Black Box LRU4240 - Manual (Page 115)

Dual Trunk E1 Router
Dual Trunk E1 Router User’s Guide TECHNICAL: 0118 96 56 000 103
Software Upgrade C
S
OFTWARE
D
OWNLOAD
The Download feature enables you to upgrade software, and includes the following capabilities:
• Separates the downloading operation from switching to new software, where these operations
can be performed at separate times. You can schedule a time at which the unit can be initialized
with the new code.
• Command remotely using SNMP the TFTP/XModem download and code switching
• The unit stores two images of executable code; you can switch between the two images.
• Enables downloading of the new software while the unit is operational and passing data. The
code can be downloaded through:
• Xmodem via the terminal user interface using an asynchronous connection.
• TFTP from a network management station to the unit via SLIP using an asynchronous
connection or through NET or Ethernet Ports in-band.
• TFTP via Ethernet.
Using the Download Menu Utility
Use the Download Utility menu, accessed through Menu-4, Main Configuration, to download
software updates. You may use the Xmodem protocol or TFTP. When switching from one
executable image to another, the operational software in the unit is restarted, which results in a
temporary service interruption lasting from one to two minutes.
During the download sequence, the Power/Test LED will blink alternating red and green.
Setting Up for Xmodem
To download new software:
1. Insert the new software diskette in the drive of the PC.
2. From Menu-4 Main Configuration, type
F
(as instructed in the menu for FLASH
Download) to start the download session.
3. Menu 4F (Software Download Menu) will appear
4. Select the Protocol (Xmodem or TFTP) to Xmodem under
Protocol
.
5. Press
A
to start the download.
Setting Up for TFTP
Use these steps to set up for TFTP::
1. Set the download protocol in the Download utility to TFTP.