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4 Direct-Attach Cables
Types of Direct-Attach Cables
SFP+ Direct-Attach Passive Cable
QSFP+ Direct-Attach Cables
Direct-attach copper and fiber cables provide connections between unpopulated SFP+ and QSFP+
ports.
This section describes direct-attach cables that are used with Extreme Networks optical modules and
includes the following sections:
Regulatory compliance information for all cables is listed in Technical Specifications.
Types of Direct-Attach Cables
Extreme Networks switches support three types of direct-attach cables that connect to SFP+ or QSFP
+modules:
•
SFP+ direct-attach passive cable
•
QSFP+ direct-attach passive copper cable
•
QSFP+ direct-attach active fiber cable
The type of device and compatible optical module determine the compatible type of direct-attach
cable.
Use only Extreme Networks-certified cables, available from Extreme Networks, to make connections to
the SFP+ or QSFP+ port on the switch or I/O module.
You can connect or disconnect direct-attach cables without powering down the system.
SFP+ Direct-Attach Passive Cable
The SFP+ direct-attach passive cable provides a 10-Gbps copper connection between unpopulated SFP
+ ports
The cable is available in lengths from 1 meter to 10 meters and is terminated in connectors that are
inserted directly into the SFP+ cages in place of optical SFP+ modules.
Pluggable Hardware Installation Guide 30