Network UPS Tools - Belkin UPS Protocol

[N] indicates the item is supported by N 1~3K series

[L] indicates the item is supported by L series

History

1.0	09/23/1997
1.1	11/14/1997
1.2	12/30/1997	Add `VSN` (Voltage Sensitivity)
1.3	10/09/1998	Control Outlet Add Regular Format ID Add `TEL`, `BRD` commands
1.31	01/26/1999	`SDR` from `99999` to `65535`
1.32	03/04/1999	Add `STA` (Inverter Bad)
1.33	04/28/1999	Add `ENV`, Battery Level, Rating Battery Voltage Mark some items that UPS must support
1.34	05/03/1999	Change `BUZ` Status (`0` → Buzzer off, `1` → Buzzer on)
1.35	07/21/1999	Economic Mode enable/disable Periodic Auto-test Buzzer Test `ATX` Reboot enable/disable Auto Reboot enable/disable
1.36	07/28/1999	Add `RSM` (Resume PC), `AVL` rearrange
1.37	08/17/1999	Change Length of `MNU`, `MOD` and `VER` to `16` Change Range of `RNF` from `1` to `65535`
1.38	05/09/2000	Add the Emergency Power Off item in the `STA`
1.39	04/03/2001	Add `TXF` (Raymond), `UBD` Commands Define the `ARB` command
1.40	07/18/2001	Add `SOV` command
1.41	01/25/2002	Delete the `RST` command because it is conflict to the `ARB` command. Redefine `BUZ` command to alarm/silence Add `EDB` command to enable/disable buzzer alarm Define a standard string of Windows Plug & Play
1.42	01/30/2002	Redefine ‘Battery Temperature’ to ‘Temperature’
1.44	05/24/2002	Add `BTV` command for battery test

Communication Parameters

Baud Rate	2400
Parity	None
Data Bits	8
Stop Bits	1

Message Format

Regular Format

Header

1 byte

The header will be a ~ character.

2 bytes

Default value is 00.

Type

1 byte

`R`	Command rejected (UPS à Computer)
`A`	Command accepted (UPS à Computer)
`P`	Polling command (Computer à UPS)
`S`	Set command (Computer à UPS)
`D`	Data returned (UPS à Computer)

Length

3 bytes

The length is the number of bytes of data passed.

Data

128 bytes max

All data will be separated by ;. If a variable value is not currently available, a ; with no data should be placed in the variable location.

Regular Format Messages: Polling Commands

Command	Description
`* AVL`	[N][L] Available Commands
`* MNU`	[N][L] UPS Manufacturer
`* MOD`	[N][L] UPS Model Name
`* RAT`	[N][L] Rating (Nominal) Values
`SDT`	Shutdown Type
`* STB`	[N][L] Battery Status
`* STI`	[N][L] Input Status
`* STO`	[N][L] Output Status
`* STP`	[N] Bypass Status
`* STA`	[N][L] Alarm Status
`* TSR`	[N][L] Self Test Results
`UBR`	UPS Baud Rate
`* UID`	UPS Identification
`* VER`	[N][L] UPS Firmware Version
`TXV`	[N][L] Transfer Voltage
`VSN`	[L] Voltage Sensitivity
`* LET`	[N][L] Number of Outlet Relay
`* SOL`	[N][L] Outlet Relay Status
`TEL`	Modem Phone Number
`* BRD`	[N][L] Battery Replacement Date
`ENV`	Environment Information
`ATT`	Auto Test
`ATX`	[N][L] ATX Reboot enable/disable
`ARB`	[N][L] AC Fail & Restore Auto-Reboot enable/disable
`TXF`	Transfer Frequency
`UBD`	UPS Boot Delay
`SOV`	Select Output Voltage
`BTV`	Battery Test Time & Voltage

`AVL`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
`b19 b18 b17 b16 b15 b14 b13 b12 b11 b10 b9 b8 b7b6 b5 b4 b3 b2 b1 b0`	Integer	`20`	`1` → Available `0` → Not supported

Description

b0	`UBD`
b1	`TXF`
b2	`ECO`
b3	`ATT`
b4	`BTT`
b5	`ATX`
b6	`ARB`
b7	`BUZ`
b8	`RST`
b9	`SDA`
b10	`SDR`
b11	`SDT`
b12	`TST`
b13	`UBR`
b14	`UID`
b15	`TXV`
b16	`VSN`
b17	`RON`
b18	`ROF`
b19	`RNF`

`MNU`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Manufacturer	String	`0` to `16`

Description

The string identifies the manufacturer.

