LLDP on ProSafe GSM7248

Has anyone have much luck enabling LLDP on ProSafe GSM 7248 class managed switches?

Below are my attempts

(GSM7248) (Config)#ll?

(GSM7248) (Config)#

(GSM7248) >ena
Password:

(GSM7248) #?

cablestatus Test the cable attached to an interface.
clear Reset configuration to factory defaults.
configure Enter into global config mode.
delete Deletes file.
copy Uploads or Downloads file.
disconnect Close active remote session(s).
dot1x Configure dot1x privileged exec parameters.
exit To exit from the mode.
Ezconfig Run the easy configuration.
help Display help for various special keys.
ip Configure IP parameters.
logout Exit this session. Any unsaved changes are lost.
network Configuration for inband connectivity.
ping Send ICMP echo packets to a specified IP address.
reload Reset the switch.
save Save the running configuration to NVRAM.
script Apply/Delete/List/Show/Validate Configuration Scripts.
set Set Router Parameters.
show Show configured data.
sshcon Configure SSH connection parameters.
telnet Telnet to a remote host.
telnetcon Configure telnet connection parameters.
--More-- or (q)uit
terminal Set terminal line parameters.
traceroute Trace route to destination.
vlan Type 'vlan database' to enter into VLAN mode.

Thanks.