DOCSIS® Specifications — Modular CMTS (M-CMTS) Interface
| DESIGNATION | DATE | STATUS CODE | AUDIENCE LEVEL | TITLE |
| SP-DEPI | 02/23/07 | Issued (05) | Public | Downstream External PHY Interface Specification |
| SP-DTI | 12/22/06 | Issued (04) | Public | DOCSIS Timing Interface Specification |
| SP-ERMI | 12/09/05 | Issued (02) | Public | Edge Resource Manager Interface Specification |
| SP-M-OSSI | 12/06/07 | Issued (07) | Public | M-CMTS Operations Support System Interface Specification |
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Modular CMTS (M-CMTS) Specifications Summary—Updated 12-07