Installation
123
Mitel SMB Controller
syd-0657/2.0 – R6.0 – 09.2018
DSI bus configuration
For each DSI interface card, in the Cards and Modules view, (
=4g
) the protocol can
be chosen on the DSI bus:
•
DSI-AD2
:
For system phones of the MiVoice 5300 series and for SB-4+ and SB-8 DECT radio
units.
•
DSI-DASL
: For Dialog 4200 series system phones.
Depending on the line length 1 or 2 phones can be connected on each DSI-AD2 inter-
face. The following requirements apply with regard to the bus length to ensure that the
maximum permissible signal delay is not exceeded:
Tab. 50
DSI-AD2 bus length and number of phones
Fig. 41
DSI-AD2 bus
Notes
– The total length of the cables from the communication server to the system phone must not
be less than 10 m.
– Only one system phone and only one phone of the Dialog 4200 series can be operated on
each DSI-DASL interface. The maximum line length for a 0.5 mm wire diameter is set at
1000 m.
Number of phones
Total length of DSI-AD2 bus
Distance between the 1st and 2nd connection
point (without connection cable)
1
A: max. 1200 m
–
2
B: max. 1200 m
C: max. 10 m
A
B
C
2. Connection
point
1. Connection
point
1. Connection
point
Communica-
tion server
Communica-
tion server
