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Install the MSP-1 Power Supply
Issue 1 September 1995
9-37
5. Place the adhesive side on the top of the MSP-1 and press the strip
down so it adheres to the surface. Do
not
place the strip on the bottom
of the power supply where the rubber feet are located.
6. Carefully align the fastener surface on the top of the power supply with
the fastener surface on the wall or desk and press the two surfaces
together firmly.
Connect the Power Supply
One power supply will support one telephone with or without an adjunct.
The maximum loop range between the telephone and the power supply is 250
feet (76 meters).
The power output is provided through 3 modular jacks on the power supply.
These jacks are labelled as shown:
The PHONE and LINE jacks are 8-pin female non-keyed 657-type jacks that can
accept D4, D6, and D8 modular plug cables. The OTHER jack is a 6-pin female
non-keyed 657-type jack.
The powering arrangements shown in the following figures can be used with the
MSP-1 Power Supply.
■ Figure 9-15 shows the local powering arrangement for Integrated
Services Digital Network (ISDN) telephones, the Digital Communications
Protocol (DCP) 7444 telephone voice frequency (VF) display, 84xx
telephones, and adjuncts connected to all telephones except the 8102.
■ Figure 9-16 shows the local powering arrangement for adjuncts
connected to the 8102 telephone.
The type of cord(s) needed to make these connections are designated in each
figure.
PHONE OTHER LINE
-7 +8 -2 +5
The - and + numbers refer to the pins on which
power is present and the polarity of that power.