Internal S
Port for ISDN Terminals
0
Connection type
Supply voltage
Feeder
Range
Terminators
Internal U
Port for ISDN Terminals
P0
Connection types
Range
Supply voltage
Feeder
External S
Port for ISDN Network Provider
0
Connection type
Range
Terminators
External Analogue Port for Analogue Network Provider
Range
Type of dialling
Reception amplification
Transmission amplification
Ringer signal frequency
COMpact 4000 Instructions V04 03/2017
S
basis access as Point-to-Multipoint connection, EURO-
0
ISDN (DSS1), short passive bus
40 V +5 % / -15 %
Max. 4 W
Max. 150 m with typical telephone or network cable
(twisted-pair) for bus setup; European standards
ENV 41001 [DINV 41001] and EN 28877 apply to IAE-
termination technology)
Max. 1000 m for PTP wiring
100 Ohm, switchable; factory settings on
U
with Euro-ISDN protocol (DSS1); 2 B-channels per
P0
port, direct connection to a U
adapter
At 0.6 mm diameter:
Screened cable: up to 600 m
Unscreened cable: up to 1000 m
40 V +5 % / -15 %
Max. 4 W
S
basis access as Point-to-Multipoint connection or as a
0
Point-to-Point connection, EURO-ISDN (DSS1), unit is
powered locally
With typical telephone or network cable (twisted-pair)
Max. 150 m for Point-to-Multipoint connection
Max. 1000 m for PTP connection
100 Ohm, switchable; factory settings on
Ca. 800 m at 0.6 mm diameter
Tone dialling
Configurable: -12 to +12 dB
Configurable: -6 to +6 dB
Configurable: 16 / 25 / 50 Hz
Important Information
telephone or to the U
P0
/S
P0
0
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