APM Software and Firmware Revisions
| Part Number | Firmware Revision | Software Revision |
| APM-VOLT-AXO | 022173-01-R25 | 022121-01-R11 |
| APM-AMP-AXO | 022173-02-R25 | 022121-02-R11 |
| APM-FREQ-AXO | 022173-03-R26 | 022121-03-R11 |
| APM-PROC-AXO | 022173-07-R22 | 022121-07-R10 |
| APM-SHUNT-AXO | 022173-08-R07 | 022121-08-R01 |
| APM-RATE-AXO | 022173-09-R22 | 022121-09-R10 |
| APM-CT-AXO | 022173-10-R22 | 022121-10-R10 |
| APM-MICRO-AXO | 022173-14-R22 | 022121-14-R10 |
| APM-M1-M2-AXO | 022173-15-R22 | 022121-15-R10 |
| APM-TEMP-AXO | 022173-21-R03 | 022121-21-R01 |
| APM-PWR-AXO | 029442-01-R20 | 028406-01-R04 |