Black Box Serial (RS-232) Computer Modems

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Black Box MD845A-R2 Analog Async Bell Modem 202 - LEASED-LINE , RS-232
Pre-Owned · Black Box
$529.99
or Best Offer
$7.73 shipping
Black Box IC109A-R2 RS-232 to 485/422 Converter Plus Used with Power Supplies
Pre-Owned · Black Box
$100.00
$20.00 shipping
Black Box EYN257T-0010-MF RS232 SHIELDED NULL MODEM CABLE - METAL
Brand New · Black Box
$61.01
Free shipping
Black Box Network - EGM25C-0002-MF - Black Box RS232 DBL Shielded Cable W/
Brand New · Black Box
$87.95
$14.00 shipping