The 1000 sits in a cradle being a peripheral card reader plugged into an I/O port....there`s an added tubular extension to the leading edge of the key board = ?....with the key board being configured for IMS PEA specification.

http://common.ziffdavisinternet.com/util_get_image/1/0,1311,sz=1&i=10928,00.jpg

http://www.imsconsultants.com/images/pea-sml.jpg

doni