| TABLE 1: 1GE TRANSMISSION MEDIA OPTIONS (IEEE 802.3z and 802.3b) |
| Standard |
Type of medium |
Distance (m) |
1000BaseT
(802.3ab) |
CAT5 UTP |
100 |
1000BaseCX
(802.3z) |
Shielded, balanced copper |
25 |
1000BaseSX
(802.3z) |
50/125-µm MMF (850 nm)
62.5-µm MMF (850 nm) |
550
220-275 |
1000BaseLX
(802.3z) |
9/125-µm SNF (1300 nm)
50-µm MMF (1300 nm)
62.5-µm MMF (1300 nm) |
5000
550
500 |
MMF = multimode fiber UTP = unshielded twisted pair
SMF = single-mode fiber CAT5 = category 5 twisted pair
|