Required APC UPS Communication Cable
UPS Communication Cable for IBM AS/400
UPS serial interface cables that provide direct communication between UPSs and desktops, workstations, and servers.
APC Part Number : 940-0006(for more info//http://www.apc.com/resource/include/techspec_index.cfm?base_sku=940%2D0006)
pls post the pin out
thank you
[img]http://www.apc.com/resource/images/products/bp500in_f_v.jpg