Installation Connectible Devices
53
3.12.2 U
pn
Ports
A system terminal can be connected to every U
pn
port by a twin-wire cable.
The OpenPhone 61, OpenPhone 63 and OpenPhone 65 are cord-bound system
terminals. The OpenPhones 63 and 65 can be cascaded on a U
pn
adapter so that
you can operate two OpenPhones on one U
pn
port. For further details, refer to the
“OpenPhone 61, 63, 65” user guide.
You can also operate the OpenPhone 52 ISDN terminal on a U
pn
port.
The RFP 22/24 base station is required for the use of cordless system telephones
(e.g. OpenPhone 26 or OpenPhone 27). The OpenPhone 27 features an USB port
on which you can transfer data and surf on the Internet.
Note: You can only operate DECT base stations on the ports
of U
pn
interface cards. These cards are available for an
OpenCom 130 and an OpenCom 150.
If this base station is connected to a U
pn
port of an interface card, four simulta-
neous calls are possible with the mobile parts. If the base station is connected to
two U
pn
ports, eight simultaneous calls are possible. However, note that only as
many external connections are possible as there are externally connected B-
channels available.
If you use a cordless handset such as the OpenPhone 26, this can also be con-
tacted by other base stations using the GAP/CAP standard.
3.12.3 a/b Ports
The a/b ports a/b1 to a/b4 can be used for connecting analogue terminals. These
can be for voice or data communication, and use DTMF or pulse dialling, e.g.
■ analogue telephones
■ class 3 fax machines
■ analogue modems (external or internal)
■ external devices for music on hold
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