`MOD`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Model	String	`0` to `16`

Description

The string identifies the UPS model name.

`RAT`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
* Rating Input Voltage	Integer	`0` to `999`	[N][L] Volt
* Rating Input Frequency	Integer	`0` to `999`	[N][L] 0.1Hz
Rating Output Voltage	Integer	`0` to `999`	[N][L] Volt
Rating Output Frequency	Integer	`0` to `999`	[N][L] 0.1Hz
* Rating VA	Integer	`0` to `999999`	[N][L] VA
Rating Output Power	Integer	`0` to `999999`	[N][L] Watt
Low Battery Time	Integer	`0` to `99`	Minute, time from low battery to low battery shutdown
Low Tx Voltage Point	Integer	`0` to `999`	[N][L] Volt
High Tx Voltage Point	Integer	`0` to `999`	[N][L] Volt
Low Tx Voltage Upper Bound	Integer	`0` to `999`	[N][L] Volt
Low Tx Voltage Lower Bound	Integer	`0` to `999`	[N][L] Volt
High Tx Voltage Upper Bound	Integer	`0` to `999`	[N][L] Volt
High Tx Voltage Lower Bound	Integer	`0` to `999`	[N][L] Volt
* UPS Type	Integer	`0` to `4`	[N][L] `0` → On-Line `1` → Off-Line `2` → Line-Interactive `3` → 3 Phase `4` → Others
* Rating Battery Voltage	Integer	`0` to `999`	[N][L] Volt
Low Tx Freq Point	Integer	`0` to `999`	0.1Hz
High Tx Freq Point	Integer	`0` to `999`	0.1Hz
Low Tx Freq Upper Bound	Integer	`0` to `999`	0.1Hz
Low Tx Freq Lower Bound	Integer	`0` to `999`	0.1Hz
High Tx Freq Upper Bound	Integer	`0` to `999`	0.1Hz
High Tx Freq Lower Bound	Integer	`0` to `999`	0.1Hz

Description

The Tx voltage

`SDT`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Shutdown Type	Integer	`1` to `2`	`1` → UPS output `2` → UPS system

Description

default value is 2.

`STB`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
* Battery Condition	Integer	`0` to `2`	[N][L] `0` → Good `1` → Weak `2` → Replace
* Battery Status	Integer	`0` to `2`	[N][L] `0` → OK `1` → Low `2` → Depleted
* Battery Charge	Integer	`0` to `3`	[N][L] `0` → Floating `1` → Charging `2` → Resting `3` → Discharging
Seconds on Battery	Integer	`0` to `99999`	[N] Seconds
Estimated Minutes Remaining	Integer	`0` to `9999`	Estimated time from backup to low battery shutdown.
Estimated Charge Remaining	Integer	`0` to `999`	[N] Estimated of percent battery charge remaining.
Battery Voltage	Integer	`0` to `9999`	[N][L] 0.1Volt
Battery Current	Integer	`0` to `9999`	[N] 0.1Amp
Temperature	Integer	`0` to `999`	[N][L] Degree Celsius
* Battery Level	Integer	`0` to `999`	[N][L] %

Description

Battery Condition: If input power normal and battery normal then UPS replies Good (0). If input power normal and battery low then Weak (1) is replied.
Battery Status: The indication of the capacity remaining in the batteries.
Estimated Minutes Remaining: Estimated time from backup to low battery shutdown base on the current load.
Estimated Charge Remaining: An estimate of the battery charge remaining expressed as a percent of full charge.
Temperature: The temperature value that is measured in the UPS.

