Ascotel IntelliGate 2025/2045/2065
Part 1 System Interfaces 59
3 System Interfaces
The following table provides an overview of the system's different interfaces and
their design:
Tab. 1.2: System interfaces and channels
Term Explanation
B channel User information channel: Each connection occupies one user
information channel, e.g. 2 user information channels (connec-
tions) can be occupied simultaneously using one basic access.
D channel Control and signalling channel: Channel for control and signalling
as well as for packet data transfer.
2B+D / 30B+D 2 2 B channels and 1 D channel / 30 B channels and 1 D channel
Ports Physical connection points on the PBX for network interfaces and
user-network interfaces
Network interfaces Network-side connection possibilities for the PBX
• Analogue network interface
(a/b network interface)
An analogue network connection has 1 user information channel.
• Basic Access T Digital network interface 2B+D
• Primary rate access T2 Digital network interface 30B+D
• Basic access S external Digital network interface 2B+D:
A user-network interface S configured as "EXTERNALS".
User-network interfaces User-side connection options for the PBX
• Analogue user-network interfaces
(a/b user-network interface)
An analogue user-network interface has 1 user information chan-
nel.
• ISDN user-network interface
(S user-network interface)
Digital user-network interface 2B+D:
Connection for Euro ISDN terminals, PC Operator or paging sys-
tem.
• AD2 user-network interfaces
(AD2 user-network interface)
Digital user-network interface 2B+D:
A maximum of two AD2 system terminals, one system terminal
and a Pocket Adapter, or one DECT radio unit can be operated on
a proprietary AD2 bus.
Special interfaces Other PBX connection possibilities
• Ethernet interface on the basic sys-
tem
central interface for connecting AIMS or a CTI server, directly or
via LAN
• Ethernet interface on the expansion
card AIP 6400
Interface to an IP network for networking Ascotel systems
• Ethernet interfaces on the expansion
card AIP 6350
Interface to an IP network for linking up IP system terminals to an
Ascotel IntelliGate system
• V.24 interfaces Serial data interface
• Door Intercom Systems Special interface for connecting door intercoms
• General Bell Special interface for general bell
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