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R&S
®
NRPxxS(N)
17User Manual 1177.5079.02 ─ 15
Choose the PoE power sourcing equipment (PSE) with care
Only use PoE power sourcing equipment (PSE) as specified in the IEEE standards
802.3af or IEEE 802.3at. Otherwise, the following can happen:
●
If too much power is supplied, the LAN power sensor can get overheated and
become damaged as a result.
●
If the supplied power is not sufficient, the LAN power sensor does not work prop-
erly or not at all.
3.6 Connecting a cable to the host interface
For connecting the power sensor to a USB host, use the host interface. See Chap-
ter 4.3, "Host interface", on page 29.
Depending on the USB host, use one of the following cables:
●
Computer or R&S NRP‑Z5 sensor hub:
R&S NRP‑ZKU cable with a USB connector
See Chapter 3.7.1, "Computer", on page 18.
●
Base units or other supported Rohde & Schwarz instruments:
R&S NRP‑ZK6 cable with a push-pull type connector
See Chapter 3.7.2, "Base unit", on page 20.
These cables can be obtained in different lengths up to 5 meters. The order numbers
are provided in the data sheet.
To connect a cable to the host interface of the power sensor
1. Insert the screw-lock cable connector into the host interface connector of the power
sensor.
2. Tighten the union nut manually.
To disconnect the host interface of the power sensor
1. Loosen the union nut of the screw-lock cable connector.
2. Remove the cable.
3.7 Connecting to a controlling host
As a controlling host, you can use:
●
Computer
●
Base unit
For operating the power sensor, you can choose from various possibilities. For details,
see Chapter 5, "Operating concepts", on page 31.
Connecting to a controlling host
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