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50G QSFP28 ER

50G QSFP28 ER

The HG Genuine MTRQ-1EA42 QSFP28 transceiver modules is a high performance, cost effective module for 50 Gigabit Ethernet links up to 40km over single mode fiber. They are compliant with the QSFP28 MSA, and IEEE 802.3cd.
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Features 

Hot-pluggable QSFP28 form factor and Compliant with QSFP+ MSA.

  • I2C management interface

  • RoHS-6 compliant (lead-free)

  • Power dissipation < 3.5W

  • 0°C to 70°C Commercial Temperature Range

  • Single 3.3V power supply

  • Maximum link length of 40km on SMF

  • Optical 26.6GBaud PAM4

  • IEEE STD 802.3cd Compliant

  • 50GAUI-2 Serial Electrical Interface support

  • Duplex LC connector

     

Applications                                    

  • 50G ER applications

  • Other Optical Links

 

Standards

  • Compliant with QSFP+ MSA.

  • Compliant with SFF-8636

  • Compliant with IEEE802.3cd

  • Compliant with IEEE802.3bm

  • Compliant with RoHS6

 

Description

The HG Genuine MTRQ-1EA42 QSFP28 transceiver modules is a high performance, cost effective module for 50 Gigabit Ethernet links up to 40km over single mode fiber. They are compliant with the QSFP28 MSA, and IEEE 802.3cd. The Optical transmitter integrated with DSP that translated two lans 26.6GBd NRZ to 26.6GBd PAM4.It contains a single LC connector for the optical interface and a 38-pin connector for the electrical interface. Digital Diagnostics functions are available via a 2-wire serial interface, as specified SFF-8636.

 

Specifications

Table1-Absolute Maximum Ratings

Parameter

Symbol

Min

Typ.

Max

Unit

Storage Temperature Range

Ts

-40


85

oC

Operating case temperature

Top

-5


75

oC

Relative Humidity(non-condensing)

RH

5


85

%

Power Supply Voltage

Vcc

-0.5


3.6

V

Receiver Damage Threshold

PT



-2.37

dBm

ESD Sensitivity




±500 for High speed lines

±2kV for others

V

 

Recommended working conditions

Table2-Recommended Operating Conditions

Parameter

Symbol

Min

Typ. 

Max

Unit

Operating Case Temperature Range

Tc

0

-

70

oC

Power Supply Voltage

Vcc

3.135

3.3

3.465

V

Data Rate(Electrical)

DRe


26.5625


Gbps

Data Rate(Optical)

DRo


53.125


Gbps

Transmission Distance




40000

m

 

OpticalElectrical Characteristic

Tested under recommended operating conditions, unless otherwise noted

Table3-Transmitter Operating Characteristic-Optical

Parameter

Symbol

Min.

Typ.

Max. 

Unit

Note

Signaling Rate(range)


26.5625 ± 100 ppm

GBd


Wavelengths (range)

WL

1304.5


1317.5

nm


Module Format


PAM4



Average Launch Power

PAVG

0.4


6.63

dBm

1

Optical modulation amplitude

(OMA)

POMA

3.4


7.4

dBm

2

Side-Mode Suppression Ratio

SMSR

30



dB


Extinction Ratio

ER

6



dB


Launch power in OMA minus

TDECQ(min)


2



dB


Transmitter and dispersion eye

closure for PAM4 (TDECQ)(max)




3.2

dB


Average launch power of OFF

transmitter(max)




-15

dBm


RIN OMA(max)




TBD

dB/Hz


Optical return loss tolerance(max)




TBD

dB


Transmitter Reflectance(max)




-26

dB

3

Notes:

[1] Min average power is informative and not the principal indicator of signal strength. Power below this value cannot be compliant; however, a value above this does not ensure compliance.

[2] Even if the TDECQ < 1 .4dB, the OMAouter (min) must exceed this value.

[3] Transmitter reflectance is defined looking into the transmitter.


Table4- Receiver Operating Characteristic-Optical

Parameter

Symbol

Min.

Typ.

Max. 

