| 4T | 1 12.5 Gb/s Four Tap Digital Pre-Emphasis Processor |
| A0 | North America |
| A1 | Universal EURO |
| A10 | China |
| A11 | India |
| A2 | United Kingdom |
| A3 | Australia |
| A4 | 240v North America |
| A5 | Switzerland |
| A6 | Japan |
| C3 | Calibration Service 3 Yrs. Provides traceable or functional verification events whichever are applicable to the Product. Cals are at Tektronix recommended interval during the coverage period. Cal coverage includes the Manufactures Cal + 2 a |
| D1 | Calibration Data Report |
| D3 | Calibration Data Report 3 Years |
| L0 | English manual |
| R3 | Repair Service 3 Years (including warranty) |
| R5 | Repair Service 5 Years (including warranty) |