Design of Structured Cabling Systems
Categories/Classes in SCS
1.Cooper phisical layer– shielded and unshielded.
- Category 3/Class “C”
- Category 5е/Class “D+”
- Category 6/Class “E”
- Category 7/Class “F”
TIA and ISO comaprison of frequences, categories and classes are shown in the next tabel: Tabel 1.
| Tabel 1: TIA and ISO clasification according to frequency bandwidth | ||||
|---|---|---|---|---|
| Frequency Bandwidth | TIA (Components) | TIA (Cabling) | ISO (Components) | ISO (Cabling) |
| 1 – 100 MHz | Category 5e | Category 5e | Category 5e | Class D |
| 1 – 250 MHz | Category 6 | Category 6 | Category 6 | Class E |
| 1 – 500 MHz | Category 6A | Category 6A | Category 6A | Class EA |
| 1 – 600 MHz | n/s | n/s | Category 7 | Class F |
| 1 – 1,000 MHz | n/s | n/s | Category 7A | Class FA |