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Interfaces and Terminals as of I7.8
106
Technical Data
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d-
023
9/2.
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– I7.
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.2009
4
Technical Data
4. 1
Network interfaces
The following technical data applies to the network interfaces:
Basic Access T
•
Standard Euro ISDN interface as per CTR-3
•
Configurable for point-to-point or point-to-multipoint operation
Analogue network interfaces
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Voice path with A/D and D/A conversion (standard PCM, A-law)
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Transmission as per ES 201 168 (level country-specific)
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Signalling as per TBR 21
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Pulse or DTMF dialling, Flash signal
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Loop current detection
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Call charge receive 12 or 16 kHz (frequency and level setting country-specific)
•
CLIP detection in accordance with ETS 300 778-1 (only A150/300)
4. 2
Terminal interfaces
The following technical data applies to the terminal interfaces:
Digital terminal interface AD2
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Proprietary interface, two-wire
•
2 system terminals per interface
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Power supply min. 75 mA, limiting at approx. 80 mA,
terminal voltage 36...41 V
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Line termination in the terminal
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Transparent transmission of 2 PCM channels