`STI`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
* Input Num Lines (Phases)	Integer	`0` to `9`	[N][L] Number of input lines
Input Frequency1	Integer	`0` to `999`	[N][L] 0.1Hz
Input Voltage1	Integer	`0` to `9999`	[N][L] 0.1Volt
Input Current1	Integer	`0` to `9999`	0.1Amp
Input Power1	Integer	`0` to `99999`	Watt
Input Frequency2	Integer	`0` to `999`	0.1Hz
Input Voltage2	Integer	`0` to `9999`	0.1Volt
Input Current2	Integer	`0` to `9999`	0.1Amp
Input Power2	Integer	`0` to `99999`	Watt
Input Frequency3	Integer	`0` to `999`	0.1Hz
Input Voltage3	Integer	`0` to `9999`	0.1Volt
Input Current3	Integer	`0` to `9999`	0.1Amp
Input Power3	Integer	`0` to `99999`	Watt

`STO`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
* Output Source	Integer	`0` to `5`	[N][L] `0` → Normal `1` → Battery `2` → Bypass (Reserve) `3` → Reducing `4` → Boosting `5` → Manual Bypass `6` → Other `7` → None
Output Frequency	Integer	`0` to `999`	[N][L] 0.1Hz
* Output Num Lines (Phase)	Integer	`0` to `9`	[N][L] Number of output lines
Output Voltage1	Integer	`0` to `9999`	[N][L] 0.1Volt
Output Current1	Integer	`0` to `9999`	0.1Amp
Output Power1	Integer	`0` to `999999`	[N] Watt
* Output Load1	Integer	`0` to `999`	[N][L] Percent
Output Voltage2	Integer	`0` to `9999`	0.1Volt
Output Current2	Integer	`0` to `9999`	0.1Amp
Output Power2	Integer	`0` to `999999`	Watt
Output Load2	Integer	`0` to `999`	Percent
Output Voltage3	Integer	`0` to `9999`	0.1Volt
Output Current3	Integer	`0` to `9999`	0.1Amp
Output Power3	Integer	`0` to `999999`	Watt
Output Load3	Integer	`0` to `999`	Percent

Description

Output Source: On-Line UPS status will be 0, 1, 2

Off-Line UPS status will be 1, 2, 3, 4

3 Phase UPS status will be 0, 1, 2, 5

The present source of output power.

`STP`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Bypass Frequency	Integer	`0` to `999`	[N] 0.1Hz
* Bypass Num Lines(Phase)	Integer	`0` to `9`	[N] Number of bypass lines
Bypass Voltage1	Integer	`0` to `9999`	[N] 0.1Volt
Bypass Current1	Integer	`0` to `9999`	0.1Amp
Bypass Power1	Integer	`0` to `999999`	[N] Watt
Bypass Voltage2	Integer	`0` to `9999`	0.1Volt
Bypass Current2	Integer	`0` to `9999`	0.1Amp
Bypass Power2	Integer	`0` to `999999`	Watt
Bypass Voltage3	Integer	`0` to `9999`	0.1Volt
Bypass Current3	Integer	`0` to `9999`	0.1Amp
Bypass Power3	Integer	`0` to `999999`	Watt

`STA`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Alarm Temperature	Integer	`0` or `1`	[N][L] `0` → OK `1` → Over Temperature
Alarm Input Bad	Integer	`0` or `1`	[N][L] `0` → OK `1` → Input Bad
Alarm Output Bad	Integer	`0` or `1`	[N][L] `0` → OK `1` → Output Bad
Alarm Overload	Integer	`0` or `1`	[N][L] `0` → OK `1` → Overload
Alarm Bypass Bad	Integer	`0` or `1`	[L] `0` → OK `1` → Bypass Bad
Alarm Output Off	Integer	`0` or `1`	[N][L] `0` → Output On `1` → Output Off
Alarm UPS Shutdown	Integer	`0` or `1`	[L] `0` → OK `1` → Shutdown
Alarm Charger Failure	Integer	`0` or `1`	[L] `0` → OK `1` → Charger Failed
Alarm System Off	Integer	`0` or `1`	[L] `0` → System On `1` → System Off
Alarm Fan Failure	Integer	`0` or `1`	`0` → OK `1` → Fan Fault
Alarm Fuse Failure	Integer	`0` or `1`	`0` → OK `1` → Fuse Fault
Alarm General Fault	Integer	`0` or `1`	[N][L] `0` → OK `1` → General Fault
Alarm Awaiting Power	Integer	`0` or `1`	`0` → OK `1` → Awaiting Power
Alarm Shutdown Pending	Integer	`0` or `1`	`0` → OK `1` → Shutdown Pending
Alarm Shutdown Imminent	Integer	`0` or `1`	`0` → OK `1` → Shutdown Imminent
Buzzer Status	Integer	`0` or `1`	[N][L] `0` → UPS Buzzer Silence `1` → UPS Buzzer Alarm
Economic Mode	Integer	`0` or `1`	`0` → No `1` → Yes
Alarm Inverter Bad	Integer	`0` or `1`	[L] `0` → No `1` → Yes
Emergency Power Off	Integer	`0` or `1`	`0` → Off `1` → On
Buzzer State	Integer	`0` or `1`	`0` → UPS Buzzer Disable `1` → UPS Buzzer Enable

