NEC Neax 2400 Imx Installation Manual

NDA-24234 CHAPTER 3
Page 231
Revision 3.0
INSTALLATION PROCEDURE
Figure 016-2  Cable Connection Diagram for Desk Console (1 of 2)
NAP-200-016
Sheet 2/41
Installation of the Desk Console and 
Cable Connection
To connect DESK CONSOLE(s), the PA-CS33 card is used as the interface card. The card may be mounted
in slot No. 12 or in slot No. 23. The leads appear on LT5 and LT11 respectively. However, when replacing
Attendant Console with DESK CONSOLE, the leads appear on the LT connector on the ATT TERM (See...

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INSTALLATION PROCEDURE
Figure 016-2  Cable Connection Diagram for Desk Console (2 of 2)
NAP-200-016
Sheet 3/41
Installation of the Desk Console and 
Cable Connection
PZ-M377
0TPWR
FA L M
11
-48V
GND
PBX
RPT
terminal
BASEU
FRONT VIEW GND BASEU RPT Terminal
(PZ-M377)AT I
(PA-CS33) LT connectorLT Connector CablePBX
A2
B2
BN4820(-48V)
BN4821(-48V)A2
B2
BN4820(-48V)  
BN4821(-48V)  
A3
B3
BN4830(-48V)
BN4831(-48V)  A3
B3
BN4830(-48V) 
BN4831(-48V) 
MDF IDF
GND
GND...

NDA-24234 CHAPTER 3
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Revision 3.0
INSTALLATION PROCEDURE
Note:
When replacing Attendant Console with DESK CONSOLE, follow the procedure below:
1 Turn OFF the PWR card in the PIM.
2 Remove installation cables connected to ATT0, ATT1 and LT connectors on the ATT TERM.
3 Remove installation cables connected to the following connectors:
RLT connector on the ATT TERM
ATI0 and LT5, ATI1 and LT11 connectors on the PIM
4 Install DESK CONSOLE using the LT connector on the ATT TERM.
5 Turn ON the PWR...

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INSTALLATION PROCEDURE
1. CABLE CONNECTION DIAGRAM
(a) When the power is supplied from the PBX
Figure 016-3  Cable Connection Diagram (When the Power Is Supplied from the PBX)
The maximum distance between the ATI circuit card and DESK CONSOLE is as shown below.
When exceeding the distance above, calculate the distance referring to the next page.
NAP-200-016
Sheet 5/41
Installation of the DESK CONSOLE and 
Cable Connection
Source 0.5 φ
 Cable 0.65  φ
 Cable
PBX...

NDA-24234 CHAPTER 3
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Revision 3.0
INSTALLATION PROCEDURE
2. CALCULATION OF THE DISTANCE BETWEEN THE ATI CIRCUIT CARD AND MODULAR ROSETTE
The distance M in Figure 016-3 is determined by the Direct-Current resistance of power supply cables (–48V and
GND). Note that the maximum resistance is 26 
Ω as shown in the following formula:
M = a + b + c 
≤ 26 
Ω
M: Maximum Direct–Current resistance between the ATI circuit card and Modular Rosette
a: Direct-Current resistance of power supply cables (–48V and...

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INSTALLATION PROCEDURE
(b) When using Local Power Supply Note
Note:
When using local power supply, DESK CONSOLE cannot be used in case of power failure.
Figure 016-4  Cable Connection Diagram (When Using Local Power Supply)
The maximum distance between the ATI circuit card and DESK CONSOLE is as shown below.
NAP-200-016
Sheet 7/41
Installation of the DESK CONSOLE and 
Cable Connection
Source 0.5φ
Cable 0.65φ
Cable
Local Power Supply 1,200 m (3,937 ft.) 1,500 m...

NDA-24234 CHAPTER 3
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Revision 3.0
INSTALLATION PROCEDURE
Figure 016-5  Cable Connection Diagram for DESK CONSOLE Modular Block
NAP-200-016
Sheet 8/41
Installation of the DESK CONSOLE and 
Cable Connection
Wire the cables to the Modular Block as shown below.
Modular Jack
Bottom View
DESK CONSOLE
PA G E
(8-core)LINE
(6-core)REC
(8-core)
6-core Modular Cable6-core Modular BlockIDF/MDF
Viewed from direction
to be inserted
123456DESK CONSOLE
TransformerSurge
Protection
DC/DC
ConvertorGND
–48V/–24V...

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INSTALLATION PROCEDURE
3. MOUNTING OF HEADSET (OPTIONAL)
The Headset cable is connected to one of the modular jacks (HAND H/S 0 or H/S 1) on the bottom of DESK
CONSOLE.
Figure 016-6  Headset
NAP-200-016
Sheet 9/41
Installation of the DESK CONSOLE and 
Cable Connection
Voice Tube
HAND
H/S0
H/S1
Note:In daily use, use Quick Disconnect when connecting/disconnecting the Headset.
Slide
Closing
Clip
Quick Disconnect
PIN1 TX
2 RX
3 RX
4 TX
PIN1
(+)
(–)
Modular Plug...

NDA-24234 CHAPTER 3
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INSTALLATION PROCEDURE
4. MOUNTING OF HANDSET (OPTIONAL)
The Handset cable is connected to the modular jack (HAND H/S 0) on the bottom of DESK CONSOLE.
(a) When mounting at the left side of DESK CONSOLE (Standard)
Figure 016-7  Mounting of Handset (Left Side of DESK CONSOLE)
NAP-200-016
Sheet 10/41
Installation of the DESK CONSOLE and 
Cable Connection
6. Put the Handset code through the hole as shown below.
(DESK CONSOLE side)(Handset side) Handset code
Hole...

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INSTALLATION PROCEDURE
Figure 016-7  Mounting of Handset (Left Side of DESK CONSOLE) (Continued)
NAP-200-016
Sheet 11/41
Installation of the DESK CONSOLE and 
Cable Connection
7. Connect the Handset code to HAND H/S0 connector as shown below (H/S1 is not used for the Handset).
Bottom View of DESK CONSOLE Top View
Bottom View
H/S1HAND
H/S0
Handset code