Black Box EAZY TL159A Data Broadcast Unit RJ-11 New in Box STP Tested

RS232 Serial Port Break Out Box - BOB - Pocket-Sized RS-232 Break Out Box

Black Box EAZY TL159A Data Broadcast Unit RJ-11 New in Box STP

Manual Serial Data Transfer Switch Box Plex Technologies 3 Way RS-232 *Untested*

Black Box RS-232 Data Sharer-2 724-746-5500

Kentek DB25 4 Way Data Transfer Switch Box RS-232 Parallel Rotary PC MAC Printer

Digi DB25 16 PORT RS-232 Terminal Server Network Device 16-Port Serial Hub

Open Box DB25 4 Way Data Transfer Switch Box RS-232 Rotary Dial