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Step 1: Identify Your Existing Wiring System
In order for you to properly connect your SBC 4000 to an existing wiring system,
it is important that you understand its configuration. The following are the most
common multiple line situations. They consist of either one or both types of stan-
dard telephone jacks: The RJ11 Single Line Jack and the RJ14 Double Line Jack.
Your system should match one of them.
Line 1-2
ix
Installing Your System
2 incoming lines with
2 wall jacks
3 incoming lines with
2 wall jacks
3 incoming lines with
3 wall jacks
4 incoming lines with
2 wall jacks
2 incoming lines with
1 wall jack
Line 1 Line 2
Line 3
Line 2 Line 3
Line 3-4
Line 1-2
Line 1
Line 1-2
SBC-4000 UG for PDF v5 110403.qxd 11/4/2003 3:44 PM Page 10