36
Specifications
Cabling and Technology Specifications
Table 3. Cabling Specifications
Twisted-pair copper
10 Mbps Operation Category 3, 4 or 5, 100-ohm unshielded twisted-pair (UTP) or
shielded twisted-pair (STP) cable, complying with IEEE 802.3
10BASE-T specifications.
100 Mbps Operation Category 5, 100-ohm UTP or STP cable, complying with IEEE
802.
3u 100B
ASE-TX specifications.
1000 Mbps Operation Category 5, 100-ohm 4-pair UTP or STP cable, complying with IEEE
802.
3ab 1
000BASE-T specifications—Category 5e or better is
recommended. See note on 1000BASE-T Cable Requirements
below.
10 Gbps Operation Category 6 or 6A, 100-ohm 4-pair UTP
cabl
e, or Category 6A or 7,
100-ohm 4-pair STP cable, complying with IEEE 802.3an 10GBASE-
T specifications. See note on 10GBASE-T Cable Requirements
below, and see Table 4 for distances supported with each cable
type.
Twinaxial copper
CX4 cables Twinaxial cables complying with IEEE 802.3ak 10GBASE-CX4
specifications.
Direct attach cables One-piece devices consisting of a cable with SFP+ connectors
permanentl
y attached to each end, complying with SFF 8431 SFP+
specifications.
Multimode fiber
62.5/125 m or 50/125 m (core/cladding) diameter, low metal
content, graded index fiber-optic cables, complying with the
ITU-T G.651 and ISO/IEC 793-2 Type A1b or A1a standards
respectively.
1
Single mode fiber
9/125 m (core/cladding) diameter, low metal content fiber-optic
cables, complying with the ITU-T G.652 and
ISO/IEC 793-2 Type B1 standards.
1
A mode conditioning patch cord may be needed for some Gigabit-LX and 10-Gigabit LRM installations.
See “Mode Conditioning Patch Cord” on page 39 for more information.
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