100 Mbps Fast Ethernet Collision Domain; 10 Mbps Ethernet Collision Domain; Cable Labeling And Connection Records; Table 4-5. Maximum Fast Ethernet Cable Lengths - Enterasys Matrix-V V2H124-24FX Hardware Installation Manual

4
Making Network Connections

100 Mbps Fast Ethernet Collision Domain

Type
100BASE-TX Category 5 or better 100-ohm UTP or STP 100 m (328 ft)
100BASE-FX
Multimode
100BASE-FX
Single-mode

10 Mbps Ethernet Collision Domain

Cable Type
Twisted Pair, Category 3 or better 100-ohm UTP

Cable Labeling and Connection Records

When planning a network installation, it is essential to label the opposing ends of
cables and to record where each cable is connected. Doing so will enable you to
easily locate inter-connected devices, isolate faults and change your topology
without need for unnecessary time consumption.
To best manage the physical implementations of your network, follow these
guidelines:
• Clearly label the opposing ends of each cable.
• Using your building's floor plans, draw a map of the location of all
network-connected equipment. For each piece of equipment, identify the devices
to which it is connected.
• Note the length of each cable and the maximum cable length supported by the
switch ports.
• For ease of understanding, use a location-based key when assigning prefixes to
your cable labeling.
• Use sequential numbers for cables that originate from the same equipment.
• Differentiate between racks by naming accordingly.
• Label each separate piece of equipment.
• Display a copy of your equipment map, including keys to all abbreviations at each
equipment rack.
4-6

Table 4-5. Maximum Fast Ethernet Cable Lengths

Cable Type
50/125 or 62.5/125 micron core multimode
fiber (MMF)
9/125 micron core single-mode fiber (SMF) 20 km (12.43 miles)

Table 4-6. Maximum Ethernet Cable Length

Max. Cable Length
2 km (1.24 miles)
Maximum Length
100 m (328 ft)
Connector
RJ-45
MT-RJ or SC
SC
Connector
RJ-45