ccna 1-6 cables overview.ppt

Building a work
Cabling Cisco Devices
core_sw_a
ISDN Cloud
Leased Line/
Frame Relay
Legend
/
ISDN
Dedicated
Core_Server
Cabling the Campus
Comparing Media Requirements
Unshielded Twisted-Pair Cable
Speed and throughput: 10 to 1000 Mb/s
Average cost per node: Least expensive
Media and connector size: Small
Maximum cable length: Varies
RJ-45 Connector
RJ-45 Jack
Cable 10BASE-T/
100BASE-TX Straight-Through
Pin Label
Pin Label
1
2
3
4
5
6
7
8
TX+
TX-
RX+
NC
NC
RX-
NC
NC
1
2
3
4
5
6
7
8
TX+
TX-
RX+
NC
NC
RX-
NC
NC
Straight-Through Cable
Wires on cable endsare in same order.
UTP Implementation (Straight-Through)
Cable 10BASE-T or
100BASE-TX Straight-Through
Crossover Cable
Some wires on cableends are crossed.
Pin Label
Pin Label
1
2
3
4
5
6
7
8
TX+
TX-
RX+
NC
NC
RX-
NC
NC
1
2
3
4
5
6
7
8
TX+
TX-
RX+
NC
NC
RX-
NC
NC
EIA/TIA T568A
EIA/TIA T568B
UTP Implementation (Crossover)
UTP Implementation: Straight-Through vs. Crossover
Using Varieties of UTP