Expansion Stages and System Capacity
66
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014
3. 4. 3
Terminal and network interfaces
Tab. 33
Terminal and network interfaces
Analogue, nationally approved terminals
• Pulse dialling (PUL)
• Frequency dialling (DTMF)
• Radio units for cordless phones
• Door intercoms with DTMF control functions
• Group 3 fax machines
4)
• Answering machines
• Modems
228
600
External audio equipment with line output
1
1 per node
External equipment can be switched via control outputs
228
600
External switches for controlling internal switch groups via
control inputs
228
600
General bell
1
1 per node
1)
Maximum 64 radio units per location area
2)
Operation on 2 DSI interfaces in each case
3)
Maximum of 2 simultaneous call connections.
4)
Transmission with the T.38 protocol is recommended for Fax over IP. The corresponding DSP resources need
to be allocated.
Max. number...
Aastra 470
AIN with
Aastra 470 as
Master
Ethernet interfaces
3
per node
Network interfaces, total (FXO, BRI-T, PRI, BRI-S
ext.
)
56
288
Terminal interfaces, total (DSI, FXS, BRI-S)
228
600
DSI terminal interfaces
224
600
Analogue terminal interfaces FXS
228
600
BRI-S terminal interfaces
28
228
Analogue network interfaces FXO
64
64
Basic rate interfaces BRI-T
56
256
Basic rate interfaces BRI-S
ext.
28
256
Primary rate interfaces PRI
1)
1)
30 B channels per PRI network interface, of which 10 B channels each can be used without licence.
14
32
SIP access
10
10
SIP access channels
240
2)
2)
Licences required
240
Interface
Terminal type
Terminal
per Aastra
470
per AIN
with Aastra
470 as Mas-
ter
per inter-
face