| 125G | 12.5Gb/s Pattern Generator and Error Analyzer upgrade |
| 175G | 17.5Gb/s Pattern Generator and Error Analyzer upgrade |
| 260G | 26.0Gb/s Pattern Generator and Error Analyzer upgrade |
| COMUP | Upgrade to communications port for control of de-emphasis instrument in specific applications. Applies to units with serial numbers below 280515. |
| IF | Upgrade Installation Service |
| IFC | Service Installation and Calibration |
| J-MAP | Add Jitter Decomposition SW |
| JMAP | Add Jitter Decomposition SW |
| L0 | English manual |
| LDA | Add Live Data Analysis |
| PCISTR | Add PCIE Extended Stress Generation (requires STR) |
| PVU | Add PatternVu Equalization Processing SW option |
| SF | Add Symbol Filtering option SW (included in STR) |
| SLD | Add Stressed Live Data SW option |
| STR | Stressed Signal Generation |