Description

Alarm Input Bad: An input condition is out of tolerance. This item is used to indicate the input power fail, a test condition should not set this item on.
Alarm Output Bad: An output condition (other than OutputOverload) is out of tolerance.
Alarm Overload: The output load exceeds the UPS output capacity.
Alarm Bypass Bad: The Bypass is out of tolerance.
Alarm Output Off: The UPS has shutdown as requested, i.e., the output is off.
Alarm UPS Shutdown: The entire UPS has shutdown as commanded.
Alarm Charger Failure: An uncorrected problem has been detected within the UPS charger subsystem.
Alarm System Off: The UPS system is in the off state. For example: The UPS get the input power but does not startup the system.
Alarm Fan Failure: The failure of one or more fans in the UPS has been detected.
Alarm Fuse Failure: The failure of one or more fuses has been detected.
Alarm Awaiting Power: The UPS output is off and the UPS is awaiting the return of input power.
Alarm Shutdown Pending: A shutdown UPS command SDA countdown is underway.
Alarm Shutdown Imminent: The UPS will turn off power to the load in less than 5 seconds; this may be either a timed shutdown or a low battery shutdown.
Alarm Buzzer Status: To indicate the UPS buzzer is silent or alarm.
Economic Mode: The UPS is in the economic mode (act like a off-line UPS).
Emergency Power Off: The User pressed the Emergency Power Off button.
Alarm Buzzer State: To indicate the UPS buzzer is enabled or disabled.

`TSR`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
* Test Result	Integer	`0` to `5`	`0` → No test performed `1` → Test passed `2` → Test in progress `3` → General test failed `4` → Battery test failed `5` → Deep batt test failed `6` → Test Aborted

`UBR`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Baud Rate	Integer	See Comment	`1200`, `2400`, `4800`, `9600`

Default

2400

`UID`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
UPS Identification	Integer	`0` to `99`	Used for one PC connect to multi-UPS

Default

0

`VER`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
UPS Firmware Version	String	`0` to `16`

`TXV`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Low Transfer Voltage	Integer	`0` to `999`	Volt
High Transfer Voltage	Integer	`0` to `999`	Volt

`VSN`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Voltage Sensitivity	Integer	`0` to `2`	`0` → Normal `1` → Reduced `2` → Low

`LET`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Number of Output Relay	Integer	`0` to `99`	`0` → Not available `>0` → Available

`SOL`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Index of Output Relay	Integer	`1` to `99`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Normal or Shutdown	Integer	`0` or `1`	`0` → Normal `1` → Shutdown

`TEL`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Modem Phone Number	String	`0` to `16`	Telephone Number

`BRD`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Last Battery Replacement Date	String	`8`	`YYYYMMDD`
Next Battery Replacement Date	String	`8`	`YYYYMMDD`

`ENV`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Temperature	Integer	`0` to `999`	Degree Celsius
Humidity	Integer	`0` to `999`	Sensor Box Humidity
Relay1	Integer	`0` or `1`	`0` → Off `1` → On
Relay2	Integer	`0` or `1`	`0` → Off `1` → On
Relay3	Integer	`0` or `1`	`0` → Off `1` → On
Relay4	Integer	`0` or `1`	`0` → Off `1` → On

`ATT`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
UPS Periodic Auto-Test	Integer	`1` to `5`	`1` → Disable `2` → Daily `3` → Weekly `4` → BiWeekly `5` → Monthly

`ATX`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
ATX PC Reboot Function	Integer	`1` to `2`	`1` → Enable `2` → Disable

Description

Enable/Disable ATX PC reboot function (RS-232 Ring Indicator).

