Dell PowerConnect J-SRX240, Руководство по оборудованию

Страница: 29 / 160

J-SRX240 Services Gateway Built-In Interfaces
Table 9 on page 13 summarizes the interface ports supported on the J-SRX240 Services
Gateway.
Table 9: J-SRX240 Services Gateway Built-In Interfaces
Usage Description Interface Type
Function as front-end network ports and provide LAN and
WAN connectivity to hubs, switches, local servers, and
workstations. • 16 ports built into the chassis
front panel
•
Labeled as port ge–0/0/0 to
ge–0/0/15
• Provide link speeds of
10/100/1000 Mbps
• Operate in full-duplex and
half-duplex modes
NOTE: On the PoE and Voice
models of the J-SRX240 Services
Gateway, all 16 Gigabit Ethernet
ports support PoE.
Gigabit Ethernet
• Support a USB storage device that functions as a
secondary boot device in case of internal flash failure
on startup.
NOTE: To use USB to boot your services gateway, you
must install and configure the USB storage device on the
USB port to use it as a secondary boot device. Additionally,
the USB device must have JUNOS installed.
• Provide the USB interfaces that are used to
communicate with many types of USB storage devices
compatible with JUNOS Software.
Contact a customer service representative for more
information.
• Two ports built into the chassis
front panel
•
Labeled usb 0 and usb 1
• Function in the following
modes:
• Full speed
• High speed
•
Compliant with USB revision
2.0
Universal Serial Bus (USB)
• Functions as a management port to log into a device
directly.
• Provides the interface to configure the device using the
CLI.
• One port built into the chassis
front panel
• Uses an RJ-45 serial cable
connector
• Supports the RS-232 (EIA-232)
standard
Console
• Provide an interface to connect analog phones, fax
machines, or similar devices.
•
Supply battery power, ringing voltage, dial tone, and
so on to the station.
NOTE: There is a hardware relay between the built-in
FXO1 interface and the FXS2 interface. The relay
automatically connects the FXS2 port and the FXO1 port
in the event of a power failure.
• Two ports built into the chassis
back panel
•
Use an RJ-11 connector
Foreign Exchange Subscriber
(FXS) interface
13
Chapter 2: J-SRX240 Services Gateway Hardware Components and Specifications