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NEC Display Solutions of America, Inc. 

 

                              

 

PC Control Connectors and Cables for NEC Plasma and Projectors    

 

v2.1  

NEC labels the connector for RS232C serial communication the “PC Control” port.  
This PC Control port can be used for the following functions:  

• Communication from an AMX, Crestron or Extron control system.  
• Communication from a PC using the NEC PC Control Utility for basic projector control.  
• Communication from a PC using the NEC Geometric Correction Tool for adjusting a projector to display an image on a 
   cylindrical, spherical or corner screen.  
• Communication from a PC using the NEC Image Express Utility to send images to the projector for presentations as 
   well as basic projector control, projector lamp and error status or asset management. (These functions can also be 
   accomplished via LAN or USB with models that have a network interface, optional network PC card or USB interface)  

 
NEC uses two types of connectors for the PC Control port, a D-Sub 9pin for larger projectors and a mini-DIN 8pin for smaller 
projectors due to space constraints on those models.  
 

Models with D-Sub 9Pin PC Control port: 

 

GT1150/2150/5000/6000/6000R  
LT280/380 
MT1060/1065/1075 
NP1000/2000/3150/4000/4001 
VT770 
PX-42VP5/42VM5/42VR5/42XM3/42XM4/42XM5/42XR3/42XR4/42XR5/42XP10/42XC10 
PX-50XM4/50XM5/50XM6/50XR4/50XR5/50XR6/50XP10/50XC10 
PX-61XM3/61XM4/60XM5/61XR3/61XR4/60XR5/60XP10/60XC10 
 
A standard D-Sub 9P female to D-Sub 9P female “Null Modem” or “Cross” cable can be obtained at a local computer or 
electronics store. A “Straight Through” cable will not work.  
If you prefer to assemble your own cable, you can use the pin out information below.      

 

D-Sub 9P Female

D-Sub 9P Female

Pin 2

Pin 2

Pin 3

Pin 3

Pin 5

Pin 5

Pin 7

Pin 8

GND

GND

*Tie Pin 7 & 8 together at both ends of the cable if desired

TxD

RxD

RxD

TxD

Pin 7

Pin 8

 
 
 
 
 
 
 
 
 

 

Note: The TheaterSync uses a “Straight Through” D-Sub 9P Male to 9P Female cable. 

 

Models with mini-DIN 8Pin PC Control port: 

 

HT410/510/1000/1100 
LT180 
LT30/35 
LT240/260/245/265 
NP40/50/60 
VT37/47/470/570/575/670/676/48/480/580/49/490/491/590/595/695/700 
WT600/610  
 
A cable can be purchased from NEC using the following part number. (Service P/N: 73499390)  
If you prefer to assemble your own cable, use the pin out information below and the following tips. Soldering a mini-DIN 
connector can be tedious. To simplify the cable assembly, you can purchase a MAC or Sun type keyboard/mouse cable 
(mini-DIN 8P) at a local computer store. Cut a DIN connector from one end and attach a D-Sub 9P Female to that end using 
the pin out below.  

1

2

3

4

5

6

7

8

Note: Do not confuse Pins 1 & 2
on the mini-DIN 8P connector.
Pin 1 is below Pins 3 & 4 which
are offset to one side of the
connector.

 

Pin 2

Pin 3

Pin 5

Pin 7

Pin 8 

Pin 7

Pin 1 

Pin 4 

D-Sub 9P Female

mini-DIN 8P Male

GND

GND

RxD

RxD

TxD

TxD

*Tie Pin 7 & 8 together if desired

 
 
 
 
 
 
 
 
 
NOTE1: 
It is recommended to set the projector to “Idle Mode” in the Setup menu for best Power ON response. 

 

NOTE2: For long cable runs it is recommended to set communication speed to 9600 bps in the Setup menu. 

 

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