Hardware manual

Communication Interface
120
Serial Interface (COM1)
Introduction
The serial interface is used to communicate with devices supporting protocol as a
master.
To enable communications through serial l
inks, the LT includes an RS-232/485
serial interface.
Serial Port Connector
The figure shows the location of the RJ45
ser
ial interface on the rear module:
Do not confuse the RJ45 serial interface with the RJ45 Ethernet interface.
R
S-232C Characteristics
NOTE: T
he maximum baud rate for the serial commun
ication depends on the
protocol used.
Characteristic Description
Connector type RJ45
Isolation None
Maximum baud rate 115,200 bps
Cable Type Shielded
Maximum length 15 m (49 ft)
5 Vdc power supply for RS-232C None