Unit

Note

Signaling rate (range)


26.5625 ± 100 ppm

GBd


Modulation format


PAM4



Wavelengths (range)

WL

1304.5


1317.5

nm


Damage threshold


-2.37



dBm

1

Average receive power


-17.6


-3.37

dBm

2

LOS Assert

LOSA

-30



dBm


LOS De-Assert

LOSD



-18

dBm


LOS Hysteresis


0.5



dB


Receiver Sensitivity (OMA)

RS



-15.1

dBm

3

Stressed Receiver Sensitivity (OMA)

RSS



-13.3

dBm

4

Receiver Reflectance




-26

dB


Condition of Stressed sensitivity test

Stressed Eye Closure

SECQ



3.2

dB

5

Notes:

[1] The receiver shall be able to tolerate, without damage, continuous exposure to an optical input signal having this average power level

[2] Average receive power (min) is informative and not the principal indicator of signal strength. A received power below this value cannot be compliant; however, a value above this does not ensure compliance.

[3] Receiver sensitivity (OMAouter) (max) is informative and is defined for a transmitter with a value of SECQ up to 3.2 dB for 50GBASE-ER. The value of BER is 2e-4(before FEC).

[4] Measured with conformance test signal at TP3 (see 139.7.10) for the BER specified in 139.1.1 (IEEE802.3cd)

[5] These test conditions are for measuring stressed receiver sensitivity. They are not characteristics of the receiver

 

Table5- Operating Characteristic- Electrical

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Input Differential Impedance



100


Ω


Differential Data Input Swing




900

mV


Differential Data Output Swing




900

mV


 

Digital Diagnostic Functions and Control and Status I/O Timing Characteristics

Table6- Digital Diagnostic Functions

Parameter

Symbol

Min

Max

Unit

Notes

Temperature monitor absolute error

DMI_Temp

-3

+3

degC


Supply voltage monitor absolute error

DMI _VCC

-5%

5%


Full operating range

Channel RX power monitor absolute error

DMI_RX

-3

3

dB


Channel Bias current monitor

DMI_Ibias

-10%

10%



Channel TX power monitor absolute error

DMI_TX

-3

3

dB


 

Table7- Control and Status I/O Timing Characteristics

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Initialization time

t_init



2000

ms

1

Reset Init Assert Time

t_reset_init

10



us

2

Serial Bus Hardware Ready Time

t_serial



2000

ms

3

Reset Assert Time

t_reset



2000

ms

4

LPMode Assert Time

ton_LPMode



100

us

5

LPMode Deassert Time

Toff_LPMode



500

ms

6

IntL Assert Time

ton_IntL



200

ms

7

IntL Deassert Time

toff_IntL



500

us

8

Rx LOS Assert Time

ton_los



100

ms

9

Tx Fault Assert Time

ton_Txfault



200

ms

10

Flag Assert Time

ton_flag



200

ms

11

Mask Assert Time

ton_mask



100

ms

12

Mask Deassert Time

toff_mask



100

ms

13

Power_override or Power_set Assert Time

ton_Pdown



100

ms

14

Power_override or Power_set Deassert Time

toff_Pdown



600

ms

15

Notes:

[1] Time from power on, hot plug or rising edge of reset until the module is fully functional. This time does not apply to non-Power level 0 modules in Low Power State.

[2] A Reset is generated by a low level longer than t_reset_init present on the ResetL input.

[3] Time from power on until the module responds to data transmission over the two wire serial bus.

[4] Time from assertion of LPMode (Vin:LPMode = Vih) until module power consumption reaches Power Level 1.

[5] Time from deassertion of LPMode (Vin:LPMode = Vil) until module is fully functional,

[6] Time from occurrence of condition triggering IntL until Vout:IntL=Vol.

[7] Time from clear on read operation of associated flag until Vout:IntL=Voh. This includes deassert times for Rx LOS, Tx Fault and other flag bits.

[8] Time from Rx LOS state to Rx LOS bit set (value = 1b) and IntL asserted.

