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Hardware Considerations
Programming procedures use line and extension numbers. The line number
represents the line jack on a 206 or 400 module to which the outside line is
connected. Similarly, the extension number represents the extension jack on a
206 module to which the system phone or standard device is connected.
For each 206 module, the system assigns two lines and six extensions; for each
400 module, the system assigns four lines. The system numbers lines and
extensions consecutively. Figure 2-1 shows the numbering scheme for a
system with maximum lines. Figure 2-2 shows the numbering scheme for a
system with maximum extensions. However, your system can have any number
of lines and extensions up to the maximum.
206 Modules 400 Modules
Line
Jacks
Line
Jacks
Line
Jacks
Extension
Jacks
Figure 2-1. Maximum Lines
206 Modules
Line
Jacks
Line
Jacks
Extension
Jacks
206 Modules
Extension
Jacks
Figure 2-2. Maximum Extensions
2-2 Programming