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pinout (распиновка)

APC Smart-UPS Cable (PN 940-0024B) pinout

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9 pin D-SUB MALE connector  to the UPS
DB-9 Male
(UPS end)
DB-9 Female
(PC end)
Signal Name
N/C 1  N/A
2 2  Received Data
3 3  Transmitted Data
1 4  Data Terminal Ready
9 5  Signal Ground
N/C 6  N/A
N/C 7  N/A
N/C 8  N/A
N/C  N/A

9 pin D-SUB FEMALE connector  to the PC