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| Chinese National Standard List: Arrangement of transmission system group and frequency spectrum |
| Title | Standard No. | Implemented On |
| Specification for channel translating equipment used on carrier systems | GB 4577-1984 | 1985-4-1 |
| Specification for group translating equipment used on carrier systems | GB 4576-1984 | 1985-4-1 |
| Specification for Group Translating Equipment Used on Carrier Systems | YD/T 553-1992 | 1900-1-1 |
| Specification for Channel Translating Equipment Used on Carrier Systems | YD/T 554-1992 | 1900-1-1 |
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