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724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
Page 11
Chapter 2: Overview
Table 2-2. LES431A components.
Number in Figure
2-1 or 2-2 Component Description
1 (1) RJ-45 connector
Connects a standard Ethernet network drop using a straight-through RJ-45 male Ethernet cable.
2 (1) 5-position terminal block connector
Connects to an RS-422 or RS-485 serial device when the DB9 M (RS-232) connector is disabled.
3 (1) DB9 male connector
Connects to an RS-232 serial device when the 5-position terminal block (RS-422/RS-485) is disabled.
4 (1) 2-wire terminal block connector
Removable 2-position terminal block with +, -, and chassis ground connections.
5 (1) Serial Port LED
Flashes green when data is being transmitted or received on the serial port.
Lights steady green when the serial port is open.
6 (1) Ethernet Link LED
Lights when a connection to the network is made.
Blinking when there is data traffic on the Ethernet link.
7 (1) Ready LED
Blinks once per second when the system is operating correctly.
Blinks three times per second in reset, configuration mode, or when loading factory defaults.
Off or steady On when the system is not operating correctly.
8 (1) Reset mode switch
Used to initiate a hardware reset, enter console mode, or reload factory defaults.
2.5 Modbus Hardened Serial Server Configuration Software
Modbus Hardened Serial Server configuration software enables you to find connected Modbus Hardened Serial Servers, configure
them, upgrade Modbus Hardened Serial Server firmware, and save/load configuration files. Its graphical user interface (GUI) is
convenient and easy to use.