[9] Time from Tx Fault state to Tx Fault bit set (value = 1b) and IntL asserted.

[10] Time from condition triggering flag to associated flag bit set (value = 1b) and IntL asserted.

[11] Time from mask bit set (value = 1b) until associated IntL assertion is inhibited.

[12] Time from mask bit cleared (value = 0b) until associated IntL operation resumes.

[13] Time from change of state of Application or Rate Select bit until transmitter or receiver bandwidth is in conformance with appropriate specification.

[14] Time from P_Down bit set (value = 1b) until module power consumption reaches Power Level 1

[15] Time from P_Down bit cleared (value = 0b) until module is fully functional.

 

Pin-out Definition

11.jpg

Table8-Pin Function Definitions

Pin

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

NC


3

6

NC


3

7

GND

Ground


8

ModSelL

Module Select


9

ResetL

Module Reset


10

Vcc Rx

+3.3V Power Supply Receiver

2

11

SCL

2-wire serial interface clock


12

SDA

2-wire serial interface data


13

GND

Ground


14

NC


3

15

NC


3

16

GND

Ground

1

17

Rx1p

Receiver Non-Inverted Data Output


18

Rx1n

Receiver Inverted Data Output

1

19

GND

Ground

1

20

GND

Ground


21

Rx2n

Receiver Inverted Data Output


22

Rx2p

Receiver Non-Inverted Data Output


23

GND

Ground


24

NC


3

25

NC


3

26

GND

Ground

1

27

ModPrsL

Module Present


28

IntL

Interrupt


29

VccTx

+3.3V Power supply transmitter

2

30

Vcc1

+3.3V Power supply

2

31

LPMode

Low Power Mode


32

GND

Ground

1

33

NC


3

34

NC


3

35

GND

Ground

1

36

Tx1p

Transmitter Non-Inverted Data Input


37

Tx1n

Transmitter Inverted Data Input


38

GND

Ground

1


Notes:

[1] GND is the symbol for signal and supply (power) common for the QSFP+ module. All are common within the QSFP+ module and all module voltages are referenced to this potential unless otherwise noted. Connect these directly to the host board signal-common ground plane.

[2] Vcc Rx, Vcc1 and VccTx are the receiver and transmitter power supplies and shall be applied concurrently. Recommended host board power supply filtering is shown in Figure 7. Vcc Rx Vcc1 and VccTx may be internally connected within the QSFP+ Module in any combination. The connector pins are each rated for a maximum current of 500 mA.

[3] NC is Not Connect.

Block Diagram of Transceiver

222.jpg

Recommended Interface Circuit

The host board should use the power supply filtering equivalent to that shown in Figure4. Any voltage drop across a filter network on the host is counted against the host DC set point accuracy specification. Inductors with DC resistance of less than 0.1 Ohm should be used in order to maintain the required voltage at the Host Edge Card Connector. It is recommended that the 22 uF capacitors each have an equivalent series resistance of 0.22 ohm.

333.jpg

Mechanical Dimensions

Unit is millimeter.

4447.jpg

Digital Diagnostic Memory Map

5557.jpg

Table9-EEPROM Serial ID Memory Contents (Upper page 00h)

Addr.

Field Size

Name of Field

Hex

Description

(Bytes)

128

1

Identifer

11

QSFP28

129

1

Ext. Identifier

CC

Serial ID module

130

1

Connector

07

LC Connector

131-138

8

Transceiver

80 00 00 00 00 00 00 00


139

1

Encoding

08

PAM4

140

1

Nominal Bit Rate

FF

See Byte 222

141

1

Rate Select

00

Not compliant

142

1

Link Length(Standard SM Fiber)

28

Transceiver transmit distance,40*km

143

1

Link Length(OM3)

00

Not compliant

144

1

Link Length(OM2)

00

Not compliant

145

1

Link Length(OM1)

00

Not compliant

146

1

Link Length(Cooper)

00

Not compliant

147

1

Device Tech

66

1311nm DFB No wavelength control; cooled transmitter device APD detector Transmitter not tuneable

148-163

16

Vendor name

48 47 20 47 45 4E 55 49

4E 45 20 20 20 20 20 20

“HG GENUINE” Vendor Name(ASCII)

164

1

Electronic or optical interfaces for InfiniBand

00

.

