NEC Neax 2400 Ipx Installation Manual

NDA-24306 CHAPTER 3
Page 83
Revision 1.0
Figure 008-2  Connection of Power and Ground Cables to Power Receiving Terminal
NAP-200-008
Sheet 3/12
Connection of Power and Ground Cables 
from the Power Equipment
Note 1:For 1/2 PIM configuration, connect the cable only to the A terminal.
Note 2:An example of End Jointing (using A Type-Clamp terminal) is explained in Section 3 of this NAP.
+80V:Terminal
-48V:B Terminal
G:B Terminal
-48V:A Terminal
G:A Terminal
FE Terminal
POWER AND GROUND CABLES
POWER...

CHAPTER 3 NDA-24306
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Revision 1.0
2. CONNECTION OF DC-DC CONVERTER FOR TELEPHONE SETS EQUIPPED WITH
MESSAGE WAITING LAMPS
NAP-200-008
Sheet 4/12
Connection of Power and Ground Cables 
from the Power Equipment
START
Cable Running Referring to Figure 008-3, run the power and ground 
cables.
Removal of shorting piece and cable 
connectionReferring to Figure 008-4, remove the shorting piece 
from the +80 V connector of PZ-M371 card, then 
connect the cable provided on the +80 V Power 
Receiving...

NDA-24306 CHAPTER 3
Page 85
Revision 1.0
Figure 008-3  Example Connection Diagram-DC-DC Converter for Message Waiting Lamps
NAP-200-008
Sheet 5/12
Connection of Power and Ground Cables 
from the Power Equipment
Note:The current capacity of the DC-DC Converter is calculated by multiplying the (current capacity of the
message waiting lamp) by the number of telephone sets.
PBX
IV(WHITE)+80V
DC-DC 
CONVERTER
OUTPUT
INPUT G +80V
G –48V
IV(BL)
IV(R)
IV(G) TO RECTIFIERF 
G 

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Revision 1.0
Figure 008-4  Removal of Shorting Piece and Cable Connection
NAP-200-008
Sheet 6/12
Connection of Power and Ground Cables 
from the Power Equipment
BASEU Power Receiving Terminal Block
Remove the shorting piece
Connect the Cable to the +80V Connector of PZ-M371 cardPZ-M371
+80V +80V
Powe r C a bl e 

NDA-24306 CHAPTER 3
Page 87
Revision 1.0
3. END JOINTING OF POWER AND GROUND CABLES
NAP-200-008
Sheet 7/12
Connection of Power and Ground Cables 
from the Power Equipment
START
Stripping of Insulation Sheath Strip the wire to exceed the length of the terminal body 
by 1 - 2 mm (1/8 inch).
Clamping Referring to Figure 008-5, place the terminal body on 
the die with the soldered part facing upward.
Referring to Figure 008-6, insert the stripped wire into 
the terminal body up to the insulation-sheath edge,...

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Revision 1.0
Figure 008-5  Placing the Clamp Terminal on the Die
Figure 008-6  Clamping Method
NAP-200-008
Sheet 8/12
Connection of Power and Ground Cables 
from the Power Equipment
CONVEX DIE
SOLDERED PART
TERMINAL
CONCAVE DIE
1/8 inch (1 - 2mm)
CONVEX DIE
A
A
INSULATION SHEATH
TERMINAL
CONCAVE DIE
SOLDERED PART
CLAMPED PORTION
CLAMPED PORTION
CONDUCTOR
A-A 

NDA-24306 CHAPTER 3
Page 89
Revision 1.0
4. BRANCHING OF POWER CABLES
NAP-200-008
Sheet 9/12
Connection of Power and Ground Cables 
from the Power Equipment
START
Stripping Main and Branch Cable Referring to Figure 008-7, strip insulation coating with 
an electrician’s knife. Avoid damage to the conductor 
during the stripping process.
Inserting of Cables into Terminal Insert the stripped main wire and branch wire into the 
terminal as shown in Figure 008-8.
Clamping for Branch Jointing Place T-Type...

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Figure 008-7  Stripped Length of Main and Branch Cable
NAP-200-008
Sheet 10/12
Connection of Power and Ground Cables 
from the Power Equipment
Table 008-1  Stripped Length
APPLICABLE TERMINALSTRIPPED MAIN-WIRE LENGTH I
1
[inch (mm)]STRIPPED MAIN-WIRE LENGTH I
2
[inch (mm)]
T-20 Approx. 1.2 (28) Approx. 1.0 (24)
T-26 1.3 (32) 1.2 (28)
T-44 1.5 (37) 1.3 (33)
T-60 1.6 (40) 1.5 (36)
T-76 1.7 (42) 1.6 (39)
T-98 1.8 (44) 1.7 (41)
T-122 1.7–1.9 (43–46) 1.6–1.7 (40–43)...

NDA-24306 CHAPTER 3
Page 91
Revision 1.0
Figure 008-8  Inserting of Cables into Terminal
Figure 008-9  Clamping for Branch Jointing
NAP-200-008
Sheet 11/12
Connection of Power and Ground Cables 
from the Power Equipment
 1/8 inch (1 - 2 mm)
BRANCH 
CABLEMAIN CABLE
BEND PRIOR TO INSERTION
T TYPE 
TERMINAL
Note:• Prevent the wires from slipping out of the clamp termi-
nal by holding them firmly.
 Check the indication of the pressure regulator.
 Operate the pressure release lever to release the wires
from...

CHAPTER 3 NDA-24306
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Revision 1.0
Figure 008-10  Taping
Figure 008-11  Covering
NAP-200-008
Sheet 12/12
Connection of Power and Ground Cables 
from the Power Equipment
Note:Taping should be done in two rounds with the tape
overlapping half the tape width.
INSULATION TAPE
0.4- 1.2 in. ABOVE 0.4 in. (10 mm)
(10 - 30 mm)
INSULATION COVER