Installation
125
Mitel SMB Controller
syd-0657/2.0 – R6.0 – 09.2018
Due to the different hardware versions of the radio units, the power available on the
DSI-AD2 bus is not the same in every case:
Power available case A:
• Applies to all the system phones of the MiVoice 5300 series.
• Applies to the SB-4+/SB-8 DECT radio units with hardware version "-1".
Fig. 42
Power available case A on the DSI-AD2 bus
Power available case B:
Applies to the SB-4+/SB-8 DECT radio units with hardware version "-2" and system
phones of the Dialog 4200 series.
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d = 0.6 mm
d = 0.5 mm
d = 0.4 mm
d=0.4mm
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0
d=0.4mm
d=0.5mm
d=0.6mm
d=0.6mm
d=0.5mm
Pmax [mW]
R [Ohm]
P
o
w
er a
v
ailable A on the DSI-AD2 bus Pmax [mW
]
L
o
op r
esistanc
e R [Ohm]
Line length L [m]
d: Wire diameter