For more information about this feature and how to configure it, refer to the
FastIron Ethernet Switch
Security Configuration Guide
.
Connecting a network device to a fiber port
For direct attachment from the device to a Gigabit NIC, switch, or router, using a fiber-optic
transceiver, you need fiber cabling with an LC connector.
To connect the device to another network device using a fiber port, you must perform the following
tasks:
• Install a fiber-optic transceiver (SFP or SFP+).
• Cable the fiber-optic transceiver.
For instructions on installing fiber-optic transceivers, refer to
Installing a fiber-optic transceiver
on page
70.
For instructions on cabling a fiber-optic transceiver, refer to
Cabling a fiber-optic transceiver
71.
For instructions on cleaning a fiber-optic module, refer to
Cleaning the fiber-optic connectors
on page
72.
Troubleshooting network connections
• For the indicated port, verify that both ends of the cabling (at the device and the connected device)
are snug.
• Verify that the device and the connected device are both powered on and operating correctly.
• Verify that you have used the correct cable type for the connection:
‐
For twisted-pair connections to an end node, use straight-through cabling.
‐
For fiber-optic connections, verify that the transmit port on the device is connected to the
receive port on the connected device, and that the receive port on the device is connected
to the transmit port on the connected device.
• Use the CLI to verify that the port has not been disabled through a configuration change. If you
have configured an IP address on the device, you also can use Brocade Network Advisor.
• If the other procedures do not resolve the problem, try using a different port or a different cable.
• If a 1-Gbps optic transceiver is inserted into a ICX 7250 device, you must configure the port using
the
speed-duplex 1000-full-master
command at the interface level.
Digital optical monitoring
NOTE
10 Gbps optical transceivers are not supported on ICX 7250-24G devices.
You can configure your device to monitor optical transceivers in the system, either globally or by
specified port. When this feature is enabled, the system monitors the temperature and signal power
levels for the optical transceivers in the specified ports. Console messages and syslog messages are
sent when optical operating conditions fall below or rise above the SFP and SFP+ manufacturer’s
recommended thresholds. For more information about digital optical monitoring, refer to the
FastIron
Ethernet Switch Security Configuration Guide
.
Connecting a network device to a fiber port
62
Brocade ICX 7250 Switch Hardware Installation Guide
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