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15.2.8 Color Graphical Display or LED Display
The display is located in the front of the unit. Front panel display is either an LCD touch screen dis-
play for monitoring and configuring the unit, or an LED panel to monitor the unit's status.
See Figure 31 on page 49 for a drawing of the touch screen display. See Figure 50 on page 100 for
the layout of the LED display.
15.2.9 RS-232 Port
The unit is equipped with an RS-232 port for connecting a terminal or PC.
See Figure 29 on page 47 for the port's location.
See 12.1 - Using the RS-232 Port on page 70 for instructions on using a PC terminal with the
unit.
15.2.10 Terminal Port Connections
The system has an asynchronous serial port configured as Data Terminal Equipment for terminal
access only (half duplex). The CPU services the terminal port with no handshaking. The serial port
conforms to RS-232 levels with a data format of 9600 Baud, 1 start bit, 8 data bits, and no parity
bits. The serial port is 1000 Volt DC isolated (non-SELV) and ESD protected to 15kV air discharge.
The connector is a 6 Pin MTA plug with connections shown below.
Table 23
MTA Plug Pinout
Pin
1
2
3
4
5
6
A DB9 male connector is added and connected parallel to the 6 position header. It is configured as
DTE.
Table 24
DB9 Pinout
Pin
1
2
3
4
5
6
7
8
9
Signal Name
ISO_GND
Isolated service terminal ground
ISO_TXD
Isolated service terminal transmit output
ISO_RXD
Isolated service terminal receive input
NC
No Connection
NC
No Connection
NC
No Connection
Signal Name
NC
No Connection
ISO_RXD
Isolated service terminal transmit output
ISO_TXD
Isolated service terminal receive input
NC
No Connection
ISO_GND
Isolated service terminal ground
NC
No Connection
NC
No Connection
NC
No Connection
NC
No Connection
Function / Comments
Function / Comments
Specifications
111
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