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Advanced Communications System Installation, Programming, and Use
Connecting Lines and Extensions
2-16
Connecting Lines and Extensions
2
If extensions are not wired to any modular jacks, call a qualified service technician.
Use the following procedure to connect analog lines and extensions:
1. Test for a dial tone at the network interface jacks before connecting outside lines to the
control unit. For the test, connect a tip/ring telephone to the first network interface jack.
a. Lift the handset and listen for a dial tone. (If there is no dial tone, contact your local
telephone company before continuing.)
b. Repeat for each network interface jack.
2. Connect line cords to the line jacks on the
modules. Start at the top with the line jacks on
the processor module, and then move to the
leftmost module. Fill each module before
moving to the next module to the right
(see
Figure 2-18 ).
3. Route each cord through the wire manager on
the front of the module (see
Figure 2-18 ).
Figure 2-18. Connecting Line Cords to
Line Jacks
4. Connect the free end of each line cord to the
appropriate network interface jack
(see
Figure 2-19 ).
5. Test the lines by plugging a system telephone
into extension jack 10. Press the line button
for each outside line and listen for a dial tone.
6. Test the extensions by doing the following:
a. Plug a system telephone into the first
extension jack on each module.
b. Press the line button on the telephone for
each outside line and listen for a dial tone.
Figure 2-19. Connecting the Line Cord
to the Network Interface
Jack
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