For an interface-powered modem, the SHM-NPR really packs a punch. Forget about the 15,2 m RS-232 limit. This simple, plug-in SHM pushes data up to 2 km at 19.2 kbps or more than 8 km at 2400 bps.
The 4-screw SHM is available with either a DB25 male or 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.
Distance (Maximum) — 8.5 km Operation — 4-wire full-duplex Connectors — (1) 4-screw terminal, (1) DB25 M or F Power — 9 VDC from the interface; DTE Pins 5 or 6, DCE Pins 4 or 20 Size — 2H x 4.6W x 5.6D cm Weight — 0.2 kg
Note: must be used in pairs
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