National Instruments NI-9949 Screw Terminal Adapter, RJ-50 (Female)
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This international product is listed on our website, but it is not directly available in Pakistan right now.
👉 It will be available in Pakistan after 120 days from the date of order.
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What it is
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The NI-9949 is an accessory adapter that converts an RJ-50 female connector to screw-terminal connections.
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It is often used to interface devices that have RJ-50 outputs (like certain NI modules) to more conventional wire connections.
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It is commonly used with modules such as NI-9237 and the SCXI-1314T which use RJ-50 outputs.
Key Specifications & Features
| Feature | Value / Description |
|---|---|
| Front-end connector | RJ-50 female https://www.ni.com+2Apex Waves+2 |
| Back-end connector | Screw-terminal block for wires https://www.ni.com+2Apex Waves+2 |
| Routing | Pin 1 → Terminal 1, 2 → 2, … up to pin 10 → terminal 10; shield (S) is also routed to a terminal marked “S” https://www.ni.com+2Apex Waves+2 |
| Operating temperature | –40 °C to +70 °C https://www.ni.com |
| Dimensions | 65.6 × 21.3 × 31.5 mm (2.58 × 0.84 × 1.24 in) https://www.ni.com+2Apex Waves+2 |
| Weight | ~43 g (1.5 oz) https://www.ni.com+1 |
| Mounting | Has holes for M4 × 20 mm screws (or equivalent) and slots for strain relief tie wraps https://www.ni.com |
| Notes / cautions | Do not substitute RJ-45 cable in place of RJ-50 — it may damage pins 1 and 10 and impair shunt calibration. https://www.ni.com |
| Wire terminations | If connecting more than one wire to a terminal, you must use 2-wire ferrules for secure connection. https://www.ni.com |
Usage & Applications
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You plug an RJ-50 male cable from a device (e.g. NI-9237, SCXI) into the adapter’s RJ-50 female receptacle.
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Then, the signals that were on the RJ-50 pins are exposed on screw terminals, making it easier to wire to sensors, instruments, or other circuits.
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Useful in test setups, labs, or any scenario where you want to avoid soldering or crimp connectors for prototyping or easy reconfiguration.