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Minuteman UPS connector |
pinout |
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9 pin D-SUB connector 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.
Source: Tommy"s pinout Collection by Tommy Johnson
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