T
ELEPHONE
SET
DBC 220 01
3
1531-DBC 220 01 Uen D1 2016-03-07
1
GENERAL
1.1 SCOPE
The digital telephone sets (DTS) and peripherals described in these installation instruc-
tions are to be used together with the Mitel exchanges ASB 501 04, ASB 150 02 or
equivalent.
The DTS is connected to a digital extension board, ELU28/3, or equivalent.
1.2 ENVIRONMENTAL
REQUIREMENTS
The products covered in these installation instructions comply with the prerequisites
stipulated for placing in office and exchange room environments.
