Turning the UPS Off
To turn off the UPS, press and hold the Off button until the long beep ceases (approximately five seconds). The indicator begins to flash and the UPS remains in Standby mode until you unplug the UPS from the power outlet.
Initiating the Self–Test
NOTE. The batteries must be fully charged to perform the
Press and hold the On button for three seconds to initiate the
Communication Port
The Powerware 5125 is
To establish communication between the UPS and a computer, connect your computer to the UPS communication port using the supplied communication cable.
When the communication cable is installed, power management software can exchange data with the UPS. The software polls the UPS for detailed information on the status of the power environment. If a power emergency occurs, the software initiates the saving of all data and an orderly shutdown of the equipment.
The cable pins are identified in Figure 8 and the pin functions are described in Table 1.
Figure 8. Communication Port
Pin | Signal Name | Function | Direction from | |
Number | the UPS | |||
|
| |||
1 | Low Batt | Low Battery relay contact | Out | |
|
|
|
| |
2 | RxD | Transmit to external device | Out | |
|
|
|
| |
3 | TxD | Receive from external device | In | |
|
|
|
| |
4 | DTR | PnP (Plug and Play) from external device | In | |
(tied to Pin 6) |
| |||
|
|
| ||
|
|
|
| |
5 | GND | Signal common (tied to chassis) | — | |
|
|
|
| |
6 | DSR | To external device (tied to Pin 4) | Out | |
|
|
|
| |
7 | RTS | PnP from external device | In / Out | |
|
|
|
| |
8 | AC Fail | AC Fail relay contact | Out | |
|
|
|
| |
9 | Power Source | +V (8 to 24 volts DC power) | Out | |
|
|
|
|
Table 1. Communication Port Pin Assignment
1019297 | 1000 - 2200 VA | 13 |
Revision A | User’s Manual |
|