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Description varix 200/varix 14 (DECT)
1 Description
Digital signal processor (DSP)
- CEPT T/CS 46-02
May 1986
- FTZ 12 TR 4-3
December 1988
- CCITT Q.35 Blue Book
- FTZ 12 R7 (Part 1 and 2)
February 1984
Digital user line interface module (UP0TS)
- DKZ-N Part 1.2 Specification for layer 1
of the UP0 interface
version 7 / 92
- ZVEI Measurement techniques specification
for UP0 (layer 1)
version 5 / 92
- Requirements for layer 1 of the UP0 interface
version 8/ 89
Digital S2M outside line interface
- BAPT 224 ZV 2
version of March 1993
- I-ETS 300 011
version of December 1993
Interfaces
Non-DDI trunk interface (HKZ)
Depending on the HKAS version used:
Standard in accordance with FTZ 12TR21
Z
R
Loop current
17 … 60 mA
DC resistance
- closed loop state at 35 mA
< 50 Ohms
- open loop state
> 300 kOhms
Feed voltage
< 60 V
Charge pulse sensing circuit
- integrated on HKAS module
f = 16 kHz ± 80 Hz
- reception signal level
down to -27 dB
- impulse length
80 … 165 ms
