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IBM BNT BN-CKM-S-T Compatible 1000BASE-T SFP Copper RJ45 Transceiver Module, 100m

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Direct replacement for the IBM BNT BN-CKM-S-T 1000BASE-T SFP module
Coded and tested in IBM BNT RackSwitch and blade chassis switch modules
Compliant with SFP MSA, IEEE 802.3, and IEEE 802.3ab
100m (328 ft) reach for Gigabit Ethernet over Cat5, Cat5e, or better copper cable
Power draw of 1.1 W
Compact RJ45 female connector, hot-pluggable

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IBM BNT BN-CKM-S-T Compatible 1000BASE-T SFP Transceiver Module (Copper, 100m, RJ45)

This IBM BNT BN-CKM-S-T compatible SFP module delivers Gigabit Ethernet over Cat5, Cat5e, or better copper cable at distances up to 100 meters (328 ft) through an RJ45 connector. It meets the Gigabit Ethernet and 1000BASE-T specifications in IEEE 802.3-2002 and IEEE 802.3ab, so an SFP slot on a RackSwitch or blade chassis switch module can take a standard copper run for uplinks and management connections.

Every unit is programmed with IBM BNT EEPROM coding and tested in IBM 1G switches, servers, and network interface cards before it ships, so the port recognizes it exactly as it would the OEM part. Each module is engineered, produced, and tested in-factory, and against the OEM part it can cut networking cabling costs on a project by up to 80 percent.

Specifications


Compatible OEM Part#	BN-CKM-S-T	Manufacturer Part#	FOD-IBM-BNCKMST
Form Factor	SFP	Data Rate	1000 Mbps
Wavelength	NA	Media Type	Cat5/5e/6/6a cable
Max Distance	100 m	Transmitter Type	N/A
Receiver Type	N/A	Transmitter Power	N/A
Receiver Sensitivity	N/A	Extinction Ratio	N/A
Receiver Overload	N/A	Connector	RJ45 Female
Power Consumption	1.1 W	DDM/DOM	No
Compliance	RoHS, CE, REACH, SFP MSA, IEEE 802.3, IEEE 802.3ab	Environment	Operating Temperature: 0~70°C, Storage Temperature: -40~85°C
Application	Gigabit Ethernet, switch to switch interface, switch to NIC or media converter interface, other 1G links	Shipping Weight	0.03 kg
Dimensions (LxWxH)	68.0×13.5×14 mm

Additional Information
First Listed on Newegg	September 15, 2026

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