UPS YUNTO P Series (250/500/750/1250) connector

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9 pin D-SUB FEMALE connector pin-out & layout

9 pin D-SUB FEMALE connector  at the UPS

PinNameDirDescription
1Battery ModeoutThis pin is shorted to PIN 5 (ground) if the mains power supply fails or is out of tolerance. (NORMALLY OPEN)
2---
3---
4---
5Ground-Ground terminal and common root of contacts at PIN 1, 8 and 9
6---
7UPS shut-downINIf a positive signal level (+5V to +12V DC) is applied, the UPS system switches off (PIN 5 is ground)
8Battery Capacity LowOUTThis pin is shorted to PIN 5 (ground) if the batteries have been discharged to such an extent that the remaining stored energy time is less than 2 minutes. (NORMALLY OPEN)
9Battery ModeOUTThe connection between this pin and PIN 5 (ground) is disconnected if the main power supply fails oe is out of tolerance. (NORMALLY CLOSED)
Note: Direction is relative to UPS.

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