Instruction manual

The 4400-Series Telephone Family
3-11
4400-Series Telephones
Figure 3-2. Connecting Two DSS 4450s and an Auxiliary Power Supply
Unit to a 4424D+ or 4424LD+ Telephone
LINE
TEL
OUT IN OUT IN
LINE ADJ
Auxiliary
Power Supply
Unit
Communications
System Wall Jack
Grounding Type
Power Outlet
Telephone1st DSS2nd DSS
Line Cord
(D2R)
Line Cord
(Satin Silver D4BU)