![Argus 145 Plus Manual Download Page 244](http://html.mh-extra.com/html/argus/145-plus/145-plus_manual_2969457244.webp)
14 Operation on an ISDN Access
244
ARGUS 145
PLUS
It must be mentioned again, that the ARGUS only determines the general bus status once
when switched on or when the ARGUS first connected. On the other hand, the status of the
protocol stacks for Layers 1, 2 and 3 will be continually monitored and displayed.
State display on a U interface access
Display:
- Access type
- Access mode
- D-channel protocol
- U interface variants
- Availability of the B-channels
- Voltage when idle
- Level and voltage evaluation
OK normal
<<
>>
--
OK Rev
Level/voltage is in order
Level/voltage too low
Level/voltage too high
No level/voltage
Emergency supply
<Start>
Repeat the B-channel test.
<Config>
Open the ISDN Settings menu, see page 245