Installation
128
Mitel SMB Controller
syd-0657/2.0 – R6.0 – 09.2018
Cable Requirements
Tab. 52
Requirements for an DSI bus cable
Installation rules
• If an Mitel DECT radio unit is used, do not connect any other system phone to the
same DSI bus.
• If
Interface type
is set to
DSI-DASL
, only connect one system phone or one phone
of the Dialog 4200 series to the DSI bus.
• Do not use any terminating resistors at the bus extremity.
• Avoid using different cable cross-sections on the same bus
• Use the supplied cables for connecting the system phones
• Cabling of AD2 terminals is restricted to pairs of a separate dedicated cable(s).
1)
.
Terminals
The following system terminals can be operated on the DSI-AD2 bus:
• MiVoice 5300 series system phones
• Mitel DECT radio units
The system phones on an DSI-AD2 bus are addressed via a single-digit terminal selec-
tion digit (TSD).
Example:
The address of a system phone with TSD 2 on DSI interface 3.5 is 3.5-2.
Only system phones of the Dialog 4200 series can be operated on a DSI-DASL bus.
Core pairs
×
cores
1
×
2 o 1
×
4
Stranded
yes
1)
1) Note: max. 25 m can be crossed unstranded.
(CH: Applies also to cable type G51)
Wire diameter, core
0.4…0.6 mm
Screening
recommended
Characteristic impedance
< 130
Ω
(1 MHz)
1) Applies in Australia only
