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MODULE JACKS
There are various types of jacks on the line and station
modules (Figure 2-3). Each type of jack has a specific
function as follows:
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Analog station jacks.
These jacks are for analog
voice terminals, analog data devices, and accessories.
Basic telephone jacks.
These jacks are for basic
telephones with Touch-Tone or rotary dial capability.
Do not connect MERLIN II system analog voice
terminals to basic telephone jacks.
Digital station jacks.
These jacks are for digital voice
terminals, digital voice/data sets, MPDMs, MTDMs,
etc.
Outside line jacks.
These jacks are for outside lines
provided by the local telephone company. You can
also connect an optional loudspeaker paging device
and/or music source to any of these jacks.
Power Failure Telephone (PFT) jacks.
These jacks
are for basic telephones only. In case of a power
outage, basic telephones plugged into these jacks
become operational. They do so by bridging onto the
lowest line of the group of four line jacks with which
they are associated. Do
not
use MERLIN II system
voice terminals as power failure telephones.
Tie line jacks.
These jacks are for a transmission
facility dedicated to interconnect two private switching
systems.
2-14 Wiring the System