Lucent Technologies Uninterruptible Power Systems 3000 VA - Manual (Page 62)

Communication 5
Lucent Technologies Model 3000 UPS Operator's Manual (167Ć405Ć119 Issue 3) 52
Communications Mode Reference Chart
The following chart defines the UPS serial port contacts. Serial communication is
not available with 3Com and AS/400 network configurations. Use only the
applicable pins for the selected communication mode; otherwise, interference
problems may occur.
Communication
Mode
Function Signal Name Pin No. True Condition
Serial Data to UPS RS232 TxD 2 N/A
Data from UPS RS232 RxD 3 N/A
Signal Ground 7
Novell Battery On ON.AC 14/16 Open
Low Battery TWO.MIN 23/24 Closed
Signal Ground 7/15/25
Novell
(Lucent Technologies
Battery On ON.AC 14/16 Closed
(Lucent Technologies
Default) Low Battery TWO.MIN 23/24 Closed
Signal Ground 7/15/25
3Com Shutdown (Remote) SHUT.DOWN 2 Positive Voltage
Low Battery LOW.BATT 9 Positive Voltage
Battery On PWR.FAIL 10 Positive Voltage
Signal Ground 7
AS/400 UPS Available UPS Available 11/13 Closed
Battery On Utility Failure 14/16 Closed
Bypass UPS Offline 17/19 Closed
Low Battery Low Battery 23/24 Closed
Signal Ground 12/15/18/25
NOTE Pin numbers separated by a forward slash ( / ) are connected together internally.
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