How to set up printers from the command line using lpadmin in RHEL

Issue

• How to setup printer from the command line using lpadmin whose drivers are provided in Red Hat Enterprise Linux.
• We need the command syntax to add a print queue that will point to a serial device.
• How do I add printers to my CUPS print server without using any of the GUI tools?
• We have hundreds of CUPS printers currently defined, but are a mix of socket/LPD, printer name/IP, different drivers. We're wanting to standardize our environment and need to change/set the following attributes at the command line if at all possible (I'll be scripting it).