Use the SEL-9321 Low-Voltage DC power supply as an inexpensive, robust means to convert high-voltage dc battery sources for use with communications or instrumentation devices.
Transceiver Power Supply—Provide power to fiber-optic transceivers, like the SEL-2814 Fiber-Optic Transceivers With Hardware Flow Control, SEL-2812 Fiber-Optic Transceivers With IRIG-B, and SEL-3405 High-Accuracy IRIG-B Fiber-Optic Transceiver, as well as to the SEL-2886 EIA-232 to EIA-485 Interface Converter, when connected to devices that cannot provide power through their serial ports.
Communications Device Power Supply—Provide +5 Vdc and ±10 Vdc power to other communications or instrumentation devices. SEL provides cables that are 1.82 meters (6 feet) long with 2.5 mm or 0.7 mm power plugs.
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