1.25g gigabit rj45 electrical sfp transceiver 1000base-t sfp copper rj-45 100m transceiver module

1.25g  gigabit rj45 electrical sfp transceiver 1000base-t sfp copper rj-45 100m transceiver module

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JTOPTICS JT-1G-SFP-RJ Copper Small Form Pluggable (SFP) transceivers is high performance, cost effective module compliant with the Gigabit Ethernet and 1000BASE-T standards as specified in IEEE 802. 3-2002 and IEEE 802.3ab, which supporting 1000Mbps data-rate up to 100 meters reach over unshielded twisted-pair category 5 cable. The module supports 1000 Mbps full duplex data-links with 5-level Pulse Amplitude Modulation (PAM) signals. The module provides standard serial ID information compliant with SFP MSA, which can be accessed with address of A0h via the 2wire serial CMOS EEPROM protocol. The physical IC can also be accessed via 2wire serial bus at address ACh.


  • Hot-pluggable SFP form factor
  • Compliant with SFP MSA standard
  • Compliant with IEEE 802.3ab standard
  • Supports 1000Mb/s data rate
  • TX Disable and RX Los/without Los function
  • 1000BASE-T operation in host systems with SerDes interface
  • Compact RJ-45 connector assembly
  • Access to physical layer IC via 2-wire serial bus
  • Single 3.3V power supply
  • RoHS-6 compliant (lead free)


  • Gigabit Ethernet
  • Media converter
  • Switch to Switch interface
  • Switched backplane applications
  • Router/Server interface

Form TypeSFP
Cable TypeCat 5
Commercial Temperature Range0 to 70°C (32 to 158°F)
Max Data Rate1000Mbps
Max Cable Distance100m
DOM SupportNo
ProtocolsMSA Compliant, IEEE STD 802.3 and 802.3ab

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JT-1G-SFP-RJ.pdf177.07KB Download

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  • Product Code: JT-1G-SFP-RJ
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JT-1G-SFP-RJ.pdf177.07KB Download

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