NEC Neax 2400 Imx Installation Manual

NDA-24234 CHAPTER 5
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INSTALLATION TEST PROCEDURE
NAP-200-025
Sheet 1/1
Station to Station Connection Test
START
Confirm that a connection can be established between Station “A” and Station “B.”
Station “A” goes off-hook.
Station “A” hears DT.
Station “A” dials the station number of Station “B.”
Station “A” confirms that DT stops when the first digit has been dialed.
Station “A” confirms that RBT (Ring Back Tone) is heard after dialing ends.
Station “B” hears ringing on the telephone...

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3. SYSTEM INITIALIZED TEST
3.1 Outline
Tests are to be performed on the restart processing (reinitialization) and system changeover functions which en-
able the system to restart its operations and services.
3.2 System Initialized Test Procedure
The System Changeover Test and Initialization Tests are to be performed per the NAP Numbers indicated to the
right of each item in the following flowchart.
START
System Changeover...

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INSTALLATION TEST PROCEDURE
Test Outline:
Tests are performed to see if a changeover of the dual systems (Control Systems and Speech Path Systems) of the
PBX can be executed.
NAP-200-026
Sheet 1/7
System Changeover Test Single IMG and Multiple IMG Configuration
START
Perform a Control System Changeover test by switch operations
Control System change-
over via MBR switch on 
the DSP (PZ-DK224) 
cardOn the DSP card of which OPE lamp is turning ON, flip the 
“MBR”...

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INSTALLATION TEST PROCEDURE
Figure 026-1  How to Perform a Control System Changeover (Single IMG Configuration)
Figure 026-2  How to Perform a Control System Changeover (Multiple IMG Configuration)
NAP-200-026
Sheet 2/7
System Changeover Test Single IMG and Multiple IMG Configuration
ATTENTIONContents
Static Sensitive
Handling
Precautions Required
Flip the MBR switch
on the DSP.CPUOPEWDT
IMG0
IMG1
IMG2 IMG3 MBR
LegendDSP in ACT modeDSP in ST-BY mode
: Lamp is...

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Figure 026-3  LEDs and Switches on TSW/MUX
NAP-200-026
Sheet 3/7
System Changeover Test Single IMG Configuration
Perform a TSW system changeover test by means of switch operations. (Refer to Figure 026-3)
TSW changeover via 
switch.On the TSW (PH-SW10) card on which the “TSW 
ACT” lamp is turning ON, flip the “TSW MBR” switch 
DOWN-UP-DOWN.
System Messages “7-E,” “7-F” and “1-T” are displayed 
in succession.
Perform a PLO system...

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NAP-200-026
Sheet 4/7
System Changeover Test Multiple IMG Configuration
Perform a Speech Path system changeover test by switch operations. (Refer to Figure 026-4)
TSW changeover via 
switchOn the active GT (PA-GT09) card on which the “OPE/MB” 
lamp is illuminating, flip the “MBR” switch DOWN-UP-
DOWN.
Make sure that the active Speech Path system has been 
changed over to the ST-BY mode. (Check all the related 
circuit cards, which...

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INSTALLATION TEST PROCEDURE
Figure 026-4  LEDs and Switches for System Changeover (Multiple IMG Configuration)
NAP-200-026
Sheet 5/7
System Changeover Test Multiple IMG Configuration
ATTENTIONContents
Static Sensitive
Handling
Precautions Required
MUX (PH-PC36)
MUX ACT
MBTSW (PH-SW12)GT (PA-GT09)
OPE/MB
MBRMBDLKC (PH-PC20)
OPE/MB
MB
FRONT VIEW
TSW ACT
TSW MBRMB
PLO Note 1
OPE/ACT Note 2
MB
Note 1:PH-CK16/PH-CK17, or PH-CK16-A/PH-CK17-A
Note 2:“OPE” for...

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Figure 026-5  System Block Diagram (TSW and MUX) (Multiple IMG Configuration)
NAP-200-026
Sheet 6/7
System Changeover Test Single IMG Configuration
LC/TRK
LC/TRK
LC/TRK
LC/TRK
MUX
MUX
MUX
MUX TSW/INT/PLO
CPU
GT
LANI
PCM HW
PM BUS
PCM HW
PM BUS
PCM HW
PM BUS
PCM HW
PM BUS
D
T
GTSW/INT
PLOLV D S
MUX
CFT From EM A
MUSIC
MUX
LC/TRK
PHSW10DTI DCS
CPR 

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Figure 026-6  System Block Diagram (GT and Other Controlling Blocks) (Multiple IMG Configuration)
NAP-200-026
Sheet 7/7
System Changeover Test Multiple IMG Configuration
This figure shows a system block diagram centering on the CPU and its controlling GT. Although each side ap-
pears to have complicated connections, the controlling route of CPU 0 goes directly to GT 0, and that of CPU 1
to GT 1. Therefore, if the system of CPU  is once...

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Figure 026-7  System Block Diagram (Speech Path) (Multiple IMG Configuration)
NAP-200-026
Sheet 8/8
System Changeover Test Multiple IMG Configuration
This figure shows a system block diagram centering on the GT and its controlling Speech Path System. By chang-
ing over the ACT/ST-BY of the Speech Path System, all the related systems, such as TSW/INT, DLKC, and MUX,
are totally switched over. The changeover can be executed by a key...