Neptune 5500
8
2.2
CONNECTING THE SERIAL PRINTER, REMOTE DISPLAY OR COMPUTER
The NEPTUNE 5500 series indicator comes standard with a serial port,
designated COM1 and a second port specified for the TTL outputs designated as
COM2. COM1 is a full duplex, RS-232 port designed for connection to either a
PC or a serial printer. COM2 is a 5 volt TTL port for connection to external relays.
Figure 2-1 shows the serial port connections to the main board.
2.3
CONNECTING THE POWER SUPPLY
1. The indicator ships standard with an internal AC to DC adapter. Simply plug the
AC line cord into a standard wall outlet.
2. Make sure that the AC voltage appearing at the wall outlet matches the input
voltage marked on the AC adapter.