`ARB`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
AC Fail & Restore Auto-Reboot	Integer	`1` to `2`	`1` → Enable (default) `2` → Disable

Description

If you enable this function, UPS will reboot to restart the computer otherwise, it will back to normal state.

`TXF`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Low Transfer Frequency	Integer	`0` to `999`	0.1Hz
High Transfer Frequency	Integer	`0` to `999`	0.1Hz

`UBD`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
UPS Boot Delay	Integer	`0` to `999`	Seconds

`SOV`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Current Output Voltage	Integer	`0` to `999`	Voltage
Select Output Voltage1	Integer	`0` to `999`	Voltage
Select Output Voltage2	Integer	`0` to `999`	Voltage
Select Output Voltage3	Integer	`0` to `999`	Voltage
?	Integer	`0` to `999`	Voltage

Description

UPS provide the output voltage list for users to pick up a suitable one for the current environment.

`BTV`

Data

(UPS→Computer)

Name	Type	Range/Length	Comment
Test Time	Integer	`1` to `60`	Minutes
Test Voltage	Integer	`0` to `999`	Voltage

Description

This command is the same as 3Phase UPS. If battery voltage is lower than the "Test Voltage" which is set by users then UPS reports test fail. This kind of battery test is triggered by TST (2) command.

Regular Format: Set Commands

Command	Description
`BUZ`	[N][L] Switch UPS Buzzer
`SDA`	[N][L] Shutdown Action
`SDR`	[N][L] Shutdown and Restart
`SDT`	Shutdown Type
`TST`	[N][L] Test Type
`UBR`	UPS Baud Rate
`UID`	UPS Identification
`TXV`	[N][L] Transfer Voltage
`VSN`	[L] Voltage Sensitivity
`RON`	[N] Outlet Relay On
`ROF`	[N] Outlet Relay Off
`RNF`	[N] Outlet Relay On and Off
`TEL`	Modem Telephone Number
`BRD`	[N] Battery Replacement Date
`ECO`	Economic Mode enable/disable
`ATT`	Auto Test
`BTT`	[N] Buzzer Test
`ATX`	[N][L] ATX Reboot enable/disable
`ARB`	[N][L] AC Fail & Restore Auto-Reboot enable/disable
`RSM`	[N][L] ATX Resume enable/disable
`UBD`	UPS Boot Delay
`TXF`	Transfer Frequency
`SOV`	Select Output Voltage
`EDB`	Enable/Disable Buzzer
`BTV`	Battery Test Time & Voltage

`BUZ`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
UPS Buzzer	Integer	`1` or `2`	`1` → Buzzer Alarm `2` → Buzzer Silence

Description

If 1, UPS system alarms normally. If 2, UPS will keep silence but will alarm again when next power event is occurred.

`SDA`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Shutdown Action	Integer	`0` or `1` to `9999`	`0` → Abort `>0` → Seconds

Description

Performs shutdown action defined by SDT after the seconds.

`SDR`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Shutdown Restart	Integer	`0` to `65535`	Minute

Description

Perform shutdown action and delay defined by SDT and SDA then reboot after indicated number of minutes. 65535 minutes == 45 days

`SDT`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Shutdown Type	Integer	`1` or `2`	`1` → UPS output (all outlet relay) `2` → UPS system

Description

Defines action to be taken at UPS shutdown.

`TST`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Test	Integer	`0` to `4`	`0` → Abort test `1` → General test `2` → `BTV` test `3` → Test for 10 seconds `4` → Test until battery low

Description

Application support only 0, 3, 4.

`UBR`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Baud Rate	Integer	See Comment	`1200`, `2400`, `4800`, `9600`

Description

Sets UPS baud rate.

