Juniper Networks SSG 20 Port Descriptions, LAN Port LEDs Name Color Status Description, Link

Port Descriptions

This section explains the purpose and function of the following:

„Ethernet Ports

„Console Port

„AUX Port

Ethernet Ports

Five 10/100 Ethernet ports provide LAN connections to hubs, switches, local servers, and workstations. You can also designate an Ethernet port for management traffic. The ports are labeled 0/0 through 0/4. For the default zone bindings for each Ethernet port, see “Default Device Settings” on page 31.

When configuring one of the ports, reference the interface name that corresponds to the location of the port. From left to right on the front panel, the interface names for the ports are ethernet0/0 through ethernet0/4.

Figure 4 displays the location of the LEDs on each Ethernet port.

Figure 4: Activity Link LEDs Location

TX/RXLINK

Table 3 describes the Ethernet port LEDs.

Table 3: LAN Port LEDs

Name	Color	Status	Description
LINK	Green	On steadily	Port is online.
		Off	Port is offline.
TX/RX	Green	Blinking	Traffic is passing through. The baud rate is
		Off	proportional to the link activity.
			Port might be on but is not receiving data.

Console Port

The Console port is an RJ-45 serial port wired as data circuit-terminating equipment (DCE) that can be used for local administration. Use a straight-through cable when using a terminal connection and a crossover cable when connecting to another DCE device. An RJ-45 to DB-9 adapter is supplied.

See “Connectors” on page 60 for the RJ-45 connector pinouts.

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