ASCOM Ascotel 2025, System Manual

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ascom Ascotel 2025/2045/2065
4.90 Cabling Interfaces HBT_20321104_04/B0_en
Cable Requirements
Use commercial Cat. 5 patch cable, or choose a cable type with the following
characteristics:
Tab. 4.62: Requirements for an Ethernet cable
7.5.3 General Call
[1] External ringing voltage source
[2] Maximum contact loading 60 VDC, 0.5 A, 70 VAC, 0.5 A
[3] On mainboard2065 the general bell can be connected either on Pin 1/2 or Pin 3/4
= Pin 1
Fig. 4.65: Connecting the general bell to the central relay with floating contacts on the
2025 / 2045 mainboard (left) and 2065 mainboard (right)
The relay on the mainboard can only be used if there is an external ringing voltage
source. The maximum number of general bells connected in parallel depends on
the power of the voltage source.
It is possible to use commercial auxiliary bells designed for connection in parallel
to analogue terminals as a general bell.
Core pairs x cores
Stranded
Wire diameter, core
Screening 2 x 2 (for short distances also 1 x 4)
yes
0.4...0.6 mm
yes (Cat. 5)
b/a
[1]
[2]
b/a b/a
haz1150aadeb0
[1]
[2]
[3]
Ascotel 2065
Ascotel 2025 / 2045