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6. COMMUNICATION 

INTERFACE: 

 

The UPS provides both computer interfaces, smart software (RS-232) and dry 

contact (DB-9); by using different software and cable, the UPS shows different 

monitoring function. 

6.1 

The definition and setup for RS-232 is as following: 

 

Baud Rate  : 2400 dps 

 

Data Length  : 8 bits 

 

Stop Bit 

: 1 bit 

 Parity  : 

None 

 

 

 

Pin #6 

: RS-232 data Tx out. 

 

Pin #7 

: Common of Pin #6 and Pin #9 

 

Pin #9 

: RS-232 data Rx In 

 

6.2 

The definition and setup for DB9 (optional) is as following: 

 

Pin #2 

: AC Power Failure 

 

Pin #4 

: Common GND of Pin #2 & Pin #5 

 

Pin #5 

: UPS Battery Low 

 

Pin #6 

: Turn off UPS 

 

Pin #7 

: GND of Pin6 

 

The interface with computer is diagramed as above for your reference.    Use Pin #4 as the 

common of Pin #2 and Pin #5, Pin #2 and Pin #4 will become close loop from open when 

the utility fails, Pin #5 and Pin #4 will become close loop from open when the battery level 

is low. 

The UPS will shut down itself when the high level signal from RS-232, sustained for 

3 seconds, is applied between Pin #6 and Pin #7. 

 

  5   4   3   2   1  

    9 8 7 6 

Summary of Contents for SS-1000L

Page 1: ...UPS AVR Uninterruptible Power System User s Manual Line Interactive Sine Wave Long backup models SS 750L 1000L 1500L 2000L 100 80 60 40 20 NORMAL BACK UP LOW BATT OVER LOAD BATTERY LOAD...

Page 2: ...4 2 Operation 4 3 Connecting the FAX machine 5 INDICATION AND CONTROL Page 7 8 5 1 Battery level and load level LEDs 5 2 Operation status LED 5 3 Audible alarm 5 4 Auto self test function 5 5 DIP swit...

Page 3: ...FRONT PANEL FOR ALL MODELS LEDs of battery voltage level and load level LED of operation status Control button 2 1 3 100 80 60 40 20 3 1 2 NORMAL BACK UP LOW BATT OVER LOAD BATTERY LOAD...

Page 4: ...1000L 1500L 2000L only Rear Panel Fuse Inlet of city power Outlets NEMA IEC RS 232 Interface DIP switch Phone jacks for fax machine optional by DIP switch Battery connector 1 6 5 4 2 1 2 3 4 5 6 3 3...

Page 5: ...are provided to maintain the batteries in the best condition 1 2 Battery replacement warning The self test function by pushing the button will inform you with an alarm when the batteries are weak and...

Page 6: ...devices such as monitors modems external H Disk drivers etc To ensure the performance of the UPS Do Not load the UPS with laser printer motor or any type of inductive load Connecting the UPS to a two...

Page 7: ...rging please pull out the power cord to shut down the UPS completely 4 2 3 During a blackout push the button for entering idle mode Ref Indication Table then push again for one second and the UPS will...

Page 8: ...e the beeping can be silenced by pushing the button However the warning of low battery will still sound for urging user to leave computer without any data loss Basic Indication Table LED ALARM PERIOD...

Page 9: ...l The UPS can be set for daily shutdown wake up This command must be set through the RS 232 interface When this function is set the timer inside the UPS will begin to run and the load will be turned o...

Page 10: ...Rx In 6 2 The definition and setup for DB9 optional is as following Pin 2 AC Power Failure Pin 4 Common GND of Pin 2 Pin 5 Pin 5 UPS Battery Low Pin 6 Turn off UPS Pin 7 GND of Pin6 The interface with...

Page 11: ...ot provide expected run time 1 Excessive loads connected at UPS outlets 2 Battery is weak and can not provide enough capacity Do not operate the UPS and leave the UPS plugged in for 10 hours Then test...

Page 12: ...ge 40 95V 27 3V 54 60V 40 95V 54 60V 81 90V Maximum Current 6A 6A 6A 6A LED ALARM INDICATION LED Alarm Normal city power GRN Lighting No beep Back up Mode ORG Flashing B B B B 2 beeps 4sec Abnormal Fr...

Page 13: ...is about 5 min German wording Wenn Sie die Batterien austauschen verwenden Sie bitte die gleiche Anzahl und den gleichen Batterietyp Werfen Sie niemals die Batterien in das Feuer die Batterien k nnte...

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