System Interfaces; Network Interfaces; User-Network Interfaces - ASCOM Ascotel 2025 System Manual

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System Interfaces

1
The following table provides an overview of the system's different interfaces and
their design:
Tab. 1.2: System interfaces and channels
Term
B channel
D channel
2B+D / 30B+D
Ports

Network interfaces

• Analogue network interface
(a/b network interface)
• Basic access T
• Primary rate access T2
• Basic access S external

User-network interfaces

• Analogue user-network interfaces
(a/b user-network interface)
• ISDN user-network interface
(S user-network interface)
• AD2 user-network interfaces
(AD2 user-network interface)
Special interfaces
• Ethernet interface on the
basic system
• Ethernet interface on the
IPI-100BT expansion card
• V.24 interfaces
• Door intercom systems
• General call
HBT_20321104_01/B0_en
ascom
Explanation
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.
Control and signalling channel: Channel for control and signalling
as well as for packet data transfer.
2 2 B channels and 1 D channel / 30 B channels and 1 D channel
Physical connection points on the PBX for network interfaces and
user-network interfaces
Network-side connection possibilities for the PBX
An analogue network connection has 1 user information channel.
Digital network interface 2B+D
Digital network interface 30B+D
Digital network interface 2B+D:
A user-network interface S configured as "S external".
User-side connection options for the PBX
An analogue user-network interface has 1 user information chan-
nel.
Digital user-network interface 2B+D
Connection for Euro ISDN terminals, PC Operator or paging sys-
tem.
Digital user-network interface 2B+D
A maximum of two AD2 system terminals or one Pocket Adapter
V.24 can be operated on a proprietary AD2 bus.
Other PBX connection possibilities
central interface for connecting AIMS or a CTI server
Interface of the Ascotel IP Gateway AIP6400 to an IP network
serial data interface
Special interface for connecting door intercoms
Special interface for general call
Ascotel 2025/2045/2065
System Interfaces 1.11