Aria-130 Digital Key Telephone System
Issue: 1.2
Installation Manual
128
3.5.7.7 EMI Suppression
Installation of EMI core on line(s) of STIB is required to suppress EMI.
Install two EMI cores supplied in STIB package as following Figure 3.5.21.
When the core is installed on 1 or 2 lines, it may be slip down. In that case, winding wire with a string
such as cable tie is recommended.
Figure 3.5.21 Ferrite core installation to suppress
Below 30 cm
Below 30 cm
ARIA-130 KSU
Line x 4
ISDN
Board