Ascotel IntelliGate 2025/2045/2065
982 Technical Data Part 8
Digital user-network interface S
• Standard Euro ISDN interface
• Phantom power supply min. 140 mA, limiting at approx. 170 mA,
terminal voltage 36...41 V
Analogue user-network interface a/b
• Voice path with A/D and D/A conversion (standard PCM, A-law)
• Transmission as per ES 201 168 (level country-specific)
• Constant current loop supply approx. 25 mA
(with loop resistances ≤ 1000 Ω)
• No-load voltage, interface 37...40 V
• Receive pulse or DTMF dialling
• Ringing supply 40...43 V 50 Hz at load 4 kΩ; no DC voltage overlay (country-
specific versions also with 25 Hz)
• No control key detection
• No charge signalling pulses
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