Initializing the System and Downloading Software
Page 64 7210 SAS-D Installation Guide
Press Enter if you want to send out untagged packets. Otherwise, enter the VLAN tag. 
uplinkB Port Setting
--------------------
uplinkB port is disabled for Boot Interface Management,
Press ENTER to proceed with no uplinkB port settings
Or "enable" to enable the port for Boot Interface Management:
Enter disable since we do not want the backup link.
Press Enter.
New Settings
------------
primary-image      ftp://*:*@10.10.170.22/./images/both.tim
primary-config     cf1:\config.txt
#uplinkA Port Settings:
uplinkA-port       1/1/10
uplinkA-address    10.135.4.172/10
uplinkA-vlan       0
uplinkA-route      10.10.170.0/10 next-hop 10.135.4.1
#System Settings:
wait               3
persist            off
console-speed      115200
Do you want to overwrite cf1:/bof.cfg with the new settings? (yes/no):
Type yes and press Enter. The 7210 SAS-D should boot now.
Primary image location: ftp://*:*@10.10.170.22/./images/both.tim
Initializing uplinkA port using IP addr 10.135.4.172.
Loading image ftp://*:*@10.10.170.22/./images/both.tim
Version B-3.0.R4, Wed Apr 20 22:44:35 IST 2011 by builder in /builder/3.0B5/
R4/panos/main
text:(25061599-->122246984) + data:(3180415-->18748616)