Offering 16 independent serial ports, SeaLINK+16 devices connect multiple peripherals to any USB port. The serial ports on each device appear as standard COM ports to the host system to enable compatibility with legacy software. Both the SeaLINK+16/232 and the SeaLINK+16/485 are housed in rugged 1U rack-mount metal enclosures. The SeaLINK+16/485 offers RS-232/RS-485 selectivity through cabling. Two USB 1.1 downstream connections allow daisy chaining SeaLINK devices or interfacing standard USB peripherals. Base price: $729. Sealevel Systems, www.sealevel.com.