Dell PowerConnect J-EX4500 Hardware Guide - Page 62
SFP+ Direct Attach Cables for J-EX Series Switches
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Dell PowerConnect J-Series J-EX4500 Ethernet Switch Hardware Guide Table 19: Optical Interface Support for Gigabit Ethernet SFP+ Transceivers in J-EX4500 Switches (continued) Ethernet Standard Specifications 10GBase-ER Model Number EX-SFP-10GE-ER Rate 10 Gbps Connector Type LC Fiber Count Dual Transmitter Wavelength 1550 nm Minimum Launch Power -4.7 dBm Maximum Launch Power 4 dBm Minimum Receiver Sensitivity -11.3 dBm Maximum Input Power -1 dBm Fiber Type SMF Core/Cladding Size 9/125 µm Modal Bandwidth - Distance 40 km (24.8 miles) DOM Support Available Software required Junos OS for J-EX Series switches, Release 11.1 or later Related • Front Panel of a J-EX4500 Switch on page 8 Documentation • Installing a Transceiver in a J-EX Series Switch on page 96 • Removing a Transceiver from a J-EX Series Switch on page 137 SFP+ Direct Attach Cables for J-EX Series Switches Small form-factor pluggable plus transceiver (SFP+) direct attach copper (DAC) cables, also known as Twinax cables, are suitable for in-rack connections between servers and switches. They are suitable for short distances up to 7 m, making them ideal for highly cost-effective networking connectivity within a rack and between adjacent racks. 46