Juniper JUNOS OS 10.4 - RELEASE NOTES - Page 103

Table 4: SRX220 Services Gateway Built-In Hardware Interfaces
DescriptionSpecificationsInterface Type
The Gigabit Ethernet ports can be used
as follows:
•
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)
Eight ports that:
•
Are labeled 0/0 through 0/7 on the
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.
Gigabit Ethernet
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.
Two ports that:
•
Function in full speed and high speed
•
Comply with USB revision 2.0
Universal Serial Bus (USB)
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
One port that:
•
Uses an RJ-45 serial cable connector
•
Supports the RS-232 (EIA-232)
standard
Console
103Copyright © 2010, Juniper Networks, Inc.
New Features in Junos OS Release 10.4 for SRX Series Services Gateways and J Series Services Routers