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    首頁 > > BLACKBOX-有限距離數據機(Short-Haul Modem)

    BLACKBOX-ME721A-F-R3 Short-Haul Modem-Nonpowered, Async (SHM-NPR), DB25 Female  4線非同步有限距離數據機, 無須外接電源, DB25母頭
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    商品編號: BLACKBOX-ME721A-F-R3

    BLACKBOX-ME721A-F-R3 Short-Haul Modem-Nonpowered, Async (SHM-NPR), DB25 Female 4線非同步有限距離數據機, 無須外接電源, DB25母頭


    Simple and reliable—this 4-wire, async plug-in SHM drives data more than 5 miles!

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    ★★★★商品說明★★★★

    Description

    Short-Haul Modem-Nonpowered, Async (SHM-NPR), DB25 Female


    Quick Facts

  3. Flexible. Use them in pairs or with our ME800A-R3.
  4. Pushes data more than 5 miles (8 km) at 2400 bps or up to 1.2 miles (2 km) at 19.2 kbps.
  5. RoHS compliant.

  6.  

    Further Details

    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.

    NOTE: Must be used in pairs or, if your device doesn’t provide interface power, use the SHM-B Async (ME800A-R3) on one side of the line.

    Technical Specifications for Short-Haul Modem-Nonpowered, Async (SHM-NPR), DB25 Female:

    Distance (Maximum) — 5.3 mi. (8.5 km)
    Operation — 4-wire full-duplex
    CE Approval — Yes
    Connectors — (1) 4-screw terminal, (1) DB25 F
    Power — 9 VDC from the interface; DTE Pins 5 or 6, DCE Pins 4 or 20
    Size — 0.8"H x 1.8"W x 2.2"D (2 x 4.6 x 5.6 cm)
    Weight — 0.4 lb. (0.2 kg)
     
     
    NOTE: Must be used in pairs or, if your device doesn’t provide interface power, use the SHM-B Async (ME800A-R3) on one side of the line.