Kentek DB9 Female Manual Data Switch 4 Way Rotary Dail Type RS232 Serial Printer

Kentek DB9 Male Manual Data Switch Two Way Rotary Dail Type RS232 Serial Printer

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

Kentek 4-Way DB9 Male Manual Data Transfer Switch Box RS232 9 Pin Serial Printer

1x4 or 4x1 - 4-Port AB Manual Sharing DB9 RS232 Serial Switch 4-Way Selector Box

DB25 4 Way Data Transfer Switch Box Parallel Port Rotary PC Printer

KNTK 4-Way DB9 Male Manual Data Transfer Switch Box Rotary Printer RS232 Serial

KNTK 4-Way DB9 Data Transfer Switch Box Rotary Printer RS232 Serial RS-232 9-pin