VarTech Systems VT181M2 User Manual - page 6
R.G.B.H.V.
BNC inputs for analog signals
These inputs allow monitor to
be used with BNC connector
leads with
3 wire operation
(sync on green)
4 wire operation
(composite
syncs)
5 wire operation
(separate H,V syncs)
R,G,B inputs have 75Ω input
resistance. H,V inputs must be
TTL level inputs.
Signal Connections Cont.
The power and signal inputs to the monitor are located on the rear of the unit.
4
POWER INPUT
Connector: 3 pin circular locking type
Pin Number Function
1 +12VDC
2 0V
3 15-30VDC
DIN41524
3
1
2
Pin Number
Function
1 Red
video
2 Green
Video
3 Blue
Video
4 Not
connected
5 Not
connected
6 Red
ground
7 Green
ground
8 Blue
ground
9 Not
connected
10 Sync
ground
SIGNAL INPUT
Standard hi-density 15way video connection
11 Not
connected
12 Not
connected
13
Horizontal sync
14 Vertical
sync
15 Not
Connected
TTL Input
This 9 way D connector allows monitor to operate with TTL
video from EGA/CGA PC’s or other TTL graphics cards.
Default factory setting is for 6 bit video. Factory set jumpers
can select 3 or 4 bit video if required.
Pin
Number
Function
3 bit video
4bit video
6 bit video
1
GND (0v) GND (0v) GND (0v)
2 NC
NC
Red
Intensity
3 Red
Red
Red
4 Green
Green
Green
5 Blue
Blue
Blue
6 NC
NC
Green
Intensity
7 NC
NC
Blue
Intensity
8
Horizontal Sync
Horizontal Sync Horizontal Sync
9
Vertical Sync
Vertical Sync
Vertical Sync
COMMS
This connector is used in the factory or by service
technician to program the monitor with setup
information. The User should not attempt to use
this connector.
2.3