APC SU1400XLT User Manual download pdf (Page 42)

Item 5 is used to program the EEPROM. Please see the Configuration Directives Used to Set the UPS

EEPROM chapter of this manual for the details.

Item 6 will initiate a direct communication between your terminal and the UPS, at which point you can

enter raw UPS commands. Please be aware that you should be careful what commands you enter

because you can cause your UPS to suddenly shutdown, or you can modify the EEPROM in a way to

disable your UPS. The details of the raw Smart mode UPS commands can be found in the APC Smart

Protocol chapter of this manual.

Item 7 will terminate apctest.

Monitoring and Tuning your UPS

After you have verified that your UPS is working correctly, you will probably want to query the state of its

health occasionally. The tools apcupsd gives you to do this include one command-line utility (apcaccess)

and a GUI you can use through a Web browser. You can also use apctest to tune some parameters of the

UPS itself.

apcaccess

apcaccess is a program (normally found in /sbin/apcaccess) that permits you to print out the

complete status of your UPS.

apcaccess will use the Network Information Server to obtain the necessary information. You can specify a

second optional argument to apcaccess in the form of host:port where the :port is optional. The

default is localhost:3551. Please note that in versions prior to 3.10.6, the default NIS port was 7000,

so if you are mixing versions, you will need to take a lot of care to ensure that all components are using

the same port.

To enable the apcupsd Network Information Server, which is normally the default, you set:

NETSERVER on

NISPORT 3551

in your apcupsd.conf file.

The full form of the apcaccess command is:

apcaccess status localhost:3551

where only apcaccess status should normally be needed. localhost may be replaced by any machine

name, fully qualified domain name, or IP address, which means that apcaccess can access any UPS on

the network running the Network Information Server.

The status command line option of apcaccess will produce a full printout of all the STATUS variables

used by apcupsd. This can be very helpful for checking the condition of your UPS and to know whether or

not apcupsd is properly connected to it.

Please note that if you invoke apcaccess within the first 30 seconds of launching apcupsd, you will likely

get an error message such as:

APCACCESS FATAL ERROR in apcaccess.c at line 336

tcp_open: cannot connect to server localhost on port 3551.

This is because apcupsd is still in the process of initializing the UPS. The solution is to wait at least 30

seconds after starting apcupsd before launching apcaccess.

For a SmartUPS 1000 apcaccess will emit the following output:

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 114 115

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APC SU1400XLT User Manual Page 42