Hardware Installation Guide
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Contact your Cisco technical support representative if your switch does not pass POST. If POST fails, the system LED remains amber. Note POST failures are usually fatal. A cable ... POST completes successfully, the system LED rapidly blinks green. See the "LEDs" section on page 1-14 for troubleshooting information about the switch. Verify Switch Connections Review these situations: • Change the copper or fiber-optic cable with a known, good cable if necessary. • Look for marginal damage or failure.
Contact your Cisco technical support representative if your switch does not pass POST. If POST fails, the system LED remains amber. Note POST failures are usually fatal. A cable ... POST completes successfully, the system LED rapidly blinks green. See the "LEDs" section on page 1-14 for troubleshooting information about the switch. Verify Switch Connections Review these situations: • Change the copper or fiber-optic cable with a known, good cable if necessary. • Look for marginal damage or failure.
Hardware Installation Guide
Page 76
... of the connectivity issue. For information about enabling UDLD on fiber-optic links. You can happen when you re-enable the port. Monitor Switch Performance Review these sections when you find unidirectional link problems. UDLD supports a normal mode of alignment errors, frame check sequence (FCS), or late-collisions errors, a speed or...
... of the connectivity issue. For information about enabling UDLD on fiber-optic links. You can happen when you re-enable the port. Monitor Switch Performance Review these sections when you find unidirectional link problems. UDLD supports a normal mode of alignment errors, frame check sequence (FCS), or late-collisions errors, a speed or...
Hardware Installation Guide
Page 95
... to the switch ports, or connecting to the small form-factor pluggable (SFP) modules, see Chapter 1, "Product Overview." These steps describe how to a power source, review the safety warnings in the Catalyst 2960 Switch Getting Started Guide for powering on an unconfigured switch by using Express Setup. Before you can access...
... to the switch ports, or connecting to the small form-factor pluggable (SFP) modules, see Chapter 1, "Product Overview." These steps describe how to a power source, review the safety warnings in the Catalyst 2960 Switch Getting Started Guide for powering on an unconfigured switch by using Express Setup. Before you can access...