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SFP28 DAC Cable , 3M 25G Copper Twinax Cables Cisco Compatible

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Shenzhen Olinkcom Technology Co.,Ltd

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SFP28 DAC Cable Copper 25G Twinax Cables 3M Cisco Compatible

Cisco Compatible SFP-H25G-CU3M 25G SFP28 Passive Direct Attach Copper Twinax Cable 3M

Olinkcom's SFP28 passive cable assemblies are high performance, cost effective I/O solutions for 25G Ethernet.

SFP28 copper cables allow hardware manufactures to achieve high port density, configurability and utilization at

a very low cost and reduced power budget

Parameter	Symbol	Min	Typ	Max	Units	Notes
Differential Impedance	RIN,P-P	90	100	110	Ω
Insertion loss	SDD21	8		22.48	dB	At 12.8906 GHz
Differential Return Loss	SDD11	12.45		See 1	dB	At 0.05 to 4.1 GHz
Differential Return Loss	SDD22	3.12		See 2	dB	At 4.1 to 19 GHz
Common-mode to common-mode output return loss	SCC11	2			dB	At 0.2 to 19 GHz
Common-mode to common-mode output return loss	SCC22	2			dB	At 0.2 to 19 GHz
Differential to common-mode return loss	SCD11	12		See 3	dB	At 0.01 to 12.89 GHz
Differential to common-mode return loss	SCD22	10.58		See 4	dB	At 12.89 to 19 GHz
Differential to common Mode Conversion Loss	SCD21-IL	10				At 0.01 to 12.89 GHz
				See 5	dB	At 12.89 to 15.7 GHz
		6.3				At 15.7 to 19 GHz
Channel Operating Margin	COM	3			dB

Regulatory Compliance

Feature	Test Method	Performance
Electrostatic Discharge (ESD) to the Electrical Pins	MIL-STD-883C Method 3015.7	Class 1(>2000 Volts)
Electromagnetic Interference(EMI)	FCC Class B	Compliant with Standards
	CENELEC EN55022 Class B
	CISPR22 ITE Class B
RF Immunity(RFI)	IEC61000-4-3	Typically Show no Measurable Effect from a 10V/m Field Swept from 80 to 1000MHz
RoHS Compliance	RoHS Directive 2011/65/EU and it's Amendment Directives 6/6	RoHS 6/6 compliant

Pin Function Definition

Pin	Logic	Symbol	Description
1		VeeT	Module Transmitter Ground
2	LVTTL-O	Tx_Fault	Module Transmitter Fault
3	LVTTL-I	Tx_Disable	Transmitter disable; Turns off transmitter laser output
4	LVTTL-I/O	SDA	2-wire Serial Interface Data Line (Same as MOD-DEF2 in INF-8074i)
5	LVTTL-I/O	SCL	2-wire Serial Interface Clock (Same as MOD-DEF1 in INF-8074i)
6		Mod_ABS	Module Absent, connected to VeeT or VeeR in the module
7	LVTTL-I	RS0	Rate Select 0, optionally controls SFP+ module receiver
8	LVTTL-O	Rx_LOS	Receiver Loss of Signal Indication (In FC designated as Rx_LOS and in Ethernet designated as Signal Detect)
9	LVTTL-I	RS1	Rate Select 1, optionally controls SFP+ module transmitter
10		VeeR	Module Receiver Ground
11		VeeR	Module Receiver Ground
12	CML-O	RD-	Receiver Inverted Data Output
13	CML-O	RD+	Receiver Non-Inverted Data Output
14		VeeR	Module Receiver Ground
15		VccR	Module Receiver 3.3 V Supply
16		VccT	Module Transmitter 3.3 V Supply
17		VeeT	Module Transmitter Ground
18	CML-I	TD+	Transmitter Non-Inverted Data Input
19	CML-I	TD-	Transmitter Inverted Data Input
20		VeeT	Module Transmitter Ground

Mechanical Specifications

The connector is compatible with the SFF-8432 specification.

Ordering Information

Part Number	Description
OLSP02XC-CDM3	SFP28, up to 25.781 Gb/s,Copper Cable, 0~70℃, 3M

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