Mitel 470 System Manual page 130

Installation
DSI bus configuration
For each DSI interface card, in the Cards and Modules view, (
be chosen on the DSI bus:
• DSI-AD2:
For system phones of the MiVoice 5300
dio 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. 59 DSI-AD2 bus length and number of phones
Number of phones Total length of DSI-AD2 bus
1 A: max. 1200 m
2 B: max. 1200 m
Communica-
tion server
Communica-
tion server
Fig. 46 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.
1) Office 10, Office 25, Office 35, Office 45/45pro are supported as before
130
1)
series and for SB-4+ and SB-8 DECT ra-
Distance between the 1st and 2nd ones Connec-
tion point (without connection cable)
–
C: max. 10 m
A
1. Connection
point
B
=4g) the protocol can
1. Connection
point
2. Connection
point
C
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016