Vintage 3Com SDSL Modem, part number 80-003525-00.

New old stock / unused unit in the original box with original packaging, installation and operating guide, cables, mounting hardware and accessories shown in the photos.

Late-1990s 3Com SDSL networking equipment. Original guide is copyright 1999.

Box shows normal storage and shipping wear from age. Contents appear unused. Sold exactly as pictured.

Excellent collector, vintage networking, telecom, museum or restoration piece.