165-167

3

Vendor OUI

00 00 00


168-183

16

Vendor PN

4D 54 52 51 2D 31 4C 41 34 32 20 20 20 20 20 20

“MTRQ-1LA42”Part No.(ASCII)  

 

184-185

2

Vendor rev

41 30


186-187

2

Wavelength

66 6C

Transceiver wavelength,1311nm

188-189

2

Wavelength Tolerance

05 14

±6.5nm

190

1

Max Case Temp

46

Max Case Temp 70°C

191

1

Check Sum

63

Address 128-190 Checksum

192-195

4

Rate SelectTX DisableTX FaultLOSWarming indicators

00 08 00 98


196-211

16

Vendor SN

SN(Variable)

Serial Number of transceiver(ASCII).

212-219

8

Date code

DC(Variable)

Manufactory Date Code.

220

1

Diagnostic Monitoring Type

0C

Average Power

221

1

Enhanced Options

10


222

1

Extended bit rate

D5

Nominal bit rate per lane, units of 250 Mbps -

223

1

Check Sum

(Variable)

Address 192-222

224-255


Reserved

Read only

Filled by zero

 

 Table10-EEPROM DDM Alarm & Warning Threshold (Upper page 03h)

Addr.

Field Size

Name of Field

Hex

Description

(Bytes)

128-129

2

Temperature High Alarm

50 00

80℃

130-131

2

Temperature Low Alarm

F6 00

-10℃

132-133

2

Temperature High Warning

46 00

70℃

134-135

2

Temperature Low Warning

00 00

0℃

144-145

2

Vcc High Alarm

8D CC

3.63V

146-147

2

Vcc Low Alarm

74 04

2.97V

148-149

2

Vcc High Warning

87 5A

3.465V

150-151

2

Vcc Low Warning

7A 76

3.135V

176-177

2

RX Power High Alarm

27 10

0dBm

178-179

2

RX Power Low Alarm

00 9E

-18dBm

180-181

2

RX Power High Warning

13 88

-3dBm

182-183

2

RX Power Low Warning

01 3C

-15dBm

184-185

2

Bias High Alarm

 FF FF

131mA

186-187

2

Bias Low Alarm

09 C4

5mA

188-189

2

Bias High Warning

FD E8

130mA

190-191

2

Bias Low Warning

13 88

10mA

192-193

2

TX Power High Alarm

FF FF

8.16dBm

194-195

2

TX Power Low Alarm

1B A8

-1.5dBm

196-197

2

TX Power High Warning

F6 78

8.0dBm

198-199

2

TX Power Low Warning

37 2D

1.5dBm


Ordering Information

Table11- Ordering Information

Part No

Specification

Pack

Rate

Tx

Pout

Rx

S

Top

Reach

Others

MTRQ-1EA42

QSFP28

50G

DFB/EML

0.4~6.63 dBm

APD

<-15.1 dBm

0~70℃

40KM

DDM/RoHS

 



Contact Information

Wuhan Huagong Genuine Optics Technology Co., Ltd

Address: Science & Technology Region of HUST, Donghu High-Tech Zone

Wuhan, Hubei Province, 430223, China

  • Tel: +86-27-87180102  

  • Fax: +86-27-87180220   

    Email: market@wereadnepal.com

    Website: http://wereadnepal.com

     

    Statement

    HG Genuine possesses the authority for ultimate explanation of all information contained in this document, which is subject to change without prior notice. All the information was obtained in specific environments; and HG Genuine will not be responsible for verifying the products performance in customers’ operating environments, neither liable for the performance of users' products. All information contained is only for the users' reference and shall not be considered as warranted characteristics. HG Genuine will not be liable for damages arising directly or indirectly from any use of the information contained in this document.

    Publishing Date: 18 Feb,2019

     

    Copyright Ó HG Genuine

    All Right Reserved