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JUNOS OS 10.4 Release Notes
Table 4: SRX220 Services Gateway Built-In Hardware Interfaces
Interface Type
Gigabit Ethernet
Universal Serial Bus (USB)
Console
112
Specifications
Eight ports that:
Are labeled
through
0/0
0/7
front panel
Use RJ-45 connectors
Provide link speeds of 10/100/1000
Mbps
Operate in full-duplex and half-duplex
modes
Support flow control
Support autonegotiation and
autosensing
All Gigabit Ethernet ports support Power
over Ethernet on the PoE and media
gateway model of the SRX220 Services
Gateway.
Two ports that:
Function in full speed and high speed
Comply with USB revision 2.0
One port that:
Uses an RJ-45 serial cable connector
Supports the RS-232 (EIA-232)
standard
Description
The Gigabit Ethernet ports can be used
as follows:
on the
To function as front-end network
ports
To provide LAN and WAN connectivity
to hubs, switches, local servers, and
workstations
To forward incoming data packets to
the device
To receive outgoing data packets from
the device
To connect power devices to receive
network connectivity and electric
power (PoE functionality) (For the
PoE and media gateway model of the
SRX220 Services Gateway)
The USB ports can be used as follows:
To support a USB storage device that
functions as a secondary boot device
in case of CompactFlash failure on
startup (if the USB storage device is
installed and configured).
NOTE: You must install and configure
the USB storage device on the USB port
to use it as secondary boot device.
Additionally, the USB device must have
Junos OS installed.
To provide the USB interfaces that are
used to communicate with many
types of USB storage devices
supported by Juniper Networks.
Contact your Juniper Networks customer
service representative for more
information.
The console port can be used as follows:
To provide the console interface
To function as a management port to
log into a device directly
To configure the device using the CLI
Copyright © 2011, Juniper Networks, Inc.
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