China ZE120552NN 8P8C Ethernet Connector Module Jack 1X2 RJ45 With Color factory and manufacturers

ZE120552NN 8P8C Ethernet Connector Module Jack 1X2 RJ45 With Color

Number of Ports: 1X2

Speed: RJ45 Without Magnetics

Application-Lan : NoN PoE

Latch: UP

LED: Without LED

Orientation : 90°Angle (Right)

Compatible Brand : ZhuSun

Mounting Type: Through Hole

Shielding: Unshielded

Temperature: ﹣40 TO ﹢85

Product Length (mm): 12.00

Product Height (mm): 11.50

Product Width (mm): 28.76

Part Number:ZE120552NN

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ZE120552NN 8P8C Ethernet Connector Module Jack 1X2 RJ45 With Color

Categories	Connectors, Interconnects
Categories	Modular Connectors - Jacks
Application-LAN	ETHERNET(NoN POE)
Connector Type	RJ45
Number of Positions/Contacts	8p8c
Number of Ports	1×2
Applications Speed	RJ45 Without Magnetics
Mounting Type	Through Hole
Orientation	90° Angle (Right)
Termination	Solder
Height Above Board	11.50 mm
LED Color	Without LED
Shielding	Unshielded
Features	Board Guide
Tab Direction	UP
Contact Material	Phosphor Bronze
Packaging	Tray
Operating Temperature	-40°C ~ 85°C
Contact Material Plating Thickness	Gold 6.00µin/15.00µin/30.00µin/50.00µin
Shield Material	Brass
Housing Material	Thermoplastic
RoHS Compliant	YES-RoHS-5 WIth Lead in Solder Exemption

In Ethernet equipment, when the PHY chip is connected to RJ, a network transformer is usually added. The center tap of some network transformers is grounded. Some are connected to the power supply, and the power supply value
can be different, including 3.3V, 2.5V, and 1.8V. Then how to connect the middle tap (PHY end) of the transformer?
B. Why is it connected to a different voltage when it is connected to the power supply?
This is also determined by the UTP port level specified in the PHY chip data used. The level must be connected to the corresponding voltage, that is, if it is 1.8v, it will be pulled up to 1.8v, if it is 3.3v, it will be pulled up to 3.3v.