Black Box 1-, 2-, and 4-Port Hardened Serial Servers 3 4-Port Hardened Serial Server LES424A

Chapter 2: Overview

			Table 2-3. LES422A components.
Number in Figure
2-3 or 2-4	Component		Description
1	(1)	RJ-45 connector	Connects a standard Ethernet network drop using a straight-through RJ-45 male Ethernet cable.
2	(2) DB9 male connectors		Connects to RS-232, RS-422, or RS-485 serial devices.
3	(1)	2-wire terminal block connector	Removable 2-position terminal block with +, -, and chassis ground connections.
4	(2) Serial Port LEDs		Flashes green when data is being transmitted or received on the serial port.
			Lights steady green when the serial port is open.
5	(1)	Ethernet Link LED	Lights when a connection is made.
			Flashes when there is data traffic on the Ethernet link.
			Lights green continuously when the unit is initializing.
6	(1)	Ready LED	Flashes once per second when the system is operating correctly.
			Off when something is wrong, for example, another device uses the same IP address.
7	(1)	Reset button	Used to initiate a hardware reset, enter console mode, or reload factory defaults.

2.4.3 4-Port Hardened Serial Server (LES424A)

Figures 2-5 and 2-6 show the front and side panels of the LES424A. Table 2-4 describes its components.

4 3 4 5 6 5 6

3

2

1

7	7	5	6	5	6
	Figure 2-5. LES424A front panel.

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