Cisco Catalyst 4500 Series System Message Manual page 27

Chapter 2 Messages and Recovery Procedures
Error Message C4K_CHASSIS-3-MIXINPOWERDETECTED:Power supplies in the chassis are of
different types (AC/DC) or wattage
Explanation
4006 chassis, the power values default to the wattage of the weakest power supply. If you mix power
supplies in a Catalyst 4500 series chassis, the switch will use the power supply in power supply bay
1 (PS1) and ignore the power supply in power supply bay 2 (PS2). We do not recommend mixing
power supplies of different wattages.
Recommended Action
supply if necessary.
Error Message C4K_CHASSIS-3-MIXINVOLTAGEDETECTED: Power supplies in the chassis are
receiving different voltage inputs
Explanation
supported.
Recommended Action
same model.
Error Message C4K_CHASSIS-3-MODULENOTSUPPORTHALF: Module [dec] does not support 10
Mb or 100Mb Half duplex operation. Please have your card upgraded if you need half
duplex operation.
Explanation
mode. This module is probably a prototype.
Recommended Action
module to Cisco.
Error Message C4K_CHASSIS-3-OLDWSX4124: WS-X4124-FX-MT revision [dec].[dec], which
is < 1.6, is not supported
Explanation
Recommended Action
a newer hardware revision number.
Error Message C4K_CHASSIS-3-ONLYLXSFPSALLOWED: Port [char] has a non-LX SFP, which
is not supported
Explanation
Small Form-Factor Pluggable (SFP) as faulty.
Recommended Action
OL-13091-01
The software detected different kinds of power supplies in the chassis. In a Catalyst
Verify that both power supplies are the same kind and wattage. Replace a power
All the inputs to a chassis must be at the same voltage. Mixed voltage inputs are not
Replace one of the power supplies so that the power supplies used are of the
Some preproduction switching modules have interfaces that do not work in half-duplex
Contact your technical support representative; you will likely have to return the
WS-X4124-FX-MT modules with revisions < 1.6 are not supported.
This module needs to be replaced with a WS-X4124-FX-MT module that has
The WS-X4448-GB-LX module supports only LX SFPs. It marks any other type of
Replace the SFP with an LX SFP that Cisco supports.
Catalyst 4500 Series Switch Cisco IOS System Message Guide
CHASSIS Messages
2-9