The 2000-1544-R is a RS-232-Bootload cable for use with Anritsu Power Meters.
RS-232-Bootload Cable
For use with the Anritsu ML2430A, ML2480B, and ML2490A Series Power Meters
It features a 9-pin null-modem configuration for direct PC-to-instrument connections
It is compatible with the ML2430A, ML2480B, and ML2490A series power meters
It is officially sold under the part number 2000-1544-R
The cable can also be locally assembled using about 2 meters of 8-conductor cable plus two 9-pin female D-connectors, following the wiring diagram provided in the ML2480B maintenance manual
