Sola HD 500, Instruction Manual

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SDU Series Instruction Manual • 11
English version
8.0 PIN-Out Configuration for DB9 Connector
Female Connector PIN No. RS-232 Signal Open Collector Signal
1 --- ---
2 TX ---
3 RD Remote shutdown *
4 DTR (+12 V) ---
5 GND GND
6 --- Ac failure
7 RTS (-12 V) ---
8 --- Battery low
9 TX ---
DTR = Data terminal ready
RTS = Request to send
RD = Transmitted data
GND = Signal Ground
TX = Received data
* When a remote shutdown signal is applied for one second, the UPS will shut down in three minutes.
9.0 Battery Backup Times
SDU 500, SDU 500-5 SDU 850, SDU 850-5
VA/Watts 500/300 850/510
Battery YUASA NP7-12 YUASA REW45-12
Load Level Backup Time (Minutes) Backup Time (Minutes)
10% 130 80
20% 55 37
30% 36 20
40% 23 13
50% 18 10
60% 13 7
70% 10 5
80% 9 4
90% 6 3
100% 5 2.5