C120-E161-03EN
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Appendix D UPC Connector
Specifications
A
The following sections provide specifications for connecting the Uninterruptible
Power Supply (UPS) control interface using the Unit Power Controller (UPC)
connector:
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6-port UPS Interface Connection Box
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Branch Connection of UPC Interface
D.1
Overview
This interface is used to generate a conventional software interrupt, and to save data
temporarily when an uninterruptible power supply (UPS) is used to protect against
commercial AC power supply failure.
D.2
Signal Cables
Use shielded and paired cables. The cables have the following specifications:
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DC resistance (roundtrip/1 pair): 400
Ω
/km or less
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Cable length: Up to 10 m (33 ft)
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