
The modular jack on the original APC BE500R emergency power cable was not securely attached. There were intermittent warnings that the computer could not communicate with the backup battery, and the connector had to be unplugged and replugged once or twice to reestablish a proper connection. This modular connector on this cable fits the BPS better than the original and is secure. The large barrel comb next to the modular end is missing from the cable I received. I was concerned because the original cable doesn't have such a lead either.

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