Hardware Reference Guide 77
PRODUCT OVERVIEW
Console Port
Use the RJ45 Console port to make a serial connection between your computer and the switch to access
the CLI.
The management station from which you connect to the device must have a VT100 emulation program,
such as Tera Term Pro
©
(a free terminal emulator) or Hilgraeve Hyperterminal
®
(provided with Windows
®
operating systems from Windows 95 to Windows XP). The serial connection settings are as follows:
• bits per second: 9600
•data bits: 8
•parity: none
•stop bits: 1
• flow control: none
For Console port pin assignments see "RJ45 Console Port Pin Assignments" on page 113.
Reset Button
To reset the device or restore factory default settings, insert a paper clip or similar tool into the pinhole and
press the reset button. To reboot the device, hold the button down between 1 and 5 seconds. To return the
configuration to the default settings, hold the button down for 5 seconds or longer. When you release the
button, the status LED goes dark as the system reboots, then turns amber while the firmware loads and the
system performs a self-test. After the firmware has finished loading and the switch has connected to
HiveManager, the device status LED glows steady white.
USB Modem Port
SR Series switches can use a wireless USB modem for a WAN connection. The typical use of a USB modem is
to act as a backup to the ETH0/WAN interface; however, for locations where an Ethernet connection to the
WAN is not possible, you can use the USB modem as the primary (and only) interface to the WAN.
Before you can use a modem with any Aerohive device, you must first have the modem activated. You can
have this done in the store where you purchased the modem, or you can install software such as the Verizon
VZA Access Manager on your computer, connect the modem to the USB port on your computer, preferably
at the site where you plan to deploy the switch to confirm that the modem is working properly and that
there is adequate wireless network coverage in your location.
Aerohive currently supports the following USB modems:
• AT&T Shockwave and AT&T Momentum
• Sierra Wireless 308U, 310U, 312U, 313U, 319U, 320U, and 326U
• Verizon Pantech 290
• Huawei E220, E1752, and UMG366
• Novatel 551L
SFP Uplink Ports
Four SFP (small form pluggable) ports accommodate any combination of copper or fiber SFP modules (up to
1 Gbps) for additional uplink capacity. SFP modules can be used to connect a broadband modem or other
uplink device (such as a router, switch, or hub). SFP ports are typically used for capacity planning and to
leverage the higher network bandwidth capabilities and speeds typically offered by SFP modules.
You can order SFP modules from Aerohive, or purchase your own modules. The SR2024 supports all
industry-standard modules.
The international counterparts for the Momentum and Shockwave modems (the Sierra Wireless
Aircard 310U, 312U, and 320U) can also be used with these switches.
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