| D3 | Docsis 3.0 |
| FDR | Frequency Domain Reflectometer |
| FS-1 | Forward Sweep Option |
| PP-1 | Power Pack |
| QA-2 | QAM Option |
| SA-1 | Spectrum Analysis |
| SR-1 | Return Sweep Receiver |
| TC-1 | Traffic Control Option |
| UP-LD | Upstream Linear Distortion |
| VITS | Vertical Interval Test Signal |
| VP-1 | Adds RSVP Installers Return Tester Functions to the 860 |
| Wi-Fi | (802.11b/g) |