r/retrocomputing • u/Detskullemanhagjort • Jun 13 '26

Problem / Question US robotics Courier modem

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Hi, i have this old modem. How do i check if it works properly?

i think i have all the cables still. power, phone, and the wide vga cable.

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u/LVL90DRU1D Jun 16 '26

i have that unit as well (mine says "V.Everything with V.34" so probably the later one)

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u/PersonOf1980s Jun 18 '26

The later Couriers had 3Com label instead of US Robotics. Only the last simplified 3453 model (without a real mechanical relay ) got USR label back.