Quick tech specs
  • Haul Modem
  • RS-232
  • Fax / modem
  • 19.2 Kbps
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Know your gear

Extender async RS232 devices beyond the 50 ft limitation using CATx cables at data rates up to 19.2 kbps and reach distances of 5 mi. (8 km). For an interface-powered modem the SHM-NPR really packs a punch. Forget about the 50-foot (15.2-m) RS-232 limit. This simple plug-in SHM pushes data up to 1.2 miles (2 km) at 19.2 kbps or more than 5 miles (8 km) at 2400 bps. This 4-screw SHM has a DB25 female connector that plugs into your terminal. To connect your asynchronous devices to a host use a pair of our SHM-NPRs- or a single SHM-NPR and a Short-Haul Modem-B Async (ME800A-R3). The SHM-NPR is powered from the RS-232 interface. If your device doesn't provide interface power use the ME800A-R3 on one side of the line.
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Black Box Short-Haul Modem - fax / modem

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