Is the directions right??? 9 PIN D-SUB ??? at the UPS. | Pin | Description | | 1 | Unused | | 2 | Battery power | | 3 | Unused | | 4 | Common (same as 7) | | 5 | Low battery | | 6 | RS-232 level shutdown | | 7 | Common (same as 4) | | 8 | Ground level shutdown (A500 and above, reserved on <A500) | | 9 | Reserved | Pins 2 and 5 are connected to Common when they are true.
On pin 6, an rs-232 high level (>9V) will shutdown, when running off the battery.
On pin 8, shorting to ground will shutdown. |