Add-ons
port (3 W),
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