ETL EDP70 - Manual (Page 62)

page 62 -- MI00/10056 rev. 8 —05/2006
11.0 COMPUTER INTERFACE
11.1 AS400 
The EDP70 PLUS UPS is fitted with a 9 pin female ‘D’ type socket for direct connection to a IBM AS/400 computer or
equivalent, see Figure 29. This facility can also be used with operating system software of other manufacturers. The
function of the pins on the socket are shown below:
Pin
Number
DESCRIPTION FUNCTION NUMBER
8 EDP70 PLUS UPS ON The UPS is supplying the load.
6 RESERVE TO LOAD The reserve AC supply is supplying the load.
9 UTILITY SUPPLY FAIL The AC utility supply to the UPS has failed.
7 BATTERY LOW The battery capacity is at a minimum and the inverter
will shortly shut down and the load will be automatically
transferred to the reserve AC supply.
5 COMMON All the above are connected to common when the
function is true.
Figure 29 EDP 70 Plus Computer Interface Pin Layout