Chapter 1: Overview
32
XEM2-4QS Line Card
The XEM2-4QS Line Card is shown in Figure 10.
Figure 10. XEM2-4QS Line Card
Transceivers
The card supports the following types of 40Gbps QSFP+ transceivers in
its four ports:
QSFPSR4 transceiver - Maximum operating distance of 150
meters (492 feet) with 12-strand OM4 fiber optic cable.
QSFPLR4 transceiver - Operating range of 2 meters (6.6 feet) to
10 kilometers (6.2 miles) with single-mode fiber optic cable.
QSFP1CU and QSFP3CU direct attach cables - Lengths of 1 and
3 meters, respectively.
LEDs
The LED states for the ports on the XEM2-4QS Line Card are described in
Table 8.
Table 8. Port Link and Activity Status LEDs on the XEM2-4QS Line Card
State
Description
Solid Green
The transceiver has established a
40GBase link to a network device.
Содержание AT-x950-28XSQ
Страница 8: ...Contents 8 ...
Страница 12: ...Tables 12 ...
Страница 16: ...Preface 16 ...
Страница 62: ...Chapter 2 Virtual Chassis Stacking 62 ...
Страница 80: ...Chapter 3 Beginning the Installation 80 ...
Страница 90: ...Chapter 4 Installing Power Supplies and Optional XEM2 Line Card 90 ...
Страница 102: ...Chapter 6 Installing the Switch in an Equipment Rack 102 ...
Страница 106: ...Chapter 7 Installing the Switch on a Wall 106 Figure 67 Minimum Wall Area Dimensions with the Front Panel on the Right ...
Страница 118: ...Chapter 7 Installing the Switch on a Wall 118 ...
Страница 146: ...Chapter 8 Configuring Switches for Stacking 146 ...
Страница 158: ...Chapter 9 Cabling the Networking Ports 158 ...
Страница 164: ...Chapter 10 Replacing Modules 164 Figure 94 Tightening the Two Screws on the Line Card Blank Panel ...
Страница 169: ...AT x950 28XSQ Switch and VCStack Installation Guide 169 Figure 100 Installing the Blank Power Supply Cover ...
Страница 180: ...Chapter 11 Troubleshooting 180 ...
Страница 190: ...Appendix A Technical Specifications 190 ...