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CHAPTER 10
Transceiver and Cable Specifications
IN THIS CHAPTER
Calculating Power Budget and Power Margin for Fiber-Optic Cables | 151
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion | 153
CB-RE and RCB Interface Cable and Wire Specifications for MX Series Routers | 155
Routing Engine Interface Cable and Wire Specifications for MX Series Routers | 156
Calculating Power Budget and Power Margin for Fiber-Optic Cables
Use the information in this topic and the specifications for your optical interface to calculate the power
budget and power margin for fiber-optic cables.
TIP:
You can use the
to find information about the pluggable
transceivers supported on your Juniper Networks device.
To calculate the power budget and power margin, perform the following tasks:
1.
Calculating Power Budget for Fiber-Optic Cable | 151
2.
Calculating Power Margin for Fiber-Optic Cable | 152
Calculating Power Budget for Fiber-Optic Cable
To ensure that fiber-optic connections have sufficient power for correct operation, you need to calculate
the link's power budget, which is the maximum amount of power it can transmit. When you calculate the
power budget, you use a worst-case analysis to provide a margin of error, even though all the parts of an
actual system do not operate at the worst-case levels. To calculate the worst-case estimate of power
budget (P
B
), you assume minimum transmitter power (P
T
) and minimum receiver sensitivity (P
R
):
P
B
= P
T
– P
R
151
Содержание MX2010
Страница 1: ...MX2010 Universal Routing Platform Hardware Guide Published 2019 12 03...
Страница 28: ......
Страница 30: ...MX2010 Power System Description 95 MX2010 Cooling System Description 45 4...
Страница 54: ...MX2010 Router Overview 3 MX Series Router Interface Names MX2010 Port and Interface Numbering 90 28...
Страница 144: ...MX2010 DC Power 48 V System Electrical Specifications 201 122...
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Страница 258: ...Figure 85 Removing an AC Power Distribution Module Before Installing the MX2010 Router D g007439 241...
Страница 259: ...Figure 86 Removing a DC Power Distribution Module 48 V Before Installing the MX2010 Router D g007431 242...
Страница 273: ...Figure 98 Loading the MX2010 Router into the Rack g007436 256...
Страница 294: ...Figure 113 Reinstalling an AC Power Distribution Module g007440 D 277...
Страница 295: ...Figure 114 Reinstalling a DC Power Distribution Module 48 V D g007432 278...
Страница 373: ...4 PART Installing and Replacing Components Installing Components 359 Replacing Components 429...
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Страница 715: ...6 PART Troubleshooting Hardware Troubleshooting Components 703...
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Страница 767: ...Remove the shipping brackets and hardware and set them aside Guide the router in the shipping crate 754...
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Страница 775: ...763...
Страница 783: ...772...
Страница 796: ...Jewelry Removal Warning 787...
Страница 799: ...Operating Temperature Warning 790...
Страница 808: ...DC Power Disconnection Warning 799...
Страница 812: ...DC Power Wiring Sequence Warning 803...
Страница 815: ...DC Power Wiring Terminations Warning 806...