Communication

UPS Communications Interface Port

In addition to configuring the UPS for specific communication options, you must also ensure proper use of the serial port when connecting the UPS to your network or monitoring equipment.

NOTE Semiconductor switch contacts are rated at a maximum current of 50 mA and a maximum of 40 Vdc.

Use only the pins specified for your communications configuration. The use of any additional pins for any of the following interfaces can cause interference with system communications.

Even though your network uses the specified signal lines, the pins assigned to these signals at the network end of the cable may vary with those of the UPS serial port. The connector body and style may vary as well.

NOTE Standard, pin-for-pin cables may not work correctly. Consult your network software or server manuals for system shutdown pin assignments.

The UPS serial port complies with EIA RS-232 standards. RS-232 specifies a maximum cable length of 50 feet (15m). See Figure 27 for the location of the serial port.

PPU Rear Panel

Serial

Port

Serial Port Detail

Figure 27. Serial Port Location

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Powerware® 9 Prestige Series User’s Guide (4500/6000 VA) S Rev H www.powerware.com