| A0 | North America |
| A1 | Universal EURO |
| A10 | China |
| A11 | India |
| A12 | Brazil |
| A2 | United Kingdom |
| A3 | Australia |
| A4 | 240v North America |
| A5 | Switzerland |
| A6 | Japan |
| C | C-Band Coherent Receiver Calibration Source (with single C-band laser) |
| 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 |
| C5 | Calibration Service 5 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 + 4 a |
| CC | C-Band Coherent Receiver Calibration Source (with two C-band lasers) |
| CL | C + L-Band Coherent Receiver Calibration Source (with coupled C and L lasers) |
| L | L-Band Coherent Receiver Calibration Source (with single L-band laser) |
| L0 | English manual |
| LL | L-Band Coherent Receiver Calibration Source (with two L-band lasers) |
| NL | Receiver calibrated over C+L |
| R3 | Repair Service 3 Years (including warranty) |
| R5 | Repair Service 5 Years (including warranty) |