NEC Neax 2400 Imx Installation Manual

NDA-24234 CHAPTER 3
Page 201
Revision 3.0
INSTALLATION PROCEDURE
1. CROSS CONNECTION OF STATIONS
Note 1:
Provide the necessary cross connections at the MDF by using copper wires of 0.5 mm diameter (24 AWG).
2-core twisted wire is used for speech path, and single-core wire is used for control wire. It is recommended
that wires of different colors be used for trunks, station lines, PFT, etc., so that they can easily be distin-
guished.
Note 2:For cross connections between stations and C.O. lines for PFT,...

CHAPTER 3 NDA-24234
Pag e 20 2
Revision 3.0
INSTALLATION PROCEDURE
2. CROSS CONNECTION OF TRUNKS (C.O. LINES AND TIE LINES)
Note 1:
Provide the necessary cross connections at the MDF by using copper wires of 0.5 mm diameter (24 AWG).
2-core twisted wire is used for speech path, and single-core wire is used for control wire. It is recommended
that wires of different colors be used for trunks, station lines, PFT, etc., so that they can easily be distin-
guished.
Note 2:For cross connections between...

NDA-24234 CHAPTER 3
Page 203
Revision 3.0
INSTALLATION PROCEDURE
Figure 015-2  Cross Connection of Trunks (C.O. Lines and Tie Lines)
NAP-200-015
Sheet 4/30
Cable Termination and Cross 
Connections from MDF to Peripheral 
Equipment, C. O. Lines, and Tie Lines
AX
BX 16COT 
CARDC.O. LINE
Module Group Side
AX
BX 8TLT 
CARDTIE LINE
TA X
RAX
8TLT 
CARD
TIE LINE
EX
MX
TBX
RBX
(1) 16COT card
(3) 8TLT card (for E&M Trunk) (2) 8TLT card (for DID Trunk)
Note 1
Note 1:For 2W/4W E&M systems, these leads are not...

CHAPTER 3 NDA-24234
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Revision 3.0
INSTALLATION PROCEDURE
3. CROSS CONNECTIONS FOR PFT
Note 1:
The COT must be accommodated in a universal slot of the same Unit (U) in which the cross-connected PFT
is mounted.  See the figure below.
Note 2:Provide the necessary cross connections at the MDF by using copper wires of 0.5 mm diameter (24 AWG).
2-core twisted wire is used for speech path, and single-core wire is used for control wire.  It is recommended
that wires of different colors be used for...

NDA-24234 CHAPTER 3
Page 205
Revision 3.0
INSTALLATION PROCEDURE
NAP-200-015
Sheet 6/30
Cable Termination and Cross 
Connections from MDF to Peripheral 
Equipment, C. O. Lines, and Tie Lines
START
Check the terminal locations on 
the Module Group side of the MDFReferring to Section 1., “CROSS CONNECTION OF 
STATIONS” and Section 2., “CROSS 
CONNECTION OF TRUNKS (C.O. LINES AND TIE 
LINES)” in this NAP, identify the lead names of the 
stations and trunks to be connected to the PFT (NCU) 
card and the...

CHAPTER 3 NDA-24234
Pag e 20 6
Revision 3.0
INSTALLATION PROCEDURE
Figure 015-4  Cross Connection for PFT
NAP-200-015
Sheet 7/30
Cable Termination and Cross 
Connections from MDF to Peripheral 
Equipment, C. O. Lines, and Tie Lines
PBX
COT
PFT(PA-M53) CardLT   
AXX
BXX
LT  
AXX
BXX
MDF MDF
NCU
ROXX
TOXX
RIXX
TIXX
NCU
AOXX
BOXX
AIXX
BIXX Analog TelephoneInstallation Cable

:        When PIM Power is OFF
:        When PIM Power is ON
LC
Central
Office 

NDA-24234 CHAPTER 3
Page 207
Revision 3.0
INSTALLATION PROCEDURE
4. CROSS CONNECTION OF ALARM INDICATING PANEL AND MUSIC ON HOLD
Note:
Provide the necessary cross connections at the MDF by using copper wires of 0.5 mm diameter (24 AWG).
2-core twisted wire is used for speech path, and single-core wire is used for control wire.  It is recommended
that wires of different colors be used for trunks, station lines, PFT, etc., so that they can easily be distin-
guished.
Alarm Indicating Panel
Music On Hold...

CHAPTER 3 NDA-24234
Pag e 20 8
Revision 3.0
INSTALLATION PROCEDURE
Figure 015-5  Connection of Alarm Indicating Panel and Music on Hold (Single IMG Configuration)
NAP-200-015
Sheet 9/30
Cable Termination and Cross 
Connections from MDF to Peripheral 
Equipment, C. O. Lines, and Tie Lines
Locations of Terminal and Connector
General Cable Connection for Alarm Indicating Panel
FRONT VIEW REAR VIEW
LPR
BASEU BZ-C21
RPT Terminal (PZ-M377)
TPWR
FA L M
-48VGND
(RPT0) (RPT1)EXALM LPR
BASEU
FRONT VIEW
REAR...

NDA-24234 CHAPTER 3
Page 209
Revision 3.0
INSTALLATION PROCEDURE
Figure 015-5  Connection of Alarm Indicating Panel and Music on Hold (Single IMG Configuration) (2/2)
NAP-200-015
Sheet 10/30
Cable Termination and Cross 
Connections from MDF to Peripheral 
Equipment, C. O. Lines, and Tie Lines
16 PH EXALM CA cable
Pin Assignment16 PH EXALM CA and
Installation Cable (25P)
MDF
MUSIC
SOURCE
Audible and Visual
Alarm Indicating Panel
MN
BELL MJ FM0
E
MJA
MNA
BELL
MJB
MNB
RPT1 (G)
RPT0 (48v)
PIN
No.
26
27
28...

CHAPTER 3 NDA-24234
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Revision 3.0
INSTALLATION PROCEDURE
Figure 015-6  Connection of Alarm Indicating Panel (Multiple IMG Configuration) (1/2)
NAP-200-015
Sheet 11/30
Cable Termination and Cross 
Connections from MDF to Peripheral 
Equipment, C. O. Lines, and Tie Lines
Locations of Terminal and Connector
General Cable Connection for Alarm Indicating Panel
FRONT VIEW
RPT Terminal (PZ-M377)
TPWR
FA L M
-48VGND
(RPT0) (RPT1) LPR
BASEU
FRONT VIEW
REAR VIEW
01234
12 34 512 34 5
LPR
LPR BSCF
-48V...