NEC Neax 2400 Ipx Installation Manual

NDA-24306 CHAPTER 3
Page 63
Revision 1.0
1. MOUNTING OF UNITS AND MODULES
Figure 005-1  Procedure for Mounting Units and Modules
NAP-200-005
Sheet 1/16
Mounting of Units and Modules
START
Mounting of Modules, FANU, and TOPU. Mount modules, FAN BOX and TOPU for each 
cabinet referring to Figure 005-1.
END
(TOPU)
Tighten these screws.
Do the same at the rear
side, too. 
(PIM3)
Tighten these screws.
Do the same at the rear
side, too.
(PIM2)
Tighten these screws.
Do the same at the rear
side, too.
(FAN BOX)...

CHAPTER 3 NDA-24306
Pag e 6 4
Revision 1.0
2. INSTALLATION OF FANU
Location of FANU (PZ-M369 and three electronic FANs) is shown in Figure 005-2. Depending on your system
configuration, mount the FANU in the proper position.
Figure 005-2  Locations of FANU
NAP-200-005
Sheet 2/16
Mounting of Units and Modules
NECNE AX 2400 IMSTO P U
located here.FANU is
FRONT VIEW
NECNEAX 2400 IMSTOPU
FA N  B OX
/ / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / /...

NDA-24306 CHAPTER 3
Page 65
Revision 1.0
[Procedure for FANU on the TOPU]
When any IMG is configured by two PIMs or less, the FANU is mounted as shown in Figure 005-3. Because the
FANU is already mounted on the TOPU of the cabinet, perform Step 4 through Step 7 only, excepting a special case
(Step 1 through Step 3 are not required in the normal cases).
STEP 1  : Referring to Figure 005-3, mount the three FANs onto the FAN Mounting Plate. Then, fasten every four
screws.
STEP 2  : Accommodate the FAN...

CHAPTER 3 NDA-24306
Pag e 6 6
Revision 1.0
STEP 4  : Fix a FAN fuse (5.0 A) onto the PZ-M369.
Figure 005-4  Attachment of FAN Fuse (PZ-M369)
STEP 5  : Connect the FAN cables as shown in Figures 005-5 and 005-6.
STEP 6  : Lastly, attach the Top Cover onto the TOPU of the cabinet. Then, fasten the four screws (refer to Figure
005-7).
Note:The procedures, Step 4 through Step 6, must be performed at each PBX cabinet adopting 1-PIM or 2-PIM
configuration.
NAP-200-005
Sheet 4/16
Mounting of Units and Modules...

NDA-24306 CHAPTER 3
Page 67
Revision 1.0
Figure 005-5  Cable Connections for FANU on TOPU
NAP-200-005
Sheet 5/16
Mounting of Units and Modules
TH0 TH1 TH2 FAN FC0 FC1 FC2 TALM0
FAN
Note 2
TA L M
THM
Note 1
PZ-M369
TO P U
FA N U
TOPU (To p View)
Note 1:For details on the FAN connecor (PIM backplane), refer to Figure 005-6.
Note 2:For details on the TALM connector (TOPU panel), refer to Figure 005-3.
NEAX 24
00 IMSNE
C
.
..
.
..
PBX
NE
CN
EA
X
 
2
4
00
 
I
M
S
ATTENTIONContents
Static Sensitive
Handling...

CHAPTER 3 NDA-24306
Pag e 6 8
Revision 1.0
Figure 005-6  Connection of “FAN” Connector Cable (TOPU-PIM)
NAP-200-005
Sheet 6/16
Mounting of Units and Modules
  TH2  TALM1   TALM0
  TH1   TH0   FC0   FC1   FC2ON
OFF
AutoPWR SWNote
PBXTO P U
PIM
(FAN)
(FAN)
B
W
B
PZ-M369
ATTENTIONContents
Static Sensitive
Handling
Precautions Required
R
EAR
  FA N 

NDA-24306 CHAPTER 3
Page 69
Revision 1.0
Figure 005-7  Attachment of the Top Cover
NAP-200-005
Sheet 7/16
Mounting of Units and Modules
NEAX 2
400 IMSNE
C
Top Cover
TOPU
PIM
Mount the Top Cover onto the TOPU. 
Then, fasten the four screws using 
the Phillips screwdriver. 

CHAPTER 3 NDA-24306
Pag e 7 0
Revision 1.0
[Procedure for FANU in the FAN BOX]
When any IMG is configured by three or four PIMs, the FANU must be accommodated within the FAN BOX in the
center of the cabinet. Because the FANU is originally mounted on the TOPU as shown in Figure 005-3, relocate the
FANU into the dedicated FAN BOX per the Steps below:
STEP 7  : Referring to Figure 005-3, remove the FANU from the TOPU.
- Remove the two screws fastening the PZ-M369. Then, lift away the PZ-M369.
- Remove the...

NDA-24306 CHAPTER 3
Page 71
Revision 1.0
Figure 005-8  Relocation of FANU and Insertion into FAN BOX
NAP-200-005
Sheet 9/16
Mounting of Units and Modules
Note
Screws for FAN Mounting Plate
Screws for PZ-M369FAN BOX connection bar FAN BOX connection bar
Note:Before inserting the FANU into the FAN BOX, connect the FAN cables for “FC0”, “FC1” and “FC2”
connectors on the PZ-M369. Refer to Figure 005-9 on the next page.
ATTENTIONContents
Static Sensitive
Handling
Precautions Required
FR
ON
T 

CHAPTER 3 NDA-24306
Pag e 7 2
Revision 1.0
Figure 005-9  FAN Cable Connections for FC0/FC1/FC2 Connectors
NAP-200-005
Sheet 10/16
Mounting of Units and Modules
FC0 FC1FC2
FA N 0 FA N 1 FA N 2
PZ-M369
Before installing the FANU into the FAN BOX, connect FAN cables as shown below.
ATTENTIONContents
Static Sensitive
Handling
Precautions Required