4-13
Chapter 4 Networking
Step 4. Wiring Network Cards (continued)
Fiber-Optic
Wiring
Connectors U1 (transmitter) and U2 (receiver) on the 4100-6057 Fiber-Optic Media Card are
used to connect 4100-6014 NICs across parts of a network.
Note:
• ST connectors with long strain relief boots are to be used with the fiber optic cable.
• Fiber backbone components must meet or exceed standard EIA/TIA 568-B (Electronic Industries
Alliance/Telecommunications Industry Association) for maximum power losses; single-mode fiber is
preferred; attenuation should be measured at 1310 nm.
Figure 4-10 shows how two network nodes are connected via fiber-optic cable.
Figure 4-10. Fiber Wiring
Fiber Optic
Connection Types
Dual Fiber Optic Cable Connections. The standard fiber optic connection between network
nodes uses two fiber optic cables, one for transmit, and the other for receive. This connection
allows for optimum communications distance.
The available communications distance is determined by the properties of the specific fiber
cable used. Distances can be determined using the information and examples shown in
Table 4-3.
Single Fiber Optic Cable Connections. For applications where a single fiber cable is
available, or where use of a single cable is desired, using a model 4190 9010 Bi-Directional
Coupler at each node combines the separate transmit and receive signals into a single path
(refer to the requirements list).
This connection allows use of a single fiber cable, but it does reduce communications distance
as indicated in the information and examples shown in Table 4-4.
U1 U2 U1 U2 U1 U2 U1 U2
FIBER MEDIA CARD
4100-6014
NETWORK
INTERFACE CARD
Fiber-Optic Cable
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