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ADDITIONAL UPS FEATURES
EATON Powerware
®
5130 Rack/Tower UPS (1250–3000 VA) User’s Guide S 164201730 Rev 2
www.powerware.com
41
Contact Communication Port (optional)
When a signal is activated, the contact is closed between the common
(Pin 4) and the pin for the corresponding signal.
Contact characteristics (optocoupler):
S Voltage: 48 V DC max
S Current: 25 mA max
S Power: 1.2W
Figure 21 identifies the cable pins and Table 4 describes the pin
functions.
Common
NO NO NO
NOTE Normally-open (NO)
Figure 21. Communication Port
Table 4. Communication Port Pin Assignment
Pin Number Function
1, 3, 4, 5, 6, 10 Not used
2 Common
7 Low Battery
8 Operation on battery power
9 UPS ON, equipment supplied