Automatic Mdi Or Mdix Detection; Using A Cx4 Transceiver - Brocade Communications Systems FastIron SX Hardware Installation Manual

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Connecting network devices
4.
Insert the fiber-optic module into the port until the module clicks into place. Fiber-optic modules are keyed to prevent incorrect
insertion.
Cabling a fiber optic module
To cable a fiber-optic module, complete the following tasks.
1.
Remove the protective covering from the fiber optic module and store it for future use.
2.
Before cabling a fiber optic module, it is strongly recommended that you clean the cable connectors and the port connectors.
Refer to
Cleaning fiber optic modules
3.
Insert the cable connector (a tab on each connector should face up) into the port connector or until the tab locks into place.
Cleaning fiber optic modules
To avoid problems with connections between fiber optic modules (SFP (mini-GBIC), SFP+, or XFP) and the fiber cable connectors, it is
strongly recommended that you clean both connectors each time you disconnect and reconnect them. Refer to
connectors
on page 119.

Automatic MDI or MDIX detection

All 10/100 and Gigabit Ethernet copper ports on FastIron devices support automatic Media Dependent Interface (MDI) and Media
Dependent Interface Crossover (MDIX) detection. This feature is enabled on all 10/100 and Gigabit copper ports by default. For each
port, you can disable auto MDI or MDIX, or designate the port as an MDI port, or an MDIX port.
For more information about this feature refer to the FastIron Ethernet Switch Administration Configuration Guide.

Using a CX4 transceiver

A twin-axial 10G copper CX4 XFP transceiver can be installed in any 10G port. For a link to operate properly, both sides must use
identical CX4 transceivers. See the first figure below.
The CX4 transceiver requires a 15 meter CX4-grade cable with 24 or 26 American Wire Gauge (AWG). This cable can be purchased
from Brocade. Refer to part number CAB-CX4-0050 when ordering. See the second figure below.
NOTE
The CX4 transceiver is not hot-swappable.
90
on page 90.
Cleaning the fiber optic
Brocade FastIron SX Series Chassis Hardware Installation Guide
Part Number: 53-1003613-04

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