Installation
Communication server Splitting with
fan-out panel
FOP or 8-
fold assigned
connecting
cables
Connection socket
Socket Pin DSI
signal
DSI signal Pin Socket
- 7
- 8
Depending on the line length, 1 or 2 phones can be connected on each DSI-AD2 interface. The following
requirements apply with regard to the bus length to ensure that the maximum permissible signal delay is
not exceeded:
Table 48: DSI-AD2 bus length and number of phones
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
Figure 37: DSI-AD2 bus
Release 7.1
System Manual for Mitel SMB Controller 128