Analysis and Design of a Modern SCADA System

use), a user can develop an acceptable link-loss budget and select the
proper fiber cable or transceivers for their system [ 43 ].

Table 2. 1 : A table of IEEE recommended distances for networking

Ethernet.

Ethernet Standards

(IEEE) Data Rate^ Cable Fiber Type^

Maximum Distance

(IEEE)

Ethernet (10Base-

FL) 10 Mbps^

50μm or 62.5μm

Multimode @ 850nm 2km^

Fast Ethernet

(100Base-FX) 100 Mbps^

50μm or 62.5μm

Multimode @ 1300nm 2km^

Fast Ethernet

(100Base-SX) 100 Mbps^

50μm or 62.5μm

Multimode @ 850nm 300m^

Gigabit Ethernet

(1000Base-SX) 1000 Mbps^

50μm Multimode @

850nm 550m^

Gigabit Ethernet

(1000Base-SX) 1000 Mbps^

62.5μm Multimode @

850nm 220m^

Gigabit Ethernet

(1000Base-LX) 1000 Mbps^

50μm or 62.5μm

Multimode @ 1300nm 550m^

Gigabit Ethernet

(1000Base-LX /LH) 1000 Mbps^

9μm Singlemode

@1310nm 5km^

Gigabit Ethernet

(1000Base-ZX) 1000 Mbps^

9μm Singlemode

@1550nm 70km^

Table 2. 2 : The TIA/EIA Cable Loss Estimations

Fiber Type Loss Amount per 1 km

Multimode 62.5/125μm fiber @ 850nm 3.5dB / km

Multimode 62.5/125μm fiber @ 1300nm 1.5dB / km

Multimode 50/125μm fiber @ 850nm 3.5dB / km

Multimode 50/125μm fiber @ 1300nm 1.5dB / km

Singlemode 9/125μm fiber @ 1310nm 0.4dB / km

Singlemode 9/125μm fiber @ 1550nm 0.3dB / km

2. 5 Wireless Networks

A wireless network is such kind of network that does not use
wires to build a network. It uses radio waves to send data from one node to
other node. Wireless networks lie under the category of
telecommunications field. It is also known as wireless local area network