Powerware FCC 15 manual Four-Wire Communication, C A U T I O N

INSTALLING THE MODBUS CARD

Four-Wire Communication

The factory-default setting for the Modbus Card is for two-wire communication. To change the default setting, adjust the jumpers on the Modbus Card.

C A U T I O N

To prevent electrostatic discharge (ESD), place one hand on an unpainted metal surface such as the UPS rear panel.

1.If you are installing the Modbus Card into an X-Slot, complete Step 3 only.

If you are installing the Powerware Expansion Chassis with your UPS, complete Steps 2 through 4.

2.Remove the card from the slot on the Powerware Expansion Chassis rear panel. Retain the screws (see Figure 3).

Figure 3. Removing the Modbus Card

4 EATON Powerware® Modbus® Card User’s Guide S 164201376 Rev C www.powerware.com