`UID`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
UPS Identification	Integer	`0` to `99`

Description

Sets UPS ID for one PC monitor more than one UPS.

`TXV`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Low Transfer Voltage	Integer	`0` to `999`	Volt
High Transfer Voltage	Integer	`0` to `999`	Volt

Description

Sets high and low transfer voltages.

`VSN`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Voltage Sensitivity	Integer	`0` to `2`	`0` → Normal `1` → Reduced `2` → Low

Description

Sets UPS voltage sensitivity.

`RON`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Outlet Relay Number	Integer	`>0`
Delay Time	Integer	`0` to `9999`	`0` → Cancel `>0` → Seconds

Description

Perform relay on after the seconds.

`ROF`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Outlet Relay Number	Integer	`>0`
Delay Time	Integer	`0` to `9999`	`0` → Cancel `>0` → Seconds

Description

Perform relay off after the seconds.

`RNF`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Outlet Relay Number	Integer	`>0`
Turn Off Delay Time	Integer	`1` to `9999`	Seconds
Turn On Delay Time	Integer	`1` to `65535`	Minute

Description

Perform relay on after the seconds.

`TEL`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Modem Telephone Number	String	`0` to `16`	Phone Number

`BRD`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Last Battery Replacement Date	String	`8`	`YYYYMMDD`
Next Battery Replacement Date	String	`8`	`YYYYMMDD`

`ECO`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Switch Economic Mode enable/disable	Integer	`1` to `2`	`1` → Enable `2` → Disable

`ATT`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Set Periodic Auto-Test	Integer	`1` to `5`	`1` → Disable `2` → Daily `3` → Weekly `4` → BiWeekly `5` → Monthly

`BTT`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Buzzer Test	Integer	`1` to `99`	Seconds

`ATX`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
ATX PC Reboot Function	Integer	`1` to `2`	`1` → Enable `2` → Disable(default)

Description

Enable/Disable ATX PC reboot function (RS-232 Ring Indicator). The UPS set the RI (pin 9) to high for a while when it startup (For example: schedule or power restore).

`ARB`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
AC Fail & Restore Auto-Reboot	Integer	`1` to `2`	`1` → Enable (default) `2` → Disable

Description

Use the ARB command to choose whether the UPS turns on its power outlets automatically when power returns after an extended power failure.

UPS receives the SDA command in Backup mode (AC Power Fail):
- Enable ARB: Shutdown the UPS when the countdown time reaches 0. UPS turns on its power outlets automatically when power restores.
- Disable ARB: Shutdown the UPS when the countdown time reaches 0. UPS won’t startup users need to startup the UPS manually.
UPS receive the SDA command in AC mode (AC Normal):
- Shutdown the UPS when the countdown time reaches 0. UPS won’t startup users need to startup the UPS manually.

`RSM`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
ATX PC Resume Function	Integer	`1` to `2`	`1` → Enable `2` → Disable (default)

Description

Enable/Disable ATX PC resume (RS-232 Ring Indicator) when the UPS status changes. The aim of this function is to wakeup the PC and let the UPS notify the application that the status changes. The UPS should disable this function when UPS shutdown each time and waiting for the direction from the application.

`UBD`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
UPS Boot Delay	Integer	`0` to `999`	Seconds

Description

Delay the UPS startup after power restores. The power quality may not stable when power restores, this feature let the UPS wait a period of time to startup the system.

`TXF`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Low Transfer Frequency	Integer	`0` to `999`	0.1 Hz
High Transfer Frequency	Integer	`0` to `999`	0.1 Hz

Description

Sets high and low transfer frequency.

`SOV`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Select Output Voltage	Integer	`0` to `999`	Voltage

Description

Select the output voltage.

`EDB`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Enable/Disable Buzzer	Integer	`1` to `2`	`1` → Enable (Default) `2` → Disable

Description

Enable/Disable UPS buzzer. If it is enabled, the UPS should check the BUZ to decide to alarm or silence. If it is disabled then the UPS will always mute.

`BTV`

Data

(Computer→UPS)

Name	Type	Range/Length	Comment
Test Time	Integer	`1` to `60`	Minutes
Test Voltage	Integer	`0` to `999`	Voltage

Description