2019 High quality Sfp28-25g-Aoc 5m - 100-425G Active optical cabel (QSFP28-4SFP28) JHA-QSFP28-4SFP28-100G-AOC – JHA

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2019 High quality Sfp28-25g-Aoc 5m - 100-4*25G Active optical cabel (QSFP28-4*SFP28) JHA-QSFP28-4SFP28-100G-AOC – JHA Detail:

Features

◊ Support 4x25GBASE-SR application

◊ Compliant to QSFP28 MSA SFF-8636 and SFP28 MSA SFF-8431 and SFF- 8472

◊ Multi rate of up to 25.78125Gbps per lane

◊ Transmission distance up to 50m

◊ +3.3V single power supply

◊ Low power consumption

◊ UL certification cables (optional)

◊ Operating temp Commercial: 0°C to +70 °C

◊ RoHS compliant

Applications

◊ 4x25Gbe-SR

◊ Other optical links

Specification:

Absolute Maximum Ratings

Table1- Absolute Maximum Ratings

Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Supply Voltage	Vcc₃	-0.5	-	+3.6	V
Storage Temperature	T_s	-10	-	+70	°C
Operating Humidity	RH	+5	-	+85	%	1

Note: 1 No condensation

Recommended Operating Conditions

Table 2- Recommended operating Conditions

Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Operating Temperature	T_C	0	-	+70	°C
Power Supply Voltage	Vcc	3.14	3.3	3.47	V
Power Dissipation per QSFP28	Pd	-	-	2.5	W
Power Dissipation per SFP28	Pd	-	-	1.0	W	1
Bit Rate per Lane	BR	10.3125	25.78125	-	Gbps

Note: 1 Per terminal

Electrical Characteristics

Table 3- Electrical Characteristics for QSFP28

Parameter		Symbol	Min.	Typ.	Max.	Units	Notes
ModSelL	Module Select	VOL	0	-	0.8	V
ModSelL	Module Unselect	VOH	2.5	-	VCC	V
LPMode	Low Power Mode	VIL	0	-	0.8	V
LPMode	Normal Operation	VIH	2.5	-	V_CC+0.3	V
ResetL	Reset	VIL	0	-	0.8	V
ResetL	Normal Operation	VIH	2.5	-	V_CC+0.3	V
ModPrsL	Normal Operation	VOL	0	-	0.4	V
IntL	Interrupt	VOL	0	-	0.4	V
IntL	Normal Operation	VoH	2.4	-	VCC	V
Electrical Transmitter Characteristics
Differential Date Input Swing		Vin,P-P	200	-	1600	mV
Output Differential Impedance		ZIN	90	100	110	Ω
Electrical Receiver Characteristics
Differential Data Output Swing		Vout	200	-	800	mV_PP
Bit Error Rate		BER			E-12		1
Input Differential Impedance		Z_D	90	100	110	Ω

Note: 1 PRBS2^31-1@25.78125Gbps

Table 4- Electrical Characteristics for SFP28

Parameter			Symbol		Min.	Typ.	Max.	Units		Notes
Electrical Transmitter Characteristics
Differential Data Input Swing			Vin,P-P		200	-	1600		mV_PP
Input Differential Impedance			ZIN		90	100	110		Ω
Tx_Fault	Normal Operation		VOL		0	-	0.8		V
	Transmitter Fault		VOH		2.0	-	VCC		V
Tx_Disable	Normal Operation		VIL		0	-	0.8		V
	Laser Disable		VIH		2.0	-	V_CC+0.3		V
Electrical Receiver Characteristics
Differential Date Output				Vout	400	-	800	mV
Bit Error Rate				BER	-	-	E-12	-
Output Differential Impedance				Z_D	90	100	110	Ω
Rx_LOS		Normal Operation		VOL	0	-	0.8	V
		Lose Signal		VoH	2.0	-	VCC	V

Pin arrangement

Figure 1, Pin View for QSFP28

Table 5- Pin Function Definitions for QSFP28

Pin	Symbol	Name/Description	Notes
1	GND	Ground	1
2	Tx2n	Transmitter Inverted Data Input
3	Tx2p	Transmitter Non-Inverted Data Input
4	GND	Ground	1
5	Tx4n	Transmitter Inverted Data Input
6	Tx4p	Transmitter Non-Inverted Data Input
7	GND	Ground	1
8	ModSelL	Module Select
9	ResetL	Module Reset
10	Vcc Rx	+3.3V Power Supply Receiver
11	SCL	2-wire serial interface clock
12	SDA	2-wire serial interface data
13	GND	Ground	1
14	Rx3p	Receiver Non-Inverted Data Output
15	Rx3n	Receiver Inverted Data Output
16	GND	Ground	1
17	Rx1p	Receiver Non-Inverted Data Output
18	Rx1n	Receiver Inverted Data Output
19	GND	Ground	1
20	GND	Ground	1
21	Rx2n	Receiver Inverted Data Output
22	Rx2p	Receiver Non-Inverted Data Output
23	GND	Ground	1
24	Rx4n	Receiver Inverted Data Output

Pin	Symbol	Name/Description	Notes
25	Rx4p	Receiver Non-Inverted Data Output
26	GND	Ground	1
27	ModPrsL	Module Present
28	IntL	Interrupt
29	Vcc Tx	+3.3V Power supply transmitter
30	Vcc1	+3.3V Power supply
31	LPMode	Low Power Mode
32	GND	Ground	1
33	Tx3p	Transmitter Non-Inverted Data Input
34	Tx3n	Transmitter Inverted Data Input
35	GND	Ground	1
36	Tx1p	Transmitter Non-Inverted Data Input
37	Tx1n	Transmitter Inverted Data Input
38	GND	Ground	1

Note: 1. Circuit ground is internally isolated from chassis ground.

Figure 2, Pin View for SFP28

Table 6-Pin Function Definitions

Pin	Symbol	Name/Description	Notes
1	VEET	Module Transmitter Ground	1
2	TX_FAULT	Module Transmitter Fault	2
3	TX_DISABLE	Transmitter Disable; Turns off transmitter laser output	3
4	SDA	2-Wire Serial Interface Data Line (MOD-DEF2)
5	SCL	2-Wire Serial Interface Clock (MOD-DEF1)
6	MOD_ABS	Module Absent, connected to V_EET or V_EER in the module	2
7	RS0	Rate Select 0, optionally controls SFP+ module receiver	4
8	RX_LOS	Receiver Loss of Signal Indication (In FC designated as Rx_LOS and in Ethernet designated as NOT Signal Detect)	2
9	RS1	Rate Select 1, optionally controls SFP+ module transmitter	4

Pin	Symbol	Name/Description	Notes
10	V_EER	Module Receiver Ground	1
11	V_EER	Module Receiver Ground	1
12	RD-	Receiver Inverted Data Output
13	RD+	Receiver Non-Inverted Data Output
14	V_EER	Module Receiver Ground	1
15	V_CCR	Module Receiver 3.3 V Supply
16	V_CCT	Module Transmitter 3.3 V Supply
17	V_EET	Module Transmitter Ground	1
18	TD+	Transmitter Non-Inverted Data Input
19	TD-	Transmitter Inverted Data Input
20	V_EET	Module Transmitter Ground	1

Note:

The module ground pins are isolated from the module case.
The pins shall be pulled up with 4.7K-10Kohms to a voltage between 3.14V and 3.46V on host board.
The pin is pulled up to VCCT with a 4.7K-10KΩ resistor in the module.
See SFF-8472 Rev12.2 